5310-01-434-2955 WASHER,FLAT Index 5310-01-434-2957 WASHER,FLAT

National Stock Number:
5305-01-434-2956

Federal Supply Class:
5305

National Item Identification Number:
014342956

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:
21103144353711NAVAL SEA SYSTEMS COMMAND
801-6405354-8353711NAVAL SEA SYSTEMS COMMAND
FF-S-9281348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
FF-S-92,TY III, STY-2CD9182ZF INDUSTRIEANTRIEBE WITTEN GMBH


Techincal Specification:
COUNTERSINK ANGLE82.0 DEGREES NOMINAL
FASTENER LENGTH1.000 INCHES NOMINAL
HEAD DIAMETER1.125 INCHES NOMINAL
HEAD STYLEOVAL COUNTERSUNK
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
LOCKING FEATURE MATERIALPLASTIC POLYAMIDE (NYLON)
LOCKING FEATUREPATCH OR PELLET OR STRIP
NOMINAL THREAD DIAMETER0.625 INCHES
SCREW MATERIALNICKEL ALLOY K-500
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.000 INCHES NOMINAL
THREAD QUANTITY PER INCH11
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


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