5310-01-522-2650 WASHER,FLAT Index 5305-01-522-2652 SCREW,MACHINE

National Stock Number:
5305-01-522-2651

Federal Supply Class:
5305

National Item Identification Number:
015222651

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.


Manufacturer Information:
7226371-2053711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
FASTENER LENGTH0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
HEAD DIAMETER0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
HEAD HEIGHT0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM
HEAD STYLEPAN
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
NOMINAL THREAD DIAMETER0.164 INCHES
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC ALL MATERIAL RESPONSES
SCREW MATERIALSTEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 384
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-83488 MIL SPEC SINGLE TREATMENT RESPONSE
SCREW SURFACE TREATMENTALUMINUM
SPECIAL FEATURESITEM IS MODIFIED FROM MS51957
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNC


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