5340-01-414-4955 BRACKET,MOUNTING Index 5340-01-414-4957 STANDOFF,THREADED,SPACING

National Stock Number:
5305-01-414-4956

Federal Supply Class:
5305

National Item Identification Number:
014144956

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:
1-3913-5562384LFC INDUSTRIES INC.
1291936819200US ARMY ARDEC RDECOM
433913-5563020CRESCENT MANUFACTURING OPERATING COMPANY


Techincal Specification:
FASTENER LENGTH1.880 INCHES NOMINAL
HEAD DIAMETER0.219 INCHES NOMINAL
HEAD HEIGHT0.080 INCHES NOMINAL
HEAD STYLEPAN
INTERNAL DRIVE STYLECROSS RECESS TYPE II
NOMINAL THREAD DIAMETER0.112 INCHES
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONFF-S-92, 300 SERIES FED SPEC SINGLE MATERIAL RESPONSE
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION171, 5.4.1 MIL STD SINGLE TREATMENT RESPONSE
SCREW MATERIALSTEEL
SCREW SURFACE TREATMENTPASSIVATE
THREAD QUANTITY PER INCH40
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A
THREAD LENGTH1.830 INCHES NOMINAL


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