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National Stock Number:
5305-01-078-5070
Federal Supply Class:
5305
National Item Identification Number:
010785070
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.
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Manufacturer Information:
| 120387C | 80539 | SPS TECHNOLOGIES, LLC | | 642AS0748 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJC | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.449 INCHES MINIMUM AND | | 0.489 INCHES MAXIMUM | | FASTENER LENGTH | 0.636 INCHES MINIMUM AND | | 0.676 INCHES MAXIMUM | | MATERIAL | IRON ALLOY 660 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OR | | AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35,TY 1,TY 2,TY 3 OR TY 6 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | HEAD STYLE | FLAT COUNTERSUNK UNDERCUT | | HEAD DIAMETER | 0.4640 INCHES MINIMUM AND | | 0.5066 INCHES MAXIMUM | | HEAD HEIGHT | 0.070 INCHES MINIMUM AND | | 0.073 INCHES MAXIMUM | | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.1562 INCHES MINIMUM AND | | 0.1585 INCHES MAXIMUM | | LOCKING FEATURE | PELLET THREADS | | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD | | 32.0 MICROINCHES GRIP | | 32.0 MICROINCHES THREADS | | SPECIAL FEATURES | FURNISHED WITH ONE O RING |
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