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National Stock Number:
5310-00-732-1392
Federal Supply Class:
5310
National Item Identification Number:
007321392
Description:
NUT,SELF-LOCKING,CASTELLATED,HEX
Detail:
A NUT HAVING 6 FLAT SIDES, FLAT ON THE BOTTOM AND HAVING A SLOTTED CYLINDRICAL OR DOME SHAPED UPPER PORTION. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER. THE SLOTS WHEN USED IN CONJUNCTION WITH A SOLID OR SPLIT (COTTER) PIN, ACT AS AN EXTRA "FAIL SAFE" FEATURE IN CRITICAL APPLICATIONS. EXCLUDES NUT (1), SELF-LOCKING, SLOTTED, HEXAGON.
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Manufacturer Information:
| F1C428-4 | 32320 | DUAL MACHINE CORPORATION | | F1C428-4 | 85639 | KLINCHER LOCKNUT CORP |
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Techincal Specification:
| THREAD SERIES | UNF | | NOMINAL THREAD SIZE | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | STEEL COMP 303 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | SILVER OVERALL | | NUT STYLE | CASTELLATED, HEXAGON | | NUT HEIGHT | 0.312 INCHES NOMINAL | | WIDTH ACROSS FLATS | 0.437 INCHES NOMINAL | | LOCKING FEATURE | FREE-RUNNING ALL METAL DESIGN | | TEMP RATING | 1200.0 DEG FAHRENHEIT NOMINAL | | PRECIOUS MATERIAL | SILVER | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 85639 | | DESIGN CONTROL REFERENCE | F1C428-4 |
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