5306-01-125-1173, BOLT,MACHINE

National Stock Number:
5306-01-125-1173

Federal Supply Class:
5306

National Item Identification Number:
011251173

Description:
BOLT,MACHINE

Detail:
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.

Manufacturer Information:

10115772	A486G	NIMIKKEISTOKESKUS NCB FINLAND
MC15467	04836	JAMAICA BEARINGS CO., INC.
MC15467	76050	EATON AEROSPACE LLC M C AEROSPACE DIV DBA STERER ENGINEERING

Techincal Specification:

DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	2.472 INCHES MINIMUM AND 2.522 INCHES MAXIMUM FIRST HOLE
FASTENER LENGTH	2.660 INCHES MINIMUM AND 2.690 INCHES MAXIMUM
FEATURES PROVIDED	FINISHED HEAD
GRIP LENGTH	2.220 INCHES NOMINAL
HEAD HEIGHT	0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM
HEAD STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	AMS5640 ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIAL	STEEL COMP 303 OR STEEL COMP 303SE OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES
SHANK UNTHREADED HOLE DIAMETER	0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE
WIDTH BETWEEN FLATS	0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
SURFACE FINISH	32.0 MICROINCHES GRIP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MCP 39 FSCM 76050 MFR REF SINGLE TREATMENT RESPONSE THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-C-320B,CL 2 FED SPEC SINGLE TREATMENT RESPONSE GRIP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-C-320B,CL. 2 FED SPEC SINGLE TREATMENT RESPONSE HEAD
SURFACE TREATMENT	CHROMIUM GRIP
SURFACE TREATMENT	CHROMIUM HEAD
SURFACE TREATMENT	PASSIVATE THREADS
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.455 INCHES NOMINAL
THREAD QUANTITY PER INCH	28
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL JOINT FINE (UNJF)

Click here to Register for Free 30-day Trial