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National Stock Number:
5305-00-685-1534
Federal Supply Class:
5305
National Item Identification Number:
006851534
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:
| 2-56BN3FJ | 42498 | DAR ELECTRONICS INC DBA NATIONAL RADIO CO | | 342-0142-00 | 13499 | ROCKWELL COLLINS, INC. | | 342-0142-000 | 95105 | ROCKWELL COLLINS, INC. | | 7114-1013 | 14028 | SYPRIS ELECTRONICS, LLC | | P342-0142-00 | 77250 | ALLIED PRODUCTS CORP PHEOLL MFG CO DIV |
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Techincal Specification:
| COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM | | FASTENER LENGTH | 0.188 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 | COPPER ALLOY | | SCREW SURFACE TREATMENT | NICKEL | | THREAD CLASS | 2A | | THREAD LENGTH | 0.188 INCHES MAXIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 56 |
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