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National Stock Number:
5305-01-383-7370
Federal Supply Class:
5305
National Item Identification Number:
013837370
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:
| 248544-1 | 06481 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 248544-1 | 06841 | SMITH S R CO INC | | 248544-1 | 13973 | LITTON SYSTEMS INC. DIV NAVIGATION SYSTEMS DIVISION | | 248544-1 | 58794 | FASTENER TECHNOLOGY CORP |
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Techincal Specification:
| FASTENER LENGTH | 0.754 INCHES MINIMUM AND 0.779 INCHES MAXIMUM | | HEAD HEIGHT | 0.130 INCHES MINIMUM AND 0.190 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A276 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A276 ASSN STD 3RD MATERIAL RESPONSE | | SCREW MATERIAL | STEEL COMP 303SE OR STEEL COMP 302 OR STEEL COMP 304 | | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE | | SCREW SURFACE TREATMENT | PASSIVATE | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.428 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | WIDTH BETWEEN FLATS | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM |
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