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National Stock Number:
5305-00-325-2579
Federal Supply Class:
5305
National Item Identification Number:
003252579
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:
| 0407-20 | 07187 | HONEYWELL INTERNATIONAL INC. | | 0407-20 | 56232 | LOCKHEED MARTIN CORPORATION | | 0407-20 | 70318 | ALLMETAL SCREW PRODUCTS CORP | | FFS92 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY MATERIAL SPEC | | FASTENER LENGTH | 0.281 INCHES NOMINAL | | HEAD DIAMETER | 0.083 INCHES MINIMUM AND 0.096 INCHES MAXIMUM | | HEAD HEIGHT | 0.037 INCHES MINIMUM AND 0.045 INCHES MAXIMUM | | HEAD STYLE | FILLISTER | | INTERNAL DRIVE STYLE | SLOT | | NOMINAL THREAD DIAMETER | 0.060 INCHES | | NONDEFINITIVE SPEC/STD DATA | 4S STYLE AND 1 TYPE | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 COND A FED SPEC SINGLE MATERIAL RESPONSE | | SCREW MATERIAL | STEEL COMP 302 | | SCREW SURFACE TREATMENT | PASSIVATE | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2A | | THREAD LENGTH | 0.281 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 80 | | THREAD SERIES DESIGNATOR | UNF |
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