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National Stock Number:
5305-01-168-3920
Federal Supply Class:
5305
National Item Identification Number:
011683920
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:
| 203-4678499 ITEM 23 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 87713-0304 ITEM 23 | 96169 | ELECTRIC BOAT CORPORATION | | FF-S-86 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.625 INCHES | | THREAD QUANTITY PER INCH | 11 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 2.130 INCHES MINIMUM AND | | 2.700 INCHES MAXIMUM | | FASTENER LENGTH | 5.880 INCHES MINIMUM AND | | 6.000 INCHES MAXIMUM | | MATERIAL | PLASTIC LOCKING FEATURE | | NICKEL ALLOY 400 FASTENER | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FASTENER | | MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH | | MINIMUM YIELD STRENGTH | 40000 POUNDS PER SQUARE INCH | | HEAD STYLE | FLAT COUNTERSUNK | | HEAD DIAMETER | 1.112 INCHES MINIMUM AND | | 1.188 INCHES MAXIMUM | | COUNTERSINK ANGLE | 82.0 DEGREES NOMINAL | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.375 INCHES NOMINAL | | LOCKING FEATURE | STRIP OR | | PELLET OR | | PATCH THREADS | | NONDEFINITIVE SPEC/STD DATA | 4 TYPE | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81348 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FF-S-86 |
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