5305-00-931-7250 SCREW,CLOSE TOLERANCE Index 5325-00-931-7253 INSERT,SCREW THREAD

National Stock Number:
5305-00-931-7251

Federal Supply Class:
5305

National Item Identification Number:
009317251

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:
A1C82-3-306725SPS TECHNOLOGIES, LLC
AIC82-3-306725SPS TECHNOLOGIES, LLC
VS2545T3F06950HOWMET GLOBAL FASTENING SYSTEMS INC
SFT22-3A356878SPS TECHNOLOGIES, LLC
SFT22-3A380539SPS TECHNOLOGIES, LLC
C082-3-381755LOCKHEED MARTIN CORPORATION
VSS545T3F392215HOWMET GLOBAL FASTENING SYSTEMS INC


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH0.424 INCHES NOMINAL
HARDNESS RATING46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
HEAD DIAMETER0.380 INCHES NOMINAL
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLETORQUE SET
MINIMUM TENSILE STRENGTH220000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.190 INCHES
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAMS6485 ASSN STD SINGLE MATERIAL RESPONSE
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONNAS 672 ASSN STD SINGLE TREATMENT RESPONSE
SCREW SURFACE TREATMENTCADMIUM
SCREW MATERIALSTEEL COMP H11
THREAD CLASS3A
THREAD LENGTH0.236 INCHES MINIMUM
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNJF


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