Upper receiver assembly, rifle assembly, 410 ss washer w nitride
No other part numbers with same form, fit, and function found.
A flat metal or plastic item of various peripheral shapes having a solid (not laminated) cross-section. It is designed to maintain a predetermined distance between two surfaces. For round items without a hole having a solid rectangular cross-section use disk, solid, plain. For round or hexagonal items with only one hole centrally located and with the length (thickness) exceeding 25 percent of the outside diameter or distance across peripheral flats, see spacer, sleeve. The thickness between the two parallel bearing surfaces must be 0.006 inch, (0.152 mm) or more for items less than 1/4 inch (6.35 mm) across the peripheral diameter, or smallest overall outside dimension, or must be 0.016 inch (0.406 mm) or more for items 1/4 inch (6.35 mm) or greater across the peripheral diameter or smallest overall outside dimension. For items with a thickness less than those indicated above, see shim. For items with one hole centrally located conforming to the above dimensional criteria use washer, flat or spacer, ring as applicable. When thickness and/or outside diameter or smallest overall outside dimension is designated as a tolerance/dimension the maximum dimension will be used to determine compliance. Excludes gasket; insulator (as modified) and mounting pad, electrical-electronic component.
NSN 6650-01-523-3600
NSN 5998-00-724-2066
NSN 6145-00-075-4620
NSN 5975-01-185-6994
NSN 6130-00-337-4695
NSN 5915-00-905-9257
NSN 5998-00-128-1940
NSN 7035-01-089-4485
NSN 5920-01-539-9950
NSN 5910-01-231-5706
NSN 5895-00-676-5731
NSN 4140-01-467-9616