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National Stock Number:
5305-00-880-5943
Federal Supply Class:
5305
National Item Identification Number:
008805943
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:
| 388777 | 77445 | RTX CORPORATION | | 518670 | 77445 | RTX CORPORATION |
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Techincal Specification:
| COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM | | FASTENER LENGTH | 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM | | HARDNESS RATING | 25.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM | | HEAD DIAMETER | 0.462 INCHES MINIMUM AND 0.507 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | TORQUE SET | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | NONSTANDARD THREAD PITCH DIAMETER | +0.2210 TO 0.2240 INCHES | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE | | SCREW MATERIAL | IRON ALLOY 660 | | SCREW SURFACE TREATMENT | PASSIVATE | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNF | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM |
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