5305-01-131-2169, SCREW,MACHINE

National Stock Number:
5305-01-131-2169

Federal Supply Class:
5305

National Item Identification Number:
011312169

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:

MS9712-04

96906

MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

EXTENDED WASHER DIAMETER	0.260 INCHES MINIMUM AND 0.280 INCHES MAXIMUM
EXTENDED WASHER THICKNESS	0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM
FASTENER LENGTH	0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
HARDNESS RATING	34.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM
HEAD HOLE CONFIGURATION STYLE	DOUBLE HEXAGON LONGITUDINAL HOLE
HEAD HEIGHT	0.195 INCHES MINIMUM AND 0.215 INCHES MAXIMUM
HEAD STYLE	DOUBLE HEXAGON W/ HOLE
HOLE DIAMETER	0.042 INCHES MINIMUM AND 0.052 INCHES MAXIMUM
HOLE QUANTITY	4
MINIMUM TENSILE STRENGTH	175000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.138 INCHES
PRECIOUS MATERIAL AND LOCATION	OVERALL SILVER
PRECIOUS MATERIAL	SILVER
SCREW MATERIAL DOCUMENT AND CLASSIFICATION	AMS5708 ASSN STD SINGLE MATERIAL RESPONSE
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS2410 ASSN STD SINGLE TREATMENT RESPONSE
SCREW MATERIAL	NICKEL ALLOY
SCREW SURFACE TREATMENT	SILVER
WIDTH BETWEEN FLATS	0.181 INCHES MINIMUM AND 0.189 INCHES MAXIMUM
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.287 INCHES MINIMUM AND 0.327 INCHES MAXIMUM
THREAD QUANTITY PER INCH	40
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL JOINT FINE (UNJF)

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