5305-01-515-8958, SCREW,CAP,SOCKET HEAD

1680-01-515-8959 ACTUATOR,MECHANICAL,AIRCRAFT

National Stock Number:
5305-01-515-8958

Federal Supply Class:
5305

National Item Identification Number:
015158958

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:

0.250-20UNRC-3AX1.250L	80204	AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED
0.250-20UNRC-3AX1.250LG	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
211048852	53711	NAVAL SEA SYSTEMS COMMAND
585-6726900-41	53711	NAVAL SEA SYSTEMS COMMAND
751-6402301 FIND 48	53711	NAVAL SEA SYSTEMS COMMAND
751-6402301 ITEM 48	53711	NAVAL SEA SYSTEMS COMMAND
751-6402301-48	53711	NAVAL SEA SYSTEMS COMMAND
751-6402302 FIND 48	53711	NAVAL SEA SYSTEMS COMMAND
751-6402302 ITEM 48	53711	NAVAL SEA SYSTEMS COMMAND
751-6402302-48	53711	NAVAL SEA SYSTEMS COMMAND
FF-S-86	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC

Techincal Specification:

COUNTERSINK ANGLE	80.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM
FASTENER LENGTH	1.250 INCHES NOMINAL
HEAD DIAMETER	0.480 INCHES MINIMUM AND 0.531 INCHES MAXIMUM
HEAD STYLE	FLAT COUNTERSUNK
INTERNAL DRIVE STYLE	HEXAGON
LOCKING FEATURE	PATCH THREADS OR PELLET THREADS OR STRIP THREADS
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	NICKEL ALLOY 400 OVERALL
PROPRIETARY CHARACTERISTICS	PACS
NOMINAL THREAD DIAMETER	0.250 INCHES
NONDEFINITIVE SPEC/STD DATA	4 TYPE
SPECIAL FEATURES	DISTRIBUTION STATEMENT D-DATA EXPORT RESTRICTED
WIDTH ACROSS FLATS	0.156 INCHES NOMINAL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	1.089 INCHES NOMINAL
THREAD QUANTITY PER INCH	20
THREAD SERIES DESIGNATOR	UNRC

Click here to Register for Free 30-day Trial