NSN 5310-00-557-9397

Part Details | HEXAGON CASTELLATED SELF-LOCKING NUT

5310-00-557-9397 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.

Alternate Parts: 937A139P1, 22FT524, 22FT-524, 5310-00-557-9397, 00-557-9397, 5310005579397, 005579397

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 15, 196900-557-939729725 ( NUT, SELF-LOCKING, CASTELLATED, HEXAGON )
REFERENCE DRAWINGS & PICTURES

CASTELLATED, HEXAGON

Cross Reference | NSN 5310-00-557-9397
Part Number Cage Code Manufacturer
937A139P107482GENERAL ELECTRIC COMPANYDBA GE
22FT-52456878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
Technical Data | NSN 5310-00-557-9397
Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE0.3125 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
NUT STYLE CASTELLATED, HEXAGON
NUT HEIGHT0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM
WIDTH ACROSS FLATS0.493 INCHES MINIMUM AND 0.502 INCHES MAXIMUM
BEARING SURFACE TYPE CHAMFERED
LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN