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National Stock Number:
5305-01-317-7402
Federal Supply Class:
5305
National Item Identification Number:
013177402
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:
| 123B235H01 | 48306 | NORTHROP GRUMMAN SUPPORT SERVICES CORP | | 123B235H01 | 97942 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | THREAD LENGTH | 1.000 INCHES MINIMUM AND | | 1.188 INCHES MAXIMUM | | FASTENER LENGTH | 2.406 INCHES MINIMUM AND | | 2.500 INCHES MAXIMUM | | MATERIAL | STEEL COMP 301 OR | | STEEL COMP 302 OR | | STEEL COMP 302B OR | | STEEL COMP 303 OR | | STEEL COMP 303SE OR | | STEEL COMP 304 OR | | STEEL COMP 304L OR | | STEEL COMP 305 OR | | STEEL COMP 308 OR | | STEEL COMP 309 OR | | STEEL COMP 309S OR | | STEEL COMP 310 OR | | STEEL COMP 310S OR | | STEEL COMP 314 OR | | STEEL COMP 316 OR | | STEEL COMP 316L OR | | STEEL COMP 317 OR | | STEEL COMP 321 OR | | STEEL COMP 347 OR | | STEEL COMP 348 OR | | STEEL COMP 384 OR | | STEEL COMP 385 OVERALL | | HEAD STYLE | HEXAGON | | THREAD DIRECTION | RIGHT-HAND | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD QUANTITY PER INCH | 16 | | THREAD CLASS | 2A | | SURFACE TREATMENT | PASSIVATE OVERALL | | MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH | | HEAD HEIGHT | 0.226 INCHES MINIMUM AND | | 0.243 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.551 INCHES MINIMUM AND | | 0.563 INCHES MAXIMUM | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.440 INCHES NOMINAL FIRST HOLE | | SHANK UNTHREADED HOLE DIAMETER | 0.063 INCHES MINIMUM AND | | 0.066 INCHES MAXIMUM FIRST HOLE |
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