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National Stock Number:
5305-01-290-0009
Federal Supply Class:
5305
National Item Identification Number:
012900009
Description:
SCREW,CAP,HEXAGON HEAD
Detail:
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.
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Manufacturer Information:
| 1/4-20UNC-2A X 1 1/4 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | 1/4-20UNC-2A X 1 1/4L1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | MIL-DTL-1222 TY1GR400 QQ-N-281L1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | MIL-DTL-1222L1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | MIL-DTL-1222 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MIL-DTL-1222 TY1GR400 QQ-N-281 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MIL-S-1222L1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | MIL-S-1222 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | ZZZX | | DEPARTURE FROM CITED DESIGNATOR | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY OVERALL | | SPECIAL FEATURES | OVERALL LENGTH 1.250 INCHES NOMINAL; NOMINAL THREAD SIZE 0.250 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNC |
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