5330-00-452-4253 SEAL Index 1660-00-452-4255 SPINDLE,VALVE

National Stock Number:
5305-00-452-4254

Federal Supply Class:
5305

National Item Identification Number:
004524254

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:
A217A10K7766BRITISH STANDARDS INSTITUTION


Techincal Specification:
FASTENER LENGTH0.292 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
HEAD DIAMETER0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM
HEAD HEIGHT0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM
HEAD STYLEPAN NO. 2
INTERNAL DRIVE STYLESLOT
NOMINAL THREAD DIAMETER0.112 INCHES
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONDTD904,FSCM K7766 NATIONAL SPEC SINGLE TREATMENT RESPONSE
SCREW MATERIALSTEEL
SCREW SURFACE TREATMENTCADMIUM
THREAD LENGTH0.242 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH40
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


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