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National Stock Number:
5305-01-244-8888
Federal Supply Class:
5305
National Item Identification Number:
012448888
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:
| 214-4364090ITEM275 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 3/4-10UNC-2AX1-3/4 LG | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | MIL-S-1222G TY1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 501-4364087ITEM2 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | ZZZY | | FASTENER LENGTH | 1.750 INCHES NOMINAL | | HEAD HEIGHT | 0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.750 INCHES | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS. | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-Z-325 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.750 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 10 | | THREAD SERIES DESIGNATOR | UNC | | WIDTH BETWEEN FLATS | 1.100 INCHES MINIMUM AND 1.125 INCHES MAXIMUM |
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