5310-00-118-6254 WASHER,RECESSED Index 3110-00-118-6257 BEARING,BALL,ANNULAR

National Stock Number:
5305-00-118-6255

Federal Supply Class:
5305

National Item Identification Number:
001186255

Description:
SCREW,CAP,SOCKET HEAD

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.


Manufacturer Information:
LK21096-302026304TORKON FASTENER CORP
MS21096-3-020D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
MS21096-302096906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.381 INCHES MINIMUM AND
0.447 INCHES MAXIMUM
FASTENER LENGTH1.641 INCHES MINIMUM AND
1.687 INCHES MAXIMUM
MATERIALSTEEL COMP 8630 OR
STEEL COMP 4037 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6050 MIL SPEC 1ST MATERIAL RESPONSE OR
AMS 6300 ASSN STD 2ND MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND
32.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLEPAN
HEAD DIAMETER0.357 INCHES MINIMUM AND
0.373 INCHES MAXIMUM
HEAD HEIGHT0.122 INCHES MINIMUM AND
0.133 INCHES MAXIMUM
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMS21096-3020


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