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National Stock Number:
5305-01-070-8171
Federal Supply Class:
5305
National Item Identification Number:
010708171
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:
| 639AS872 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.086 INCHES | | THREAD QUANTITY PER INCH | 56 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.250 INCHES NOMINAL | | FASTENER LENGTH | 0.375 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OR | | NICKEL ALLOY OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,COMP 302 OR 303 OR304 OR 305 OR 316 FED SPEC SINGLE MATERIAL RESPONSE OR | | 66,302 OR 303 OR304 OR 305 OR 316 OR 16-18 OR 18-8 FED STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 80.0 ROCKWELL B NOMINAL OVERALL | | MINIMUM YIELD STRENGTH | 30000 POUNDS PER SQUARE INCH | | HEAD STYLE | PAN NO. 2 | | HEAD DIAMETER | 0.134 INCHES MINIMUM AND | | 0.140 INCHES MAXIMUM | | HEAD HEIGHT | 0.083 INCHES MINIMUM AND | | 0.086 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.078 INCHES MINIMUM AND | | 0.079 INCHES MAXIMUM | | LOCKING FEATURE | PELLET THREADS |
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