5305-01-434-8183, SCREW,SHOULDER

5998-01-434-8184 ELECTRONIC COMPONENTS ASSEMBLY

National Stock Number:
5305-01-434-8183

Federal Supply Class:
5305

National Item Identification Number:
014348183

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:

NAS1248-29

80205

NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE

Techincal Specification:

THREAD SERIES DESIGNATOR	UNJF
NOMINAL THREAD DIAMETER	0.500 INCHES
THREAD QUANTITY PER INCH	20
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.453 INCHES MAXIMUM
FASTENER LENGTH	2.251 INCHES MINIMUM AND
	2.271 INCHES MAXIMUM
MATERIAL	STEEL COMP 4140 OR
	STEEL COMP 4340 OR
	STEEL COMP 8735 OR
	STEEL COMP 8740 OR
	STEEL COMP 6150 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR
	MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR
	DMIL-S-6098 MIL SPEC 3RD MATERIAL RESPONSE OR
	MIL-S-6049 MIL SPEC 4TH MATERIAL RESPONSE OR
	MIL-S-8503 MIL SPEC 5TH MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND
	CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416, TYPE 2, CLASS 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
HEAD STYLE	FLAT COUNTERSUNK
HEAD DIAMETER	0.951 INCHES MINIMUM AND
	1.014 INCHES MAXIMUM
COUNTERSINK ANGLE	99.0 DEGREES MINIMUM AND
	101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE	HIGH-TORQUE
SHOULDER SHAPE	ROUND FIRST SHOULDER
SHOULDER DIAMETER	0.5141 INCHES MINIMUM AND
	0.5151 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH	1.803 INCHES MINIMUM AND
	1.823 INCHES MAXIMUM FIRST SHOULDER
SPECIFICATION/STANDARD DATA	80205-NAS1248 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

Click here to Register for Free 30-day Trial