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National Stock Number:
5305-01-040-8929
Federal Supply Class:
5305
National Item Identification Number:
010408929
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:
| 10288814 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 10288814 | 8A549 | PRECISION SPECIALTY CORP |
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Techincal Specification:
| FASTENER LENGTH | 0.685 INCHES MINIMUM AND 0.705 INCHES MAXIMUM | | HEAD DIAMETER | 0.270 INCHES NOMINAL | | HEAD HEIGHT | 0.097 INCHES NOMINAL | | HEAD STYLE | PAN | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | SCREW MATERIAL | STEEL CORROSION RESISTING | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,SERIES 300 FED SPEC SINGLE MATERIAL RESPONSE | | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE | | SCREW SURFACE TREATMENT | PASSIVATE | | THREAD LENGTH | 0.270 INCHES MINIMUM AND 0.290 INCHES MAXIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 32 |
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