5305-01-284-9678, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-284-9678

Federal Supply Class:
5305

National Item Identification Number:
012849678

Description:
SCREW,CAP,SOCKET HEAD

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.

Manufacturer Information:

B1821BH125F500L	05047	THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS
FF-S-85	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
FF-S-85C TYPE II STYLE 10P	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
M18240 1.250-12UNF-2A 5.000LG	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-F-18240,CONF-B HEX HEAD	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-F-18240,C0N F-B HEX HEAD	D9182	ZF INDUSTRIEANTRIEBE WITTEN GMBH
MS90727-281L	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	1.250 INCHES
THREAD QUANTITY PER INCH	12
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	2.750 INCHES MINIMUM AND
	2.938 INCHES MAXIMUM
FASTENER LENGTH	4.812 INCHES MINIMUM AND
	5.000 INCHES MAXIMUM
MATERIAL	PLASTIC POLYAMIDE LOCKING FEATURE
	STEEL FASTENER
MATERIAL DOCUMENT AND CLASSIFICATION	SAE J429 GR 8 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
SURFACE TREATMENT	CADMIUM AND
	CHROMATE FASTENER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
HARDNESS RATING	32.0 ROCKWELL C MINIMUM AND
	38.0 ROCKWELL C MAXIMUM FASTENER
MINIMUM TENSILE STRENGTH	150000 POUNDS PER SQUARE INCH
HEAD STYLE	HEXAGON
HEAD HEIGHT	0.749 INCHES MINIMUM AND
	0.813 INCHES MAXIMUM
WIDTH BETWEEN FLATS	1.812 INCHES MINIMUM AND
	1.875 INCHES MAXIMUM
INTERNAL DRIVE STYLE	W/O INTERNAL DRIVE
LOCKING FEATURE	PATCH OR
	STRIP THREADS
NONDEFINITIVE SPEC/STD DATA	2 TYPE AND
	10P STYLE AND
	8 GRADE
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	FF-S-85C TYPE II STYLE 10P

Click here to Register for Free 30-day Trial