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National Stock Number:
5305-01-359-7068
Federal Supply Class:
5305
National Item Identification Number:
013597068
Description:
SCREW,MACHINE
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.
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Manufacturer Information:
| 0447C0180-1 | 03538 | LOCKHEED MARTIN CORPORATION | | 0447C0180-1 | 54497 | MARTIN MARIETTA TECHNOLOGIES INC SUB OF MARTIN MARIETTA CORP AERO AND NAVAL SYSTEMS |
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Techincal Specification:
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | FASTENER LENGTH | 1.250 INCHES NOMINAL | | HEAD DIAMETER | 0.722 INCHES MINIMUM AND 0.762 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | LOCKING FEATURE MATERIAL | PLASTIC POLYAMIDE (NYLON) | | LOCKING FEATURE | PELLET | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | SCREW MATERIAL | NICKEL ALLOY 400 OR NICKEL ALLOY R-405 | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-781 FED SPEC ALL MATERIAL RESPONSES | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2A | | THREAD LENGTH | 1.002 INCHES MINIMUM AND 1.085 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 24 |
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