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National Stock Number:
5310-01-355-0218
Federal Supply Class:
5310
National Item Identification Number:
013550218
Description:
NUT,SELF-LOCKING,EXTENDED WASHER
Detail:
A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.
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Manufacturer Information:
| DAA3139P002-103 | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| THREAD SERIES | UNJF | | NOMINAL THREAD SIZE | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | IRON ALLOY 660 NUT | | IRON ALLOY 660 WASHER | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE NUT | | AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE WASHER | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | NUT STYLE | DOUBLE HEXAGON | | WASHER OUTSIDE DIAMETER | 0.560 INCHES MAXIMUM | | OVERALL HEIGHT | 0.312 INCHES MINIMUM AND | | 0.332 INCHES MAXIMUM | | WASHER THICKNESS | 0.072 INCHES MINIMUM AND | | 0.087 INCHES MAXIMUM | | WIDTH ACROSS FLATS | 0.367 INCHES MINIMUM AND | | 0.376 INCHES MAXIMUM | | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN | | COUNTERBORE DIAMETER | 0.342 INCHES MINIMUM AND | | 0.352 INCHES MAXIMUM NUT | | LUBRICATION | DRY FILM LUBRICANT |
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