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National Stock Number:
5305-00-021-5912
Federal Supply Class:
5305
National Item Identification Number:
000215912
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:
| 0912789 | 92392 | ALLIS-CHALMERS CORP | | 0912789-5 | 92392 | ALLIS-CHALMERS CORP | | 11X121 | 58275 | SASCO INC CANADIAN DIV | | 13K10 | 08645 | BRIGGS AND STRATTON CORP | | 1AX16 | 76040 | MACK TRUCKS INC PARTS OPN | | 1X41 | 83120 | PRESSED METALS OF AMERICA INC | | 202791 | 02978 | RENK AMERICA LLC | | 215912 | 24617 | GENERAL MOTORS CORP | | 215912 | 7X677 | GENERAL MOTORS LLC | | 25S54 | 06840 | BENDIX CORP THE | | 381 | 26536 | DRESSER INDUSTRIES INC P AND M MFG DIV | | 3998 | 23382 | FWD SEAGRAVE HOLDINGS LP | | 7435-98Z2 | 52793 | SAGINAW PRODUCTS CORPORATION | | 912789 | 92392 | ALLIS-CHALMERS CORP | | 92134 | 08645 | BRIGGS AND STRATTON CORP | | 92134 | 27996 | HEIL ENVIRONMENTAL INDUSTRIES | | DX599D | 56442 | DIAMOND REO TRUCK CO | | FFS85 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | M21428 | 61038 | VICKERS INC | | S2X1 | 65282 | WHITE MOTOR CORP |
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Techincal Specification:
| DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY HEAD HEIGHT | | FASTENER LENGTH | 0.750 INCHES NOMINAL | | HARDNESS RATING | 23.0 ROCKWELL B MINIMUM AND 80.0 ROCKWELL B MAXIMUM OVERALL | | HEAD HEIGHT | 0.188 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | MINIMUM TENSILE STRENGTH | 74000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 1 STYLE AND 2 GRADE | | WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM | | SURFACE FINISH | 125.0 MICROINCHES BEARING SURFACE OF HEAD | | SURFACE FINISH | 63.0 MICROINCHES THREADS | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.750 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 28 |
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