5305-01-181-0806, SCREW,SHOULDER

National Stock Number:
5305-01-181-0806

Federal Supply Class:
5305

National Item Identification Number:
011810806

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:

75A613631-2003

76301

THE BOEING COMPANY

Techincal Specification:

DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	0.828 INCHES NOMINAL FIRST HOLE
COUNTERSINK ANGLE	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH	0.936 INCHES NOMINAL
HEAD DIAMETER	0.429 INCHES MINIMUM
HEAD STYLE	FLAT COUNTERSUNK
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-T-9047,COND ANLD MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	TITANIUM ALLOY OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES
SHOULDER DIAMETER	0.3188 INCHES MINIMUM AND 0.3200 INCHES MAXIMUM FIRST SHOULDER
SHOULDER SHAPE	ROUND FIRST SHOULDER
SHOULDER LENGTH	0.540 INCHES MINIMUM AND 0.550 INCHES MAXIMUM FIRST SHOULDER
SHANK UNTHREADED HOLE DIAMETER	0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	PS13143 TY1 CL 3,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE HEAD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	PS13143 TY 1 CL 3,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE BEARING SURFACE OF HEAD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	PS13143 TY1 CL 3,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE GRIP
SURFACE TREATMENT	ALUMINUM BEARING SURFACE OF HEAD
SURFACE TREATMENT	ALUMINUM GRIP
SURFACE TREATMENT	ALUMINUM HEAD
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.366 INCHES NOMINAL
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL JOINT FINE (UNJF)
THREAD QUANTITY PER INCH	28

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