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National Stock Number:
5305-01-474-1046
Federal Supply Class:
5305
National Item Identification Number:
014741046
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:
| 9157789-19 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
| FASTENER LENGTH | 0.729 INCHES MINIMUM AND 0.750 INCHES MAXIMUM | | HEAD DIAMETER | 0.180 INCHES MINIMUM AND 0.193 INCHES MAXIMUM | | HEAD HEIGHT | 0.051 INCHES MINIMUM AND 0.060 INCHES MAXIMUM | | HEAD STYLE | PAN NO. 2 | | INTERNAL DRIVE STYLE | SLOT | | NOMINAL THREAD DIAMETER | 0.099 INCHES | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763, COND A OR B FED SPEC SINGLE MATERIAL RESPONSE | | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-171, 5.4.1 MIL STD SINGLE TREATMENT RESPONSE | | SCREW MATERIAL | STEEL COMP 302 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 316 OR STEEL COMP 303 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 316L | | SCREW SURFACE TREATMENT | PASSIVATE | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2A | | THREAD LENGTH | 0.750 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 56 | | THREAD SERIES DESIGNATOR | UNF |
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