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Part Number

Part Number:
NSN:
NIIN:
Item Name:
RING , LOCK , KEYED

Definition:

A LOCKING DEVICE WITH TWO KEYS SPACED APPROXIMATELY 180 DEGREES CENTER TO CENTER AND PROTRUDING FROM THE SEATING SURFACE OF THE RING. WHEN INSTALLED THE KEYS MATE WITH COMPANION KEYWAYS IN THE EXTERNAL THREADS OF SCREW THREAD INSERTS, LOCKED-IN STUDS, OR SIMILAR TYPE ITEMS, AND CUT THROUGH SUFFICIENT THREADS OF THE PARENT MATERIAL TAPPED HOLE TO PROVIDE A POSITIVE LOCK BETWEEN THE THREADED BODIES.

CAGE Information

Code Company
01556 EMHART TEKNOLOGIES LLC DBA EMHART FA

Federal Supply Class

Title

BUSHINGS, RINGS, SHIMS, AND SPAC

Inclusions:

INCLUDES EXTERNALLY THREADED RINGS; KEYED AND SERRATED LOCK RINGS; DEE RINGS; INSTRUMENT RETAINING RINGS; SHIM SETS AND ASSORTMENTS; PLATE SPACERS; RING SPACERS; SLEEVE SPACERS; STEPPED SPACERS; SPACER SETS AND ASSORTMENTS; SLEEVE BUSHINGS; MACHINE THREADED BUSHINGS; MACHINE THREADED PLUGS.

Exclusions:

EXCLUDES SLEEVE BEARINGS (FSC 3120); PIPE THREADED PLUGS (FSC 4730); PISTON RINGS (FSC 2520, 2805, 2810, 2815, 2825, 2990, 3040, 4310, AND 4820); RETAINING RINGS (FSC 5325); SHIM STOCK (FSC 9515).

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
ADGA OVERALL OUTSIDE DIAMETER 0.312 INCHES NOMINAL
ADGA OVERALL OUTSIDE DIAMETER 0.312 INCHES NOMINAL
ABSF KEY WIDTH 0.060 INCHES NOMINAL
ABKW OVERALL HEIGHT 0.035 INCHES NOMINAL
SURF SURFACE TREATMENT CADMIUM, AMS 2400 OR CADMIUM, QQ-P-416, TYPE 1, CLASS 2
AAST KEY LENGTH 0.206 INCHES NOMINAL
AARX INSIDE DIAMETER 0.250 INCHES NOMINAL
MATL MATERIAL STEEL, AMS 5610

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