5305-00-003-3862, SCREW,SHOULDER

National Stock Number:
5305-00-003-3862

Federal Supply Class:
5305

National Item Identification Number:
000033862

Description:
SCREW,SHOULDER

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 IN.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below No. 10 (0.190 IN.) (5 mm) nominal diameter. No. 10 (0.190 IN.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use SCREW, EXTERNALLY RELIEVED BODY. For items with a No. 10 (0.190 IN.) (5 mm) or larger thread diameter without an inserted driver head, use BOLT, SHOULDER. Excludes BOLT, INTERNAL WRENCHING and SCREW, CAP, SOCKET HEAD.

Manufacturer Information:

A51M42523-11	26512	NORTHROP GRUMMAN SYSTEMS CORPORATION
A51M42523-11	61174	NORTHROP GRUMMAN SYSTEMS CORPORATION
A51M42523-11	79RG9	NORTHROP GRUMMAN SYSTEMS CORPORATION

Techincal Specification:

DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	0.100 INCHES NOMINAL FIRST HOLE
CRITICALITY CODE JUSTIFICATION	AATN
FASTENER LENGTH	2.003 INCHES NOMINAL
HARDNESS RATING	46.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.100 INCHES NOMINAL
HEAD DIAMETER	0.625 INCHES NOMINAL
HEAD STYLE	FLAT CHAMFER
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	G-1010 FSCM 26512 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES
SHANK UNTHREADED HOLE DIAMETER	0.072 INCHES MINIMUM AND 0.077 INCHES MAXIMUM FIRST HOLE
SHOULDER DIAMETER	0.343 INCHES MINIMUM AND 0.344 INCHES MAXIMUM FIRST SHOULDER
SHOULDER SHAPE	ROUND FIRST SHOULDER
SHOULDER LENGTH	1.691 INCHES NOMINAL FIRST SHOULDER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-8837 TY 2 CL 1 MIL SPEC SINGLE TREATMENT RESPONSE HEAD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-8837 TY 2 CL 1 MIL SPEC SINGLE TREATMENT RESPONSE THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-C-320 FED SPEC SINGLE TREATMENT RESPONSE GRIP
SURFACE TREATMENT	CHROMIUM GRIP
SURFACE TREATMENT	CADMIUM HEAD
SURFACE TREATMENT	CADMIUM THREADS
TEST DATA DOCUMENT	81349-MIL-I-6868 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.312 INCHES MAXIMUM
THREAD QUANTITY PER INCH	28
THREAD SERIES DESIGNATOR	UNJF

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