5305-00-995-3442 SCREW,MACHINE Index 5305-00-995-3444 SCREW,MACHINE

National Stock Number:
5305-00-995-3443

Federal Supply Class:
5305

National Item Identification Number:
009953443

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:
65A5A5-410001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
FASTENER LENGTH0.734 INCHES MINIMUM AND 0.781 INCHES MAXIMUM
HEAD DIAMETER0.600 INCHES MINIMUM
HEAD HEIGHT0.097 INCHES NOMINAL
HEAD STYLEWATERTIGHT
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
NOMINAL THREAD DIAMETER0.250 INCHES
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE
SCREW MATERIALSTEEL COMP 431
SCREW SURFACE TREATMENTPASSIVATE
SPECIAL FEATURESFURISHED WITH ONE O-RING AND ONE BACKUP RING,POLYTETRAFLUOROETHYLENE
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.422 INCHES MINIMUM AND 0.469 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH28


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