3020-00-476-5125 GEAR,BEVEL Index 5330-00-476-5127 SEAL,PLAIN

National Stock Number:
5315-00-476-5126

Federal Supply Class:
5315

National Item Identification Number:
004765126

Description:
PIN,SHOULDER,HEADED

Detail:
A CYLINDRICALLY-SHAPED HEADED ITEM, HAVING A SOLID SHANK IN STEPS OF TWO OR MORE DIFFERENT DIAMETERS UNDER AND IN ADDITION TO THE HEAD. EXCLUDES PIN, ECCENTRIC.


Manufacturer Information:
833533619200US ARMY ARDEC RDECOM
833533619207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
FEATURES PROVIDEDCASEHARDENED
FIRST END STYLECHAMFERED
FIRST END TAPER ANGLE45.0 DEGREES NOMINAL
FIRST END TAPER LENGTH0.031 INCHES NOMINAL
FIRST STEP LENGTH0.985 INCHES MINIMUM AND 1.015 INCHES MAXIMUM
FIRST STEP DIAMETER0.428 INCHES MINIMUM AND 0.432 INCHES MAXIMUM
HARDNESS RATING88.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 91.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL
HEAD LENGTH0.985 INCHES MINIMUM AND 1.015 INCHES MAXIMUM
HEAD STYLETEE NO. 3
HEIGHT0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-631 1015 TO 1025 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-634 1015 TO 1025 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-637,B1112,B1113,1213 OR 1215 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
SECOND STEP LENGTH0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM
SECOND STEP DIAMETER0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM
STYLE DESIGNATORSHOULDER
WIDTH ACROSS FLATS0.516 INCHES MINIMUM AND 0.546 INCHES MAXIMUM
SURFACE FINISH125.0 MICROINCHES HEAD BEARING SURFACE
SURFACE FINISH125.0 MICROINCHES SHANK END
SURFACE FINISH63.0 MICROINCHES HEAD TOP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-P-16232,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPHOSPHATE MANGANESE OVERALL
UNDER HEAD LENGTH1.297 INCHES MINIMUM AND 1.327 INCHES MAXIMUM


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