NSN 5310-00-800-6994

Part Details | DOUBLE HEXAGON EXTENDED WASHER SELF-LOCKING NUT

5310-00-800-6994 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.

Alternate Parts: 6749294428, 6749294-428, 6749294428, 6749294-428, SL3C428, SL3C-428, 6749294428, 6749294-428, E0104428, E0104-428, SL3C428, 5310-00-800-6994, 00-800-6994, 5310008006994, 008006994

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-800-699429729 ( NUT, SELF-LOCKING, EXTENDED WASHER, DOUBLE HEXAGON )
REFERENCE DRAWINGS & PICTURES

DOUBLE HEXAGON

Cross Reference | NSN 5310-00-800-6994
Part Number Cage Code Manufacturer
6749294-42873342ALLISON TRANSMISSION, INC.
6749294-42824617GENERAL MOTORS CORP
SL3C-42852828REPUBLIC FASTENER MFG. CORPDBA ARCONIC FASTENING SYSTEMS AND
6749294-42863005ROLLS-ROYCE CORPORATION
E0104-42856878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
SL3C42811815SPS TECHNOLOGIES, LLCDBA CHERRY AEROSPACE DIV
Technical Data | NSN 5310-00-800-6994
Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
HARDNESS RATINGRCB26.0 ROCKWELL C MAXIMUM AND 34.0 ROCKWELL C MAXIMUM
NUT STYLE DOUBLE HEXAGON
WASHER OUTSIDE DIAMETER0.438 INCHES MINIMUM AND 0.448 INCHES MAXIMUM
OVERALL HEIGHT0.294 INCHES MINIMUM AND 0.329 INCHES MAXIMUM
WASHER THICKNESS0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM
WIDTH ACROSS FLATS0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM
LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN
TEMP RATING800.0 DEG FAHRENHEIT NOMINAL
PRECIOUS MATERIAL SILVER
PRECIOUS MATERIAL AND LOCATIONOVERALL SILVER