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Part Number

Part Number:
NSN:
NIIN:
Item Name:
NUT , SELF-LOCKING , CASTELLATED , HEX

Definition:

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.

CAGE Information

Code Company
22599 AMERACE CORP ESNA DIV

Federal Supply Class

Title

NUTS AND WASHERS

Inclusions:

INCLUDES LOCKNUTS; EYE NUTS; PLAIN NUTS; CASTELLATED NUTS; WING NUTS; PLATE NUTS; PUSH ON NUTS; CONCAVE AND CONVEX WASHERS; FLAT WASHERS; KEYED WASHERS; LOCK WASHERS; SHOULDERED WASHERS; SPLIT WASHERS.

Exclusions:

EXCLUDES BEARING THRUST WASHERS (FSC 3120); SHIMS (FSC 5365); RING SPACERS (FSC 5365); PLATE SPACERS (FSC 5365); LOCK RINGS (FSC 5365).

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
TEST TEST DATA DOCUMENT 81349-MIL-I-6868 SPECIFICATION
ASDB WIDTH ACROSS FLATS 0.743 INCHES MINIMUM AND 0.755 INCHES MAXIMUM
MDCL MATERIAL DOCUMENT AND CLASSIFICATION AMS6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CMLP THREAD QUANTITY PER INCH 18
AAJF THREAD DIRECTION RIGHT-HAND
ADEA NUT HEIGHT 0.703 INCHES MINIMUM AND 0.735 INCHES MAXIMUM
CQFM HARDNESS RATING 38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
AZKQ TEMP RATING NOT RATED
CRSQ COUNTERSINK ANGLE 44.0 DEGREES MINIMUM OVERALL AND 46.0 DEGREES MAXIMUM OVERALL
MATT MATERIAL STEEL OVERALL
ACTA NUT STYLE CASTELLATED, HEXAGON
CQJX NOMINAL THREAD SIZE 0.625 INCHES
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
AAJD THREAD CLASS 2B
BZRR THREAD SERIES UNJF
CRTM BEARING SURFACE TYPE FLAT
SFTT SURFACE TREATMENT CADMIUM OVERALL
AAUM LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN

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