5306-01-284-2476 BOLT,MACHINE Index 5305-01-284-2478 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-284-2477

Federal Supply Class:
5305

National Item Identification Number:
012842477

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:
115387-24693-C9594271LOCKHEED MARTIN CORP
LL-HX5-783314153DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA


Techincal Specification:
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.384 INCHES MINIMUM AND
0.515 INCHES MAXIMUM
FASTENER LENGTH0.594 INCHES MINIMUM AND
0.625 INCHES MAXIMUM
MATERIALPLASTIC POLYAMIDE LOCKING FEATURE
STEEL COMP 301 OR
STEEL COMP 302 OR
STEEL COMP 302B OR
STEEL COMP 303 OR
STEEL COMP 303SE OR
STEEL COMP 304 OR
STEEL COMP 304L OR
STEEL COMP 305 OR
STEEL COMP 308 OR
STEEL COMP 309 OR
STEEL COMP 309S OR
STEEL COMP 310 OR
STEEL COMP 310S OR
STEEL COMP 314 OR
STEEL COMP 316 OR
STEEL COMP 316L OR
STEEL COMP 317 OR
STEEL COMP 321 OR
STEEL COMP 347 OR
STEEL COMP 348 OR
STEEL COMP 384 OR
STEEL COMP 385 FASTENER
HEAD STYLEFLAT COUNTERSUNK
HEAD DIAMETER0.442 INCHES MINIMUM AND
0.507 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND
101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
LOCKING FEATUREPATCH OR
PELLET OR
STRIP THREADS
TEST DATA DOCUMENT81349-MIL-P-23199 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
SPECIAL TEST FEATURESSPECIAL QUALITY CONTROL TESTING
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS
CRITICALITY CODE JUSTIFICATIONZZZY
THE MANUFACTURERS DATA
MANUFACTURERS CODE94271
DESIGN CONTROL REFERENCE115387-24693-C95


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