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National Stock Number:
5305-01-276-3330
Federal Supply Class:
5305
National Item Identification Number:
012763330
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:
| 3176207-C-416 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 1.000 INCHES | | THREAD QUANTITY PER INCH | 8 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 3.250 INCHES MINIMUM AND | | 3.500 INCHES MAXIMUM | | FASTENER LENGTH | 3.500 INCHES NOMINAL | | MATERIAL | STEEL FASTENER | | SURFACE TREATMENT | ZINC FASTENER | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE FASTENER | | HARDNESS RATING | 74.0 ROCKWELL B MINIMUM FASTENER | | MINIMUM TENSILE STRENGTH | 70000 POUNDS PER SQUARE INCH | | MINIMUM YIELD STRENGTH | 26000 POUNDS PER SQUARE INCH | | HEAD STYLE | FLAT CHAMFER | | HEAD DIAMETER | 1.479 INCHES MINIMUM AND | | 1.500 INCHES MAXIMUM | | HEAD HEIGHT | 0.988 INCHES MINIMUM AND | | 1.000 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.750 INCHES NOMINAL | | LOCKING FEATURE | PATCH THREADS |
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