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National Stock Number:
5310-01-388-8013
Federal Supply Class:
5310
National Item Identification Number:
013888013
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:
| ALL11973-4 | 019L2 | ESNA, LLC | | ALL11973-4 | 72962 | HARVARD INDUSTRIES INC | | ST1484-10 | 77445 | RTX CORPORATION | | ST1488-10 | 77445 | RTX CORPORATION |
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Techincal Specification:
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN | | OVERALL HEIGHT | 0.308 INCHES MINIMUM AND 0.328 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | IRON ALLOY 660 OVERALL | | NOMINAL THREAD SIZE | 0.250 INCHES | | NUT STYLE | DOUBLE HEXAGON | | PRECIOUS MATERIAL AND LOCATION | OVERALL SILVER | | PRECIOUS MATERIAL | SILVER | | WASHER OUTSIDE DIAMETER | 0.450 INCHES NOMINAL | | WIDTH ACROSS FLATS | 0.312 INCHES NOMINAL | | SURFACE TREATMENT | SILVER OVERALL | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
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