5305-01-346-2284 SCREW,MACHINE Index 5340-01-346-2286 STANDOFF,THREADED,SPACING

National Stock Number:
5305-01-346-2285

Federal Supply Class:
5305

National Item Identification Number:
013462285

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:
22981-1478051275ANRITSU INSTRUMENTS COMPANY DIV MBU
3157139 0270318ALLMETAL SCREW PRODUCTS CORP
3157139-0290536LOCKHEED MARTIN CORP


Techincal Specification:
FASTENER LENGTH0.250 INCHES NOMINAL
HEAD DIAMETER0.155 INCHES MINIMUM AND 0.167 INCHES MAXIMUM
HEAD HEIGHT0.045 INCHES MINIMUM AND 0.053 INCHES MAXIMUM
HEAD STYLEPAN
INTERNAL DRIVE STYLESLOT
MINIMUM TENSILE STRENGTH75000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.086 INCHES
SCREW MATERIALSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 316
SCREW SURFACE TREATMENTPASSIVATE
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.114 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH56


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