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.
NAS5301H15 Machine Screw
5305-01-197-5301
0.138in.
0.937in.
32
3A UNJC
Flat Chamfer
0.937in.
NAS5301-8 Machine Screw
5305-01-197-5299
0.138in.
0.497in.
32
3A UNJC
Flat Chamfer
0.497in.
NAS5301-6 Machine Screw
5305-01-197-5298
0.138in.
0.377in.
32
3A UNJC
Flat Chamfer
0.377in.
NAS5301-42 Machine Screw
5305-01-197-5296
0.138in.
1.750in.
32
3A UNJC
Flat Chamfer
2.625in.
NAS1581F4R11 Close Tolerance Screw
5305-01-197-4650
0.25in.
0.378in.
28
3A UNJF
Flat Countersunk
1.076in.
MS51110-62 Cap Hexagon Head Screw
5305-01-197-4647
0.375in.
1.334in.
24
2A UNF
Hexagon
1.438in.
ST3M753-4-13 Shear Bolt
5306-01-197-4645
0.25in.
0.443in.
28
3A UNJF
Spline Extended Wash
1.265in.
12292661 Thumbscrew
5305-01-197-4644
0.19in.
0.300in.
24
2A UNC
Knurled No. 1
0.630in.
NAS662-3R10 Machine Screw
5305-01-197-4643
0.099in.
0.511in.
48
2A UNC
Flat Countersunk
0.595in.
MS24693-C17 Machine Screw
5305-01-197-4642
0.086in.
0.067in.
56
2A UNC
Flat Countersunk
0.140in.
NAS514P632-20 Machine Screw
5305-01-197-4641
0.138in.
1.069in.
32
3A UNC
Flat Countersunk
1.188in.
140920 Setscrew
5305-01-197-4447
0.19in.
--
32
3A UNF
Headless (setscrew)
0.375in.
3821309-101 Setscrew
5305-01-197-4446
0.438in.
--
20
3A UNJF
Hexagon
2.140in.
21C612 Machine Bolt
5306-01-197-4445
0.375in.
0.564in.
16
2A UNRC
Hexagon
0.720in.
FLA9-235-1 Externally Relieved Body Screw
5305-01-197-4365
0.112in.
0.160in.
40
2A UNC
Flat Countersunk
0.395in.
6233-SS-0440-6B Externally Relieved Body Screw
5305-01-197-4364
0.112in.
0.146in.
40
2A UNC
Fillister
0.423in.
19H2043 Machine Bolt
5306-01-197-4363
0.312in.
0.875in.
18
2A UNC
Hexagon
3.500in.
MS21130B414 Close Tolerance Screw
5305-01-197-4017
0.25in.
0.277in.
28
3A UNJF
Flat Countersunk
1.293in.
MS21130B415 Close Tolerance Screw
5305-01-197-4016
0.25in.
0.277in.
28
3A UNJF
Flat Countersunk
1.356in.
MS21130B416 Close Tolerance Screw
5305-01-197-4015
0.25in.
0.277in.
28
3A UNJF
Flat Countersunk
1.418in.
MS21130B417 Close Tolerance Screw
5305-01-197-4014
0.25in.
0.278in.
28
3A UNJF
Flat Countersunk
1.481in.
MS21130B419 Close Tolerance Screw
5305-01-197-4012
0.25in.
0.278in.
28
3A UNJF
Flat Countersunk
1.606in.
MS21130B421 Close Tolerance Screw
5305-01-197-4011
0.25in.
0.278in.
28
3A UNJF
Flat Countersunk
1.731in.
MS21130B423 Close Tolerance Screw
5305-01-197-4010
0.25in.
0.277in.
28
3A UNJF
Flat Countersunk
1.856in.
MS21130B424 Close Tolerance Screw
5305-01-197-4009
0.25in.
0.277in.
28
3A UNJF
Flat Countersunk
1.918in.
MS21125B433 Close Tolerance Screw
5305-01-197-4008
0.25in.
0.278in.
28
3A UNJF
Flat Chamfer
2.481in.
MS21125B430 Close Tolerance Screw
5305-01-197-4007
0.25in.
0.277in.
28
3A UNJF
Flat Chamfer
2.293in.
MS21125B514 Close Tolerance Screw
5305-01-197-4006
0.312in.
0.306in.
24
3A UNJF
Flat Chamfer
1.353in.
MS21125B518 Close Tolerance Screw
5305-01-197-4005
0.312in.
0.306in.
24
3A UNJF
Flat Chamfer
1.603in.
NASM21125B519 Close Tolerance Screw
5305-01-197-4004
0.312in.
0.306in.
24
3A UNJF
Flat Chamfer
1.665in.
MS21125B521 Close Tolerance Screw
5305-01-197-4003
0.312in.
0.306in.
24
3A UNJF
Flat Chamfer
1.790in.
MS21125B528 Close Tolerance Screw
5305-01-197-4002
0.312in.
0.306in.
24
3A UNJF
Flat Chamfer
2.228in.
MS21125B534 Close Tolerance Screw
5305-01-197-4001
0.312in.
0.306in.
24
3A UNJF
Flat Chamfer
2.603in.
MS21130B425 Close Tolerance Screw
5305-01-197-4000
0.25in.
0.278in.
28
3A UNJF
Flat Countersunk
1.981in.
NASM21125B412 Close Tolerance Screw
5305-01-197-3999
0.25in.
0.277in.
28
3A UNJF
Flat Chamfer
1.168in.
MS21125B410 Close Tolerance Screw
5305-01-197-3998
0.25in.
0.277in.
28
3A UNJF
Flat Chamfer
1.043in.
MS21125B408 Close Tolerance Screw
5305-01-197-3997
0.25in.
0.277in.
28
3A UNJF
Flat Chamfer
0.918in.
NASM21125B407 Close Tolerance Screw
5305-01-197-3996
0.25in.
0.277in.
28
3A UNJF
Flat Chamfer
0.856in.
MS21125B315 Close Tolerance Screw
5305-01-197-3995
0.19in.
0.262in.
32
3A UNJF
Flat Chamfer
1.310in.
MS21125B312 Close Tolerance Screw
5305-01-197-3994
0.19in.
0.262in.
32
3A UNJF
Flat Chamfer
1.122in.
MS21125-0311 Close Tolerance Screw
5305-01-197-3993
0.19in.
0.262in.
32
3A UNJF
Flat Chamfer
1.060in.
NASM21125B308 Close Tolerance Screw
5305-01-197-3992
0.19in.
0.262in.
32
3A UNJF
Flat Chamfer
0.872in.
NASM21125B427 Close Tolerance Screw
5305-01-197-3988
0.25in.
0.277in.
28
3A UNJF
Flat Chamfer
2.106in.
NASM21125B426 Close Tolerance Screw
5305-01-197-3987
0.25in.
0.277in.
28
3A UNJF
Flat Chamfer
2.043in.
NASM21125B429 Close Tolerance Screw
5305-01-197-3986
0.25in.
0.278in.
28
3A UNJF
Flat Chamfer
1.981in.
MS21125B420 Close Tolerance Screw
5305-01-197-3985
0.25in.
0.277in.
28
3A UNJF
Flat Chamfer
1.668in.
NASM21125B416 Close Tolerance Screw
5305-01-197-3983
0.25in.
0.277in.
28
3A UNJF
Flat Chamfer
1.418in.
MS21125-0414 Close Tolerance Screw
5305-01-197-3982
0.25in.
0.277in.
28
3A UNJF
Flat Chamfer
1.293in.
MS21125B429 Close Tolerance Screw
5305-01-197-3981
0.25in.
0.278in.
28
3A UNJF
Flat Chamfer
2.231in.
HT4075D4-8-20 Close Tolerance Screw
5305-01-197-3569
0.25in.
0.444in.
28
3A UNJF
Flat Countersunk
0.954in.
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