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National Stock Number:
5305-00-017-7398
Federal Supply Class:
5305
National Item Identification Number:
000177398
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:
| 121103 | 08683 | BROCKWAY MOTOR TRUCKS DIV OF MACK TRUCKS INC | | 177398 | 24617 | GENERAL MOTORS CORP | | 177398 | 30379 | EUCLID INC | | 177398 | 7X677 | GENERAL MOTORS LLC | | 177398 | 97907 | TEREX CORP | | 7539997 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | FFS92TYPE1STYLE10S | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | T8S31-14 | 06840 | BENDIX CORP THE | | T8S31-14 | 56442 | DIAMOND REO TRUCK CO | | T8S31-14 | 76126 | BENDIX CORP THE FRICTION MATERIALS DIV | | T8S31-14 | 79960 | ZENITH FUEL SYSTEMS LLC |
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Techincal Specification:
| FASTENER LENGTH | 0.875 INCHES NOMINAL | | HARDNESS RATING | 95.5 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM | | HEAD HEIGHT | 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | MINIMUM TENSILE STRENGTH | 60000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | SCREW MATERIAL | STEEL | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | SAE GR 1 OR 2 ASSN STD SINGLE MATERIAL RESPONSE | | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 1,CL 3 FED SPEC 2ND TREATMENT RESPONSE | | SCREW SURFACE TREATMENT | CADMIUM OR ZINC | | WIDTH BETWEEN FLATS | 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.781 INCHES MINIMUM AND 0.875 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 24 |
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