5305-00-901-3154 SCREW,MACHINE Index 1350-00-901-3159 SPACER,ACOUSTIC

National Stock Number:
5305-00-901-3156

Federal Supply Class:
5305

National Item Identification Number:
009013156

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:
6W1849-4311530LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN INFORMATION SYSTEMS & GLOBAL SOLUTIONS


Techincal Specification:
FASTENER LENGTH0.625 INCHES NOMINAL
HEAD DIAMETER0.250 INCHES NOMINAL
HEAD HEIGHT0.132 INCHES NOMINAL
HEAD STYLEROUND
INTERNAL DRIVE STYLESLOT
NOMINAL THREAD DIAMETER0.250 INCHES
SCREW MATERIALSTEEL COMP 303
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764 COND A FED SPEC SINGLE MATERIAL RESPONSE
SCREW SURFACE TREATMENTPASSIVATE
THREAD LENGTH0.246 INCHES MINIMUM
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNF


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