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National Stock Number:
5305-00-821-2419
Federal Supply Class:
5305
National Item Identification Number:
008212419
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:
| 9017306 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | G221163-66 | 64959 | AMERICAN TELEPHONE AND TELEGRAPH CO | | G221163-66 | 78945 | PROVERBS 31 INVESTMENTS LLC DIV GATEWAY STRATEGIC SOURCING DBA GATEWAY STRATEGIC SOURCING | | G221163-66 | 92663 | AT AND T CO ADVANCED TECHNOLOGY SYSTEMS |
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Techincal Specification:
| FASTENER LENGTH | 2.750 INCHES MAXIMUM | | HEAD DIAMETER | 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM | | HEAD HEIGHT | 0.072 INCHES MINIMUM AND 0.080 INCHES MAXIMUM | | HEAD STYLE | PAN NO. 2 | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | SCREW MATERIAL | STEEL | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-630,C1010/C1020 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-631,C1010/C1020 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-634,C1010/C1020 FED SPEC 3RD MATERIAL RESPONSE | | SCREW SURFACE TREATMENT | CHROMATE ZINC | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2A | | THREAD LENGTH | 1.750 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 32 |
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