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National Stock Number:
5305-01-251-2907
Federal Supply Class:
5305
National Item Identification Number:
012512907
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:
| 28B8801-83 | 58417 | SUNDSTRAND CORP | | 28B8801-83 | 83843 | SUNDSTRAND CORP ELECTRIC POWER SYSTEMS DIV | | 28B8801-83 | 99167 | HAMILTON SUNDSTRAND CORPORATION |
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Techincal Specification:
| FASTENER LENGTH | 0.500 INCHES NOMINAL | | HEAD DIAMETER | 0.208 INCHES MINIMUM AND 0.226 INCHES MAXIMUM | | HEAD HEIGHT | 0.111 INCHES MINIMUM AND 0.132 INCHES MAXIMUM | | HEAD HOLE CONFIGURATION STYLE | ROUND PERPENDICULAR | | HEAD STYLE | FLAT CHAMFER | | HOLE DIAMETER | 0.040 INCHES NOMINAL | | HOLE QUANTITY | 1 | | INTERNAL DRIVE STYLE | SLOT | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | SCREW MATERIAL | STEEL | | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY2 CL3 FED SPEC SINGLE TREATMENT RESPONSE | | SCREW SURFACE TREATMENT | CADMIUM AND CHROMATE | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.438 INCHES MINIMUM AND 0.500 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNC |
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