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National Stock Number:
5305-00-912-3858
Federal Supply Class:
5305
National Item Identification Number:
009123858
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:
| 926C174P211 | 24446 | GENERAL ELECTRIC COMPANY | | 926C174P211 | 89954 | BAE SYSTEMS CONTROLS INC. |
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Techincal Specification:
| COUNTERSINK ANGLE | 82.0 DEGREES NOMINAL | | FASTENER LENGTH | 0.250 INCHES NOMINAL | | HEAD DIAMETER | 0.172 INCHES NOMINAL | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | NOMINAL THREAD DIAMETER | 0.086 INCHES | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AISI C1010 ASSN STD 1ST MATERIAL RESPONSE OR AISI C1011 ASSN STD 2ND MATERIAL RESPONSE OR AISI C1012 ASSN STD 3RD MATERIAL RESPONSE OR AISI C1013 ASSN STD 4TH MATERIAL RESPONSE OR SAE 1010 ASSN STD 5TH MATERIAL RESPONSE OR SAE 1012 ASSN STD ALL MATERIAL RESPONSES | | SCREW MATERIAL | STEEL | | SCREW SURFACE TREATMENT | CADMIUM AND PAINT | | THREAD LENGTH | 0.250 INCHES MAXIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 56 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
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