1270-01-219-7500 HELMET UNIT,INTEGRATED Index 1005-01-219-7502 TRACK ASSEMBLY,GUN

National Stock Number:
5315-01-219-7501

Federal Supply Class:
5315

National Item Identification Number:
012197501

Description:
PIN,GROOVED,HEADED

Detail:
A CYLINDRICALLY-SHAPED HEADED ITEM, HAVING CIRCULAR OR LONGITUDINAL GROOVE(S).


Manufacturer Information:
387-3247-502731MCDONNELL DOUGLAS HELICOPTER CO INC
387-3247-51YQE8ALLIANT TECHSYSTEMS OPERATIONS LLC
387-3247-534393PEREZ MACHINE, INC.
387-3247-56X224METRI-TECH ENGINEERING, INC.
387-3247-58KP69NORTHROP GRUMMAN SYSTEMS CORP


Techincal Specification:
DIAMETER15.98 MILLIMETERS NOMINAL
FEATURES PROVIDEDCASEHARDENED
FIRST END STYLESQUARE
HARDNESS RATING48.0 ROCKWELL C MINIMUM OVERALL AND 53.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-46850,TYPE III,GRADE 250 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
PROPRIETARY CHARACTERISTICSPACS
SPECIAL FEATURES2NITRIDE,IAW MIL-N-22601A,CASE HARDNESS IS ROCKWELL 15N 91.5 MIN.(663); CASE DEPTH IS 0.15-0.20 MM.; CORE HARDNESS IS ROCKWELL C48-53; DIMENSIONS APPLY AFTER NITRIDING; AGE HARDEN BY HEATING IN AIR AT 433.0 DEG. C. +/- FOR 4-5 HRS.,COOL IN AIR
STYLE DESIGNATORGROOVE
UNDERCUT DIAMETER13.26 MILLIMETERS NOMINAL
UNDER HEAD LENGTH37.85 MILLIMETERS NOMINAL


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