China Special Fasteners offers a wide variety of Mil-Spec fasteners, including MS, NAS, AN and NASM. Below is a small portion of the most popular Mil-Spec parts available. Click here to buy Mil-Spec fasteners online.

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Machine Screws – Course Thread
MS 51957 
NAS 1635 
MS 24671
MS 24693
MS 24693C 
MS51959 
NAS 662C
AN 526C
MS 35190
MS 35206
MS 35265
MS 35275 
AN 500AD

Machine Screws – Fine Thread
MS 51958 
NAS 1635 
MS 24693C 
MS 51960 
AN 526C
MS 35191
MS 35207
MS 35266
MS 35276 
AN 501AD

Hex Head Cap Screw
MS 35307 / NASM 35307 – Coarse Thread 
MS 35308 / NASM 35308 – Fine Thread 
ASME B18.2.1BH
MS90725
MS90726

Socket Cap Screws
MS 16995 – Coarse Thread 
MS 16996 – Fine Thread
MS 16997 – Coarse Thread
NAS 1352C – Coarse Thread 
NAS 1351C – Fine Thread 

Drive Screws
MS 21318

Self-Tapping Screws
MS51861

Pins
MS 16555 
MS 16562
MS 9245

Finished Hex Nuts
MS 51967
MS 51971 – Coarse Thread
MS 51972 – Fine Thread

Machine Screw Nuts
MS 35649 – Coarse Thread 
NAS 671 – Small Pattern
MS 35650 – Fine Thread 

Nylon Insert Locknuts
MS 17830 / NASM 17830

Lockwashers
MS 35338 / NASM 35338 

Tooth Lockwashers
MS 35333 / NASM 35333 – Internal Tooth 
MS 35335 / NASM 35335 – External Tooth 

Flat Washers
MS 15795 
MS 27183
MS 35333
MS 35335
MS 35338
MS 51848
NAS 620
NAS 620-C 
NAS 1149
NAS 1149C 
AN 960
AN 960C 
AN 970

Available from Parker Fasteners
NAS 1635
NAS 1351 
NAS 1352 
NAS 1802
MS 16998
MS 24668
MS 27039
MS 16995 
MS 16997 
MS 24667
MS 24671
MS 24672
MS 24673
MS 24674
MS 24675
MS 16998