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National Stock Number:
5305-01-605-0256
Federal Supply Class:
5305
National Item Identification Number:
016050256
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:
| R0138964 | 56161 | GENERAL DYNAMICS LAND SYSTEMS - CANADA CORPORATION | | R0138964 | SZ177 | DENEL VEHICLE SYSTEMS | | R0138964-0301 | SZ177 | DENEL VEHICLE SYSTEMS |
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Techincal Specification:
| FASTENER LENGTH | 2.160 INCHES NOMINAL | | HEAD HEIGHT | 0.160 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | INTERNAL DRIVE STYLE | RECESSED TYPE I | | MATERIAL | STEEL OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SOCKET HEAD CAP SCREW 1/4-20 GRADE 8.8 ZINC PLATED | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | NONSTANDARD THREAD PITCH DIAMETER | -0.20 TO 0.25 INCHES | | SPECIAL FEATURES | DRIVE STYLE IS ACTUALLY JUST A CIRCLE WITH NO WINGS | | WIDTH BETWEEN FLATS | 0.440 INCHES NOMINAL | | SURFACE TREATMENT | ZINC OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.510 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNC |
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