5305-01-621-4257, SCREW ASSEMBLY,PANEL

4130-01-621-3960 PARTS KIT,AIR CONDITIONER

6150-01-622-1912 CABLE ASSEMBLY,SPECIAL PURPOSE,E

National Stock Number:
5305-01-621-4257

Federal Supply Class:
5305

National Item Identification Number:
016214257

Description:
SCREW ASSEMBLY,PANEL

Detail:
A HEADED, THREADED FASTENING DEVICE OVER WHICH MAY BE ASSEMBLED; (1) A STAND-OFF; (2) A FLANGED BUSHING WITH WASHER(S) AND/OR A SHOULDERED BUSHING WITHOUT A FLANGE, OR IT MAY HAVE AN INTERNALLY THREADED SLEEVE THAT IS AN INTEGRAL PART OF THE SCREW; A WASHER AND AN EXTERNALLY THREAD SELF-LOCKING BUSHING THAT IS DRIVEN BY AN INSERTED DRIVER. ATTACHED TO PANEL BY THREADED BUSHING OR BY FLARING END OF STAND-OFF, OR BUSHING. USED IN CONJUNCTION WITH A SPEED NUT, NUT PLATE, OR DRIVEN INTO A THREADED HOLE IN THE ITEM THAT THE PANEL IS FASTENED TO. MAY BE SPRING LOADED.

Manufacturer Information:

802027297039-1	12255	NAVY, UNITED STATES DEPARTMENT OF THE
FRB7500P-12C-B-5	5R793	HOWMET GLOBAL FASTENING SYSTEMS INC
FRB7500P12CB5	0HDW7	HUCK INTERNATIONAL, INC.
S-0433	17446	HUCK INTERNATIONAL, INC

Techincal Specification:

THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.250 INCHES
THREAD QUANTITY PER INCH	20
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
FASTENER LENGTH	1.23 INCHES MINIMUM AND
	1.27 INCHES MAXIMUM
MATERIAL	ALUMINUM ALLOY 6061 HEAD
	STEEL COMP 301 WASHER
	ALUMINUM ALLOY 6061 SLEEVE
	STEEL COMP 302 SPRING
	STEEL COMP 302 FASTENER
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE OR
	AMS 4117 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE HEAD
	AMS 5901,5517 OR AMS 5519 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE WASHER
	QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE OR
	AMS 4117 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE SLEEVE
	ASTM A313 ASSN STD SINGLE MATERIAL RESPONSE OR
	AMS 5688 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE SPRING
	ASTM-A493 ASSN STD SINGLE MATERIAL RESPONSE OR
	AMS5636 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE FASTENER
SURFACE TREATMENT	ANODIZE HEAD
	PASSIVATE WASHER
	ANODIZE SLEEVE
	PASSIVATE SPRING
	PASSIVATE FASTENER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-A-8625,TY II,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE HEAD
	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE WASHER
	MIL-A-8625,TY II,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE SLEEVE
	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SPRING
	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
HEAD STYLE	KNURLED NO. 5
HEAD DIAMETER	0.531 INCHES NOMINAL
HEAD HEIGHT	0.530 INCHES NOMINAL
INTERNAL DRIVE STYLE	CROSS RECESS TYPE II
MATERIAL ACCOMMODATED THICKNESS	0.032 INCHES MINIMUM AND
	0.093 INCHES MAXIMUM
FEATURES PROVIDED	WASHER
PART NAME ASSIGNED BY CONTROLLING AGENCY	CAPTIVE FASTENER,1/4-20

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