NSN - National Stock Number
A National Stock Number, or NATO Stock Number (NSN) as it is known in the US, is a 13-digit numeric code, identifying all the 'standardized material items of supply' as they have been recognized by all NATO countries including United States Department of Defense. Pursuant to the NATO Standardization Agreements, the NSN has come to be used in all treaty countries.
Texas Gunworks - NSN Tool List
Description NSN
Bore Gage Assembly
1010-01-138-4862
Headspace Gage
5220-01-141-3830
Breechbore Gage
5210-01-259-3454
Firing Pin Gage
5220-01-141-4732
Firing Pin Gage
5220-01-043-9450
Breechbore Gage
5210-01-082-1714
Headspace Gage
5220-01-043-8211
Headspace Gage
5220-01-043-8212
Muzzle and Breechbore Gage
5220-01-082-5564
Alignment Tool
4933-00-856-2561
Firing Pin Gage
5220-00-345-6122
Plug Plain Cylindrical Gage
5220-00-647-3693
Snap Fixed Gage
5220-00-647-3695
Breechbore Gage
5220-00-647-3697
Bolt Field Test
5220-00-647-3699
Profile Gage
5220-00-937-4536
Machine Breechbore Gage
5210-01-230-3349
Headspace Gage
5220-00-070-7814
Firing Pin Protrusion Gage
5220-00-070-7815
Straightness Gage
5220-00-221-9391
Barrel Erosion Gage
5220-00-912-3409
Barrel Erosion Gage
5220-01-014-8183
Plug Taper Cylindrical Gage
5220-01-043-9473
Plug Plain Cylindrical Gage
5220-01-075-5004
Firing Pin Protrusion Gage
5220-00-348-8434
Plug Plain Cylindrical Gage
5220-00-507-7200
Oil Buffer Rod Gage
5220-00-710-6326
Breechbore Machine Gun Gage
5210-00-317-2502
Firing Pin Protrusion Gage
5220-00-197-4421
Ring Plain Gage
5220-00-317-2503
Headspace Gage
5220-00-535-1217
Barrel Support Gage
5220-00-930-1845
Plug Plain Cylindrical Gage
5220-00-930-1859