Fleet ballistic missile quality, as identified by quality control no. Poso911190
A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery. An integral feature is incorporated for locking on the threads of a mating member.
Classification: Nuts of iron or steel
NSN 6220-00-823-6688
NSN 5990-01-318-3238
NSN 6610-01-628-6044
NSN 6650-00-052-3202
NSN 6130-00-956-1585
NSN 6645-01-196-8616
NSN 6105-01-043-6768
NSN 5950-01-055-6966
NSN 5855-01-540-4379
NSN 5930-01-324-6995
NSN 6240-01-347-5476
NSN 2925-00-526-4541