5305-01-414-4194, SCREW,CAP,HEXAGON HEAD

5340-01-414-4195 DEFLECTOR,DIRT AND LIQUID

National Stock Number:
5305-01-414-4194

Federal Supply Class:
5305

National Item Identification Number:
014144194

Description:
SCREW,CAP,HEXAGON HEAD

Detail:
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.

Manufacturer Information:

1/4-20UNC-2AX1.50IN. LG	80204	AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED
MIL-DTL-1222J	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-S-1222 TY1	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MILS1222 TY-I,G R-400 HEX HEAD	D9182	ZF INDUSTRIEANTRIEBE WITTEN GMBH
MIL-S-1222 0.25 0-20UNC-2AX1.50	D9182	ZF INDUSTRIEANTRIEBE WITTEN GMBH

Techincal Specification:

FASTENER LENGTH	1.500 INCHES NOMINAL
HARDNESS RATING	80.0 ROCKWELL B NOMINAL FASTENER
HEAD HEIGHT	0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM
HEAD STYLE	HEXAGON
LOCKING FEATURE	PATCH OR PELLET OR STRIP THREADS
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-281, CLA FED SPEC SINGLE MATERIAL RESPONSE FASTENER
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-281, CLA FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	PLASTIC POLYAMIDE NYLON LOCKING FEATURE
MATERIAL	NICKEL ALLOY 400 FASTENER
MATERIAL	NICKEL ALLOY 400 OVERALL
MINIMUM TENSILE STRENGTH	80000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH	40000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.250 INCHES
NONDEFINITIVE SPEC/STD DATA	1 TYPE
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT
WIDTH BETWEEN FLATS	0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
THREAD CLASS	2A
THREAD QUANTITY PER INCH	20
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

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