5310-00-452-3524 WASHER Index 5365-00-452-3526 SPACER SPECIAL

National Stock Number:
5305-00-452-3525

Federal Supply Class:
5305

National Item Identification Number:
004523525

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:
99-120004599995NATO STOCK NUMBER ASSIGNED BY ANOTHER NATION
A31A10K7766BRITISH STANDARDS INSTITUTION


Techincal Specification:
FASTENER LENGTH0.313 INCHES MINIMUM AND 0.333 INCHES MAXIMUM
HEAD DIAMETER0.184 INCHES MINIMUM AND 0.194 INCHES MAXIMUM
HEAD HEIGHT0.073 INCHES MINIMUM AND 0.078 INCHES MAXIMUM
HEAD STYLEPAN NO. 2
INTERNAL DRIVE STYLESLOT
NOMINAL THREAD DIAMETER2.8 MILLIMETERS
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONDTD904,FSCM K7766 NATIONAL SPEC SINGLE TREATMENT RESPONSE
SCREW MATERIALSTEEL
SCREW SURFACE TREATMENTCADMIUM
THREAD PITCH IN MILLIMETERS0.53
THREAD SERIES DESIGNATORBA
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.282 INCHES MINIMUM AND 0.333 INCHES MAXIMUM


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