Close Tolerance Screws. 71,948 part numbers in this category

Part Number
NSN
NIIN
3M1169C4-23A
3M1169C423A
5305-01-521-7431
015217431
Used on door,aircraft - f/a-18e,f. 3a thread class right-hand 0.425" thread length flat countersunk head style 1.437" grip length 28 thread quantity per inch passivate surface treated unjf thread series
3M1170C3-10A
3M1170C310A
5305-01-521-5788
015215788
3a thread class right-hand 0.340" thread length flat countersunk head style 0.740" grip length 18 thread quantity per inch bolt, 100 degree reduced head, gear drive recess 125 ksi shear strength passivate surface treated unjf thread series
3M1170C3-11A
3M1170C311A
5305-01-521-6367
015216367
3a thread class right-hand 0.340" thread length flat countersunk head style 0.678" grip length 32 thread quantity per inch bolt, 100 degree reduced head, gear drive recess 125 ksi shear strength passivate surface treated unjf thread series
3M1170C3-20A
3M1170C320A
5305-01-521-6403
015216403
3a thread class right-hand 0.340" thread length flat countersunk head style 1.240" grip length 32 thread quantity per inch bolt, 100 degree reduced head, gear drive recess 125 ksi shear strength passivate surface treated unjf thread series
3M1170C3-24A
3M1170C324A
5305-01-521-6777
015216777
3a thread class right-hand 0.340" thread length flat countersunk head style 1.490" grip length 32 thread quantity per inch bolt, 100 degree reduced head, gear drive recess 125 ksi shear strength passivate surface treated unjf thread series
3M1170C4-16A
3M1170C416A
5305-01-521-7006
015217006
3a thread class right-hand 0.420" thread length flat countersunk head style 0.990" grip length 28 thread quantity per inch bolt, 100 degree reduced head, gear drive recess 125 ksi shear strength passivate surface treated unjf thread series
BACB30NN3K10
BACB30NN3K10
5305-01-521-4848
015214848
Used on aircraft, b757. 3a thread class right-hand 0.345" thread length flat countersunk head style 0.625 " grip length 32 thread quantity per inch thread end to be identified w/black dye or paint aluminum surface treated unjf thread series
BACB30NN3K11
BACB30NN3K11
5305-01-521-4849
015214849
Used on aircraft, b757. 3a thread class right-hand 0.345" thread length flat countersunk head style 0.688" grip length 32 thread quantity per inch thread end to be identified w/black dye or paint aluminum surface treated unjf thread series
BACB30NN3K12
BACB30NN3K12
5305-01-521-4852
015214852
Used on aircraft, b757. 3a thread class right-hand 0.345" thread length flat countersunk head style 0.750" grip length 32 thread quantity per inch thread end to be identified w/black dye or paint aluminum surface treated unjf thread series
BACB30NN3K13
BACB30NN3K13
5305-01-521-4851
015214851
Used on aircraft, b757. 3a thread class right-hand 0.345" thread length flat countersunk head style 0.812" grip length 32 thread quantity per inch thread end to be identified w/black dye or paint aluminum surface treated unjf thread series
BACB30NN3K18
BACB30NN3K18
5305-01-521-4850
015214850
Used on aircraft, b757. 3a thread class right-hand 0.345" thread length flat countersunk head style 1.125" grip length 32 thread quantity per inch thread end to be identified w/black dye or paint aluminum surface treated unjf thread series
BACB30NN3R6
BACB30NN3R6
5305-01-521-4398
015214398
Used on aircraft, b757. 3a thread class right-hand 0.345" thread length flat countersunk head style 0.375" grip length 32 thread quantity per inch phosphate surface treated unjf thread series
BACB30NN4K10
BACB30NN4K10
5305-01-521-4846
015214846
Used on aircraft, b757. 3a thread class right-hand 0.425" thread length flat countersunk head style 0.625" grip length 28 thread quantity per inch thread end to be identified w/black dye or paint aluminum surface treated unjf thread series
BACB30NN4K20
BACB30NN4K20
5305-01-521-4847
015214847
Used on aircraft, b757. 3a thread class right-hand 0.425" thread length flat countersunk head style 1.250" grip length 28 thread quantity per inch thread end to be identified w/black dye or paint aluminum surface treated unjf thread series
BACB30NN4K36
BACB30NN4K36
5305-01-521-4843
015214843
Used on aircraft, b757. 3a thread class right-hand 0.425" thread length flat countersunk head style 2.250" grip length 28 thread quantity per inch thread end to be identified w/black dye or paint aluminum surface treated unjf thread series
BACB30NN4K38
BACB30NN4K38
5305-01-521-4845
015214845
Used on aircraft, b757. 3a thread class right-hand 0.425" thread length flat countersunk head style 2.375" grip length 28 thread quantity per inch thread end to be identified w/black dye or paint aluminum surface treated unjf thread series
BACB30NN4K39
BACB30NN4K39
5305-01-521-4844
015214844
Used on aircraft, b757. 3a thread class right-hand 0.425" thread length flat countersunk head style 2.438" grip length 28 thread quantity per inch thread end to be identified w/black dye or paint aluminum surface treated unjf thread series
BACB30NN5K21
BACB30NN5K21
5305-01-521-3270
015213270
BACB30NN5K28
BACB30NN5K28
5305-01-521-3269
015213269
BACB30NN5K7
BACB30NN5K7
5305-01-521-3274
015213274
BACB30NT3K15
BACB30NT3K15
5305-01-521-3259
015213259
BACB30NT3K17
BACB30NT3K17
5305-01-521-3260
015213260
BACB30NT3K21
BACB30NT3K21
5305-01-521-3261
015213261
BACB30NT3K30
BACB30NT3K30
5305-01-521-3262
015213262
BACB30NT3K6
BACB30NT3K6
5305-01-521-3263
015213263
BACB30NT3K7
BACB30NT3K7
5305-01-521-3264
015213264
BACB30NT3K8
BACB30NT3K8
5305-01-521-3266
015213266
BACB30NT3K9
BACB30NT3K9
5305-01-521-3265
015213265
BACB30NT4K8
BACB30NT4K8
5305-01-521-3268
015213268
BACB30NU3K5
BACB30NU3K5
5305-01-521-3267
015213267
BACS12HW
BACS12HW
5305-01-521-5141
015215141
Used on mv-22 aircraft. screw, close toleran
BACS12HW3AU8
BACS12HW3AU8
5305-01-521-5145
015215145
Used on mv-22 aircraft. 3a thread class right-hand 0.276" thread length flat chamfer head style 0.490" grip length 32 thread quantity per inch screw, pan head, close tolerance, short thread, six lobe per asme B46.1. "d" diameter underside of head, root of threads passivate surface treated unjf thread series
BACS12HW3AU9
BACS12HW3AU9
5305-01-521-5116
015215116
Used on mv-22 aircraft. 3a thread class right-hand 0.276" thread length flat chamfer head style 0.552" grip length 32 thread quantity per inch screw, pan head, close tolerance, short thread, six lobe underside of head, root of threads passivate surface treated unjf thread series
BACS12HW3T2
BACS12HW3T2
5305-01-521-5121
015215121
Used on mv-22 aircraft. screw, close toleran
BACS12HW4AU11
BACS12HW4AU11
5305-01-521-5129
015215129
Used on mv-22 aircraft. screw, toleran, close
BACS12HW4AU9
BACS12HW4AU9
5305-01-521-5142
015215142
Used on mv-22 aircraft. screw, close toleran
BACS12HW5AU14
BACS12HW5AU14
5305-01-521-5144
015215144
Used on mv-22 aircraft. 3a thread class right-hand 0.375" thread length flat chamfer head style 0.865" grip length 24 thread quantity per inch screw, pan head, close tolerance, short thread, six lobe per asme B46.1. "d" diameter underside of head, root of threads passivate surface treated unjf thread series
BACS12JB3A22
BACS12JB3A22
5305-01-521-5147
015215147
Used on emerg nsn - isil. 3a thread class right-hand 32 thread quantity per inch (navy) screw, close tolerance unjf thread series
BACS12JC3A11
BACS12JC3A11
5305-01-521-5150
015215150
Used on emerg-nsn isil. 3a thread class right-hand 0.363" thread length flat countersunk head style 0.315" grip length 32 thread quantity per inch (navy) screw, 100 degree six lobe reduced head, tension, close tolerance cadmium surface treated unjf thread series
CA21062-10-2-13
CA2106210213
5305-01-521-5381
015215381
Used on newman mh-60r. 3a thread class right-hand 0.650" thread length pan head style 0.062" grip length 32 thread quantity per inch navy special project two parallel keyways are cut into threads 180 degrees apart, length of keyways are 0.672". passivate surface treated unf thread series
CA21062-10-2-14
CA2106210214
5305-01-521-5370
015215370
Used on newman mh-60r. 3a thread class right-hand 0.713" thread length pan head style 0.062" grip length 32 thread quantity per inch navy special project two parallel keyways are cut into threads 180 degrees apart, length of keyways are 0.735" long. passivate surface treated unf thread series
NAS1580A5T10
NAS1580A5T10
5305-01-521-4655
015214655
3a thread class right-hand 0.476" thread length flat countersunk head style 0.615" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
NAS1790-8-11
NAS1790811
5305-01-521-5685
015215685
Used on b-52 acft. 3a thread class right-hand 0.735" thread length flat countersunk head style 0.677" grip length 20 thread quantity per inch close tolerance screw unjf thread series
NAS587-11
NAS58711
5305-01-521-7349
015217349
Used on 1b-52 acft. 3a thread class right-hand 0.656" thread length flat countersunk head style 0.678" grip length 20 thread quantity per inch close tolerance screw unjf thread series
NAS588-11
NAS58811
5305-01-521-7015
015217015
Used on 1b-52 acft. 3a thread class right-hand 0.766" thread length flat countersunk head style 0.678" grip length 20 thread quantity per inch close tolerance screw unjf thread series
NAS8603-23
NAS860323
5305-01-521-5077
015215077
3a thread class right-hand 0.323" thread length flat countersunk head style 1.438" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
ST3M557-3D3
ST3M5573D3
5305-01-521-8876
015218876
3a thread class right-hand 0.381" thread length fillister countersunk head style 0.178" grip length 32 thread quantity per inch passivate surface treated unjf thread series
ST3M557-3D4
ST3M5573D4
5305-01-521-5771
015215771
3a thread class right-hand 0.381" thread length fillister countersunk head style 0.240" grip length 32 thread quantity per inch navy special project item has drilled threads unjf thread series
ST3M557-5-16
ST3M557516
5305-01-521-8956
015218956
3a thread class right-hand 0.531" thread length flat countersunk head style 0.990" grip length 24 thread quantity per inch passivate surface treated unjf thread series
TX1024C3-5-5A
TX1024C355A
5305-01-521-9081
015219081
3a thread class right-hand 0.313" thread length flat countersunk head style 0.302" grip length 32 thread quantity per inch bolt, 100 degree reduced head, gear drive recess-special thread length inconcel 718 (125 ksi shear) passivate surface treated unjf thread series
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