5305-01-252-5290 SETSCREW Index 5305-01-252-5292 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-252-5291

Federal Supply Class:
5305

National Item Identification Number:
012525291

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:
1/4-20UNC-2AX3/ 4"LG TYII GR316D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
1/4-20UNC-2AX3/ 4"LG TYII GR316D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
125-4056F724TACOMA SCREW PRODUCTS, INC.
FF-S-86 TY 681348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
1/4-20UNC-2AX3/4IN,LGTY2GR31681348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
1/4-20UNC-2AX3/ 4'LG TYII GR316D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
MIL-S-122281348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
MIL-S-122281349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-DTL-122281349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH0.750 INCHES NOMINAL
MATERIALSTEEL COMP 316 OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING80.0 ROCKWELL B MINIMUM OVERALL
MINIMUM TENSILE STRENGTH70000 POUNDS PER SQUARE INCH
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEFF-S-86 TY 6


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