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National Stock Number:
5305-01-242-5957
Federal Supply Class:
5305
National Item Identification Number:
012425957
Description:
SCREW,MACHINE
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.
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Manufacturer Information:
| FF-S-92 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | NAS662C2LPR5 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | FASTENER LENGTH | 0.312 INCHES NOMINAL | | HEAD DIAMETER | 0.143 INCHES MINIMUM AND 0.172 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | LOCKING FEATURE | PATCH | | NOMINAL THREAD DIAMETER | 0.0860 INCHES | | SPECIAL FEATURES | MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-626 FED SPEC 1ST MATERIAL RESPONSE OR MIL-S-7720 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-7720 MIL SPEC 3RDMATERIAL RESPONSE OVERALL; SFTT SURFACE TREATMENT: PASSIVATE OVERALL; SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; HEAD STYLE: FLAT COUNTERSUNK | | THREAD CLASS | 2A | | THREAD LENGTH | 0.276 INCHES MINIMUM AND 0.283 INCHES MAXIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 56 | | THREAD SERIES DESIGNATOR | UNC |
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