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National Stock Number:
5305-01-490-2057
Federal Supply Class:
5305
National Item Identification Number:
014902057
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:
| MS51958-83B | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| FASTENER LENGTH | 0.969 INCHES MINIMUM AND 1.000 INCHES MAXIMUM | | HEAD DIAMETER | 0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM | | HEAD HEIGHT | 0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM | | HEAD STYLE | PAN | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC ALL MATERIAL RESPONSES | | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924 CL4 MIL SPEC SINGLE TREATMENT RESPONSE | | SCREW MATERIAL | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 309 OR STEEL COMP 310 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 322 OR STEEL COMP 324 OR STEEL COMP 347 | | SCREW SURFACE TREATMENT | OXIDE | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.969 INCHES MINIMUM AND 1.000 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNF |
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