4460-01-476-2143 FILTER,AIR,ELECTROSTATIC Index 5306-01-476-2145 BOLT,SHOULDER

National Stock Number:
5305-01-476-2144

Federal Supply Class:
5305

National Item Identification Number:
014762144

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:
1308494804939LOCKHEED MARTIN CORPORATION
13084948-50604939LOCKHEED MARTIN CORPORATION


Techincal Specification:
THREAD SERIES DESIGNATORUNRC
NOMINAL THREAD DIAMETER0.112 INCHES
THREAD QUANTITY PER INCH40
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.250 INCHES NOMINAL
FASTENER LENGTH0.250 INCHES NOMINAL
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-765 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLEBUTTON
HEAD DIAMETER0.201 INCHES MINIMUM AND
0.213 INCHES MAXIMUM
HEAD HEIGHT0.051 INCHES MINIMUM AND
0.059 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.625 INCHES NOMINAL


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