Bolt & Screw Finder Find mil-std / mil-spec and aerospace standards fasteners

Thread Length
Thread Diameter
Fastener Length
Thread Qty (per in.)

Part Number
NSN
Thread Dia.
Thread Len.
Thread Qty.
Thread Class
Style
Fastener Len.
MS51973-55 Setscrew
5305-00-728-6282
0.25in.
0.765in.
20
3A UNC
Headless (setscrew)
0.735in.
MS51973-54 Setscrew
5305-00-728-6281
0.25in.
0.625in.
20
3A UNC
Headless (setscrew)
0.625in.
MS51973-53 Setscrew
5305-00-728-6280
0.25in.
0.500in.
20
3A UNC
Headless (setscrew)
0.500in.
4398602-A-103 Setscrew
5305-00-728-6276
0.25in.
0.365in.
20
3A UNC
Headless (setscrew)
0.365in.
MS51973-51 Setscrew
5305-00-728-6275
0.25in.
0.302in.
20
3A UNC
Headless (setscrew)
0.302in.
MS51973-50 Setscrew
5305-00-728-6274
0.25in.
0.250in.
20
3A UNC
Headless (setscrew)
0.250in.
MS51973-43 Setscrew
5305-00-728-6266
0.19in.
0.615in.
24
3A UNC
Headless (setscrew)
0.615in.
MS51973-42 Setscrew
5305-00-728-6265
0.19in.
0.500in.
24
3A UNC
Headless (setscrew)
0.500in.
MS51973-41 Setscrew
5305-00-728-6264
0.19in.
0.375in.
24
3A UNC
Headless (setscrew)
0.375in.
MS51973-40 Setscrew
5305-00-728-6261
0.19in.
0.312in.
24
3A UNC
Headless (setscrew)
0.312in.
MS51973-39 Setscrew
5305-00-728-6260
0.19in.
0.250in.
24
3A UNC
Headless (setscrew)
0.250in.
MS51973-33 Setscrew
5305-00-728-6259
0.164in.
0.615in.
32
3A UNC
Headless (setscrew)
0.615in.
MS51973-32 Setscrew
5305-00-728-6255
0.164in.
0.500in.
32
3A UNC
Headless (setscrew)
0.500in.
NAS148-29 Internal Wrenching Bolt
5306-00-728-6061
0.5in.
0.813in.
20
3A UNJF
Conical Bevel
1.798in.
MS51973-30 Setscrew
5305-00-728-5500
0.164in.
0.312in.
32
3A UNC
Headless (setscrew)
0.312in.
MS51973-22 Setscrew
5305-00-728-5497
0.138in.
0.500in.
32
3A UNC
Headless (setscrew)
0.500in.
MS51973-21 Setscrew
5305-00-728-5496
0.138in.
0.365in.
32
3A UNC
Headless (setscrew)
0.365in.
MS51973-20 Setscrew
5305-00-728-5494
0.138in.
0.312in.
32
3A UNC
Headless (setscrew)
0.312in.
MS51973-11 Setscrew
5305-00-728-5489
0.112in.
0.302in.
40
3A UNC
Headless (setscrew)
0.302in.
MS51973-2 Setscrew
5305-00-728-5487
0.086in.
0.188in.
56
3A UNC
Headless (setscrew)
0.188in.
MS90727-200 Cap Hexagon Head Screw
5305-00-728-5475
0.75in.
1.750in.
16
2A UNF
--
5.406in.
MS35304-193 Cap Hexagon Head Screw
5305-00-728-5474
0.75in.
1.750in.
16
2A UNF
Hexagon
3.406in.
6643028PC41 Machine Bolt
5306-00-728-5458
0.625in.
1.500in.
11
2A UNC
Hexagon
2.250in.
NAS3106-14-13 U Bolt
5306-00-728-3295
0.375in.
0.750in.
24
2A UNF
--
--
234-1022P2 Continuous Thread Rod
5306-00-728-3234
--
--
11
2A UNC
--
--
MS51960-29 Machine Screw
5305-00-728-2982
0.138in.
0.262in.
40
2A UNF
Flat Countersunk
0.281in.
589549-1 Shoulder Screw
5305-00-728-2809
0.19in.
0.460in.
32
3A UNF
Round W/wrench Flats
0.850in.
4T63004-103A Setscrew
5305-00-728-2782
0.312in.
0.625in.
24
3A UNF
Headless (setscrew)
0.625in.
4190823-18 Tee Head Bolt
5306-00-728-2231
0.313in.
--
5
3A UNF
Tee No. 5
--
543-6116-002 Externally Relieved Body Screw
5305-00-728-1680
0.25in.
0.344in.
20
2A UNC
Hexagon
1.031in.
AN173C21A Close Tolerance Bolt
5306-00-728-1532
0.19in.
0.275in.
32
3A UNF
Hexagon
2.141in.
MS51960-9 Machine Screw
5305-00-728-1498
0.086in.
0.281in.
64
2A UNF
Flat Countersunk
0.281in.
NAS720-4-7 Assembled Washer Screw
5305-00-728-1496
0.112in.
0.357in.
40
2A UNC
Pan
0.438in.
3068380-2 Cap Socket Head Screw
5305-00-728-1492
0.112in.
0.280in.
40
2A UNC
Binding
0.235in.
AS80-1A00L Cap Socket Head Screw
5305-00-728-1491
0.138in.
0.373in.
32
2A UNC
Flat Countersunk Und
0.328in.
MS9147-06 Machine Bolt
5306-00-728-1479
0.25in.
0.500in.
28
3A UNF
Double Hexagon W/hol
0.500in.
MS51023-32 Setscrew
5305-00-728-1478
0.138in.
0.500in.
40
3A UNF
Headless (setscrew)
0.500in.
NAS583-26 Close Tolerance Screw
5305-00-728-1429
0.19in.
0.381in.
32
3A UNJF
Flat Countersunk
2.016in.
NAS1218-04-7 Machine Screw
5305-00-728-1427
0.112in.
0.233in.
40
3A UNC
Pan
0.671in.
3M400-3-8-8 Shoulder Screw
5305-00-728-1420
0.19in.
0.406in.
32
3A UNF
Flat Chamfer
0.550in.
3M400-3-8-7 Shoulder Screw
5305-00-728-1419
0.19in.
0.406in.
32
3A UNF
Flat Chamfer
0.540in.
NAS3304C15-12 U Bolt
5306-00-728-1416
0.25in.
0.500in.
28
3A UNF
--
--
NAS1221-5-14P Machine Screw
5305-00-728-1413
0.312in.
0.475in.
24
3A UNJF
Flat Countersunk
1.330in.
NAS1221-3-11P Machine Screw
5305-00-728-1411
0.19in.
0.314in.
32
3A UNJF
Flat Countersunk
1.012in.
NAS1218-06-2 Machine Screw
5305-00-728-1410
0.138in.
0.277in.
32
3A UNC
Pan
0.402in.
NAS1218-06-8 Machine Screw
5305-00-728-1405
0.138in.
0.277in.
32
3A UNC
Pan
0.777in.
9135-9 Machine Screw
5305-00-728-1403
0.06in.
0.600in.
80
2A UNF
Pan
0.595in.
CA2881-1 Machine Screw
5305-00-728-1399
0.086in.
0.172in.
56
3A UNC
Watertight
0.172in.
NAS1303-16D Shear Bolt
5306-00-728-1383
0.19in.
0.313in.
32
3A UNJF
Dished Hexagon
1.323in.
3M69-6-12 Machine Screw
5305-00-728-1374
0.375in.
0.641in.
24
3A UNF
Flat Countersunk
1.391in.
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