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National Stock Number:
5305-01-324-8860
Federal Supply Class:
5305
National Item Identification Number:
013248860
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:
| 0.750-10UNC-3A2.250 LG | 05047 | THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS | | 0.750-10UNC-3AX2.250IN. NICU | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED | | 845-4558721 ITEM 10 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | FF-S-86 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | FF-S-86 TYPE IV | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.750 INCHES | | THREAD QUANTITY PER INCH | 10 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 2.050 INCHES NOMINAL | | FASTENER LENGTH | 2.250 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY R-405 OR | | NICKEL ALLOY 400 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC ALL MATERIAL RESPONSES OVERALL | | HEAD STYLE | FLAT COUNTERSUNK | | HEAD DIAMETER | 1.251 INCHES MINIMUM AND | | 1.375 INCHES MAXIMUM | | COUNTERSINK ANGLE | 82.0 DEGREES NOMINAL | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.625 INCHES NOMINAL | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81348 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FF-S-86 TYPE IV |
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