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.
752-6406825-58 Cap Socket Head Screw
5305-01-421-2947
0.375in.
0.500in.
16
3A UNRC
Flat Fillister
2.000in.
1227B1356 Machine Screw
5305-01-421-2945
0.19in.
1.080in.
32
2A UNF
Pan
1.080in.
NAS1580C4R17D Close Tolerance Screw
5305-01-421-2929
0.25in.
0.403in.
28
3A UNJF
Flat Countersunk
1.450in.
NAS1580C4R13DP Close Tolerance Screw
5305-01-421-2928
0.25in.
0.403in.
28
3A UNJF
Flat Countersunk
1.200in.
NAS1580C5R19DP Close Tolerance Screw
5305-01-421-2927
0.312in.
0.501in.
24
3A UNJF
Flat Countersunk
1.674in.
NAS1580C4R32DP Close Tolerance Screw
5305-01-421-2926
0.25in.
0.403in.
28
3A UNJF
Flat Countersunk
2.388in.
6V1193 Cap Socket Head Screw
5305-01-421-2925
0.375in.
12.000in.
16
2A UNC
Button
0.591in.
NAS1189V4T18 Machine Screw
5305-01-421-2922
0.112in.
1.075in.
40
3A UNJC
Flat Countersunk
1.125in.
NAS1578C3R7P Close Tolerance Screw
5305-01-421-2921
0.19in.
0.363in.
32
3A UNJF
Pan No. 2
0.786in.
NAS1578C3R2P Close Tolerance Screw
5305-01-421-2920
0.19in.
0.363in.
32
3A UNJF
Pan No. 2
0.472in.
NAS1581F4T27 Close Tolerance Screw
5305-01-421-2540
0.25in.
0.403in.
28
3A UNJF
Flat Countersunk
2.091in.
2H3889 Setscrew
5305-01-421-2119
0.625in.
--
11
--
Square
2.480in.
120-9815 Setscrew
5305-01-421-2085
0.375in.
--
10
--
Square
1.024in.
NAS6208-26 Shear Bolt
5306-01-421-2052
0.5in.
0.528in.
20
3A UNJF
Dished Hexagon
2.138in.
9217-31 Setscrew
5305-01-421-2051
0.75in.
0.880in.
16
2A UNF
Headless (setscrew)
1.630in.
MBEU143495 Thumbscrew
5305-01-421-2049
0.138in.
0.330in.
32
2A UNC
Knurled No. 1
0.760in.
3353AS319-1 Internally Relieved Body Bolt
5306-01-421-2048
0.099in.
0.250in.
48
2A UN
Hexagon
0.250in.
MBEU143434 Thumbscrew
5305-01-421-2047
0.25in.
0.420in.
28
2A UNF
Knurled No. 1
0.500in.
EWB22-10-23 Shear Bolt
5306-01-421-2043
0.625in.
1.125in.
18
3A UNJF
Double Hexagon W/hol
2.547in.
0.31218UNC2A0.875T1G400SAA Cap Hexagon Head Screw
5305-01-421-2042
0.312in.
0.875in.
18
2A UNC
Hexagon
0.875in.
9217-122 Setscrew
5305-01-421-2041
0.625in.
0.281in.
18
2A UNF
Headless (setscrew)
0.406in.
801-6405539-FN- 42-4 Setscrew
5305-01-421-2039
0.625in.
--
18
3A UNF
Headless (setscrew)
0.438in.
6408779 FIND 33 Cap Socket Head Screw
5305-01-421-2038
0.375in.
1.940in.
16
3A UNRC
Flat Fillister
3.125in.
6408789 FIND 20 Cap Socket Head Screw
5305-01-421-2037
0.625in.
2.000in.
11
3A UNRC
Flat Fillister
5.000in.
752-6406825-52 Cap Socket Head Screw
5305-01-421-2034
0.25in.
1.000in.
20
3A UNRC
Flat Fillister
1.000in.
581-6726890-47 Cap Socket Head Screw
5305-01-421-2033
0.75in.
2.250in.
10
3A UNRC
Flat Fillister
2.250in.
801-6408779-35 Setscrew
5305-01-421-2031
0.625in.
0.500in.
11
3A UNC
Headless (setscrew)
0.500in.
868-8421 Cap Hexagon Head Screw
5305-01-421-2028
0.75in.
1.750in.
10
2A UNC
Hexagon
3.500in.
H467AH001 ITEM NO. 12 Cap Hexagon Head Screw
5305-01-421-2027
0.5in.
1.096in.
13
2A UNC
Hexagon
1.250in.
438-6404482-481 Machine Screw
5305-01-421-2026
0.25in.
0.400in.
20
2A UNC
Knurled No. 1
1.000in.
868-7518 Cap Hexagon Head Screw
5305-01-421-2015
0.5in.
1.250in.
13
2A UNC
Hexagon
1.500in.
H467AH001 ITEM NO. 10 Cap Hexagon Head Screw
5305-01-421-2012
0.625in.
1.500in.
11
2A UNC
Hexagon
1.750in.
NAS1191E02T7 Machine Screw
5305-01-421-2010
0.086in.
0.438in.
--
3A UNJC
Fillister
0.438in.
NAS1580C3R2P Close Tolerance Screw
5305-01-421-1983
0.19in.
0.363in.
32
3A UNJF
Flat Countersunk
0.472in.
NAS1581K4T18 Close Tolerance Screw
5305-01-421-1981
0.25in.
0.403in.
28
3A UNJF
Flat Countersunk
1.513in.
NAS1580C4R22DP Close Tolerance Screw
5305-01-421-1980
0.25in.
0.403in.
28
3A UNJF
Flat Countersunk
1.763in.
NAS428-4-76 Machine Bolt
5306-01-421-1978
0.25in.
7.804in.
28
3A UNJF
Crowned Hexagon
7.875in.
NAS1581K4T15 Close Tolerance Screw
5305-01-421-1976
0.25in.
0.403in.
28
3A UNJF
Flat Countersunk
1.326in.
112131-000 Cap Hexagon Head Screw
5305-01-421-1972
1in.
2.250in.
14
2A UNS
Hexagon
4.840in.
SC7-1 Setscrew
5305-01-421-1866
0.086in.
0.125in.
56
--
Headless (setscrew)
0.141in.
SC-289 Cap Socket Head Screw
5305-01-421-1864
0.25in.
--
28
--
Flat Countersunk
0.750in.
ASTM-C-1002TYPE W2.5LG Tapping Screw
5305-01-421-1858
--
--
--
--
Flat Countersunk
2.500in.
A1635-39 Machine Screw
5305-01-421-1545
0.164in.
0.499in.
32
3A UNC
090 Err
0.531in.
1411408000 Machine Screw
5305-01-421-1428
0.19in.
--
24
2A UNC
Flat Countersunk
0.500in.
1411984000 Machine Screw
5305-01-421-1421
0.25in.
--
20
2A UNC
Round
0.375in.
B1821AH063C425N Cap Hexagon Head Screw
5305-01-421-1420
0.625in.
1.500in.
11
2A UNC
Hexagon
4.250in.
NAS1352N6LL8 Cap Socket Head Screw
5305-01-421-0871
0.375in.
0.500in.
16
3A UNRC
Flat Chamfer
0.500in.
F100A050014 Machine Bolt
5306-01-421-0864
0.5in.
--
13
--
--
1.750in.
F301A050020 Machine Bolt
5306-01-421-0863
0.5in.
--
13
--
--
2.500in.
522C500-011 Cap Hexagon Head Screw
5305-01-421-0858
0.25in.
--
20
2A UNC
Hexagon
2.250in.
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