NSN 5310-00-256-3643

Part Details | HEXAGON SELF-LOCKING NUT

5310-00-256-3643 A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes NUT (1), SELF-LOCKING, CAP.

Alternate Parts: 02787600, 29NE048, 29NE048, 5310-00-256-3643, 00-256-3643, 5310002563643, 002563643

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 15, 197100-256-364305277 ( NUT, SELF-LOCKING, HEXAGON )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5310-00-256-3643
Part Number Cage Code Manufacturer
0278760088853BCP CONSTRUCTION PRODUCTSDIV OF TEREX CORP
29NE048019L2FITZ AEROSPACE, LLCDBA ESNA
29NE04872962HARVARD INDUSTRIES INC
Technical Data | NSN 5310-00-256-3643
Characteristic Specifications
THREAD DIRECTION RIGHT-HAND
NUT STYLE HEXAGON
LOCKING FEATURE PREVAILING TORQUE WITH NONMETALLIC INSERT
BEARING SURFACE TYPE CHAMFERED
THREAD SERIES UNF
NOMINAL THREAD SIZE0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3B
NUT HEIGHT0.313 INCHES NOMINAL
WIDTH ACROSS FLATS0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
TEMP RATING250.0 DEG FAHRENHEIT NOMINAL