5999-01-233-2923 CIRCUIT CARD ASSEMBLY Index 5305-01-233-2925 SCREW,MACHINE

National Stock Number:
5305-01-233-2924

Federal Supply Class:
5305

National Item Identification Number:
012332924

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:
791639-9-C0HDW7HUCK INTERNATIONAL, INC.
D791639-8-C0HDW7HUCK INTERNATIONAL, INC.
D791639-8-C97928HUCK INTL INC


Techincal Specification:
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
FASTENER LENGTH0.437 INCHES NOMINAL
HEAD DIAMETER0.350 INCHES MINIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLERECESSED TYPE I
NOMINAL THREAD DIAMETER0.250 INCHES
SPECIAL FEATURES0.190 IN. DIA HOLE ALONG THE LONGITUDINAL CENTERLINE
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE
SCREW MATERIALSTEEL COMP 303
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
SCREW SURFACE TREATMENTPASSIVATE
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.125 INCHES MINIMUM AND 0.249 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH28


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