CAT-4431 is a Screw Shoulder manufactured by Westinghouse Electric Corp.

What are the specifications of CAT-4431?

Please contact us for detailed specifications of CAT-4431.

Is CAT-4431 available for immediate shipping?

Yes, we ship worldwide with same-day handling on many parts depending on stock availability.

Can Aerospace Orbit supply bulk quantities of CAT-4431?

Yes, we support both small and large volume orders depending on stock.

Obtain a Quote for Westinghouse Electric Corp Part Number CAT-4431 Now

Name: Part Number CAT-4431 - Screw Shoulder
Brand: Westinghouse Electric Corp
SKU: cat-4431
Availability: InStock
Rating: 4.6 (226 reviews)

Part Number: CAT-4431

Alternate P/N: CAT4431

Manufacturer: Westinghouse Electric Corp

NSN: 5305-01-148-2651

NIIN: 01-148-2651

Item Name : screw shoulder

CAGE Code: 94259

FSC: 5305 Screws

FSG: 53 Hardware and Abrasives

INC Code : 22846

Country: USA

NCB Code: 01

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NSN Information for Part Number CAT-4431 with NSN 5305-01-148-2651, 5305011482651

NSN	FSC	NIIN	CLS	Hazmat	DEMIL	Cancelled NSN
5305-01-148-2651 Item PartTypeName: SCREW,SHOULDER	5305	011482651	0	N
	CIIC	HCC	ESD	PMIC	Criticality	ENAC
	U			A	0
Part Number	ISC	RNVC	RNCC	HCC	MSDS	SADC
4431	5	1	5

Characteristics Data of NSN 5305-01-148-2651, 5305011482651

MRC	Criteria	Characteristic
AAJD	THREAD CLASS	2A
AAJF	THREAD DIRECTION	RIGHT-HAND
AASA	THREAD LENGTH	0.250 INCHES NOMINAL
AASB	FASTENER LENGTH	0.750 INCHES MINIMUM AND 0.752 INCHES MAXIMUM
AASK	HEAD STYLE	FLAT CHAMFER
AASL	HEAD DIAMETER	0.375 INCHES NOMINAL
AASU	HEAD HEIGHT	0.188 INCHES NOMINAL
AATN	SHOULDER DIAMETER	0.249 INCHES MINIMUM FIRST SHOULDER AND 0.250 INCHES MAXIMUM FIRST SHOULDER
AATX	SHOULDER LENGTH	0.500 INCHES MINIMUM FIRST SHOULDER AND 0.502 INCHES MAXIMUM FIRST SHOULDER
ABQZ	INTERNAL DRIVE STYLE	HEXAGON
AHYM	NOMINAL THREAD DIAMETER	0.190 INCHES
ASDB	WIDTH ACROSS FLATS	0.125 INCHES NOMINAL
CMLP	THREAD QUANTITY PER INCH	32
CRTL	CRITICALITY CODE JUSTIFICATION	ZZZY
CWYB	SHOULDER SHAPE	ROUND FIRST SHOULDER
MATT	MATERIAL	STEEL COMP 303 OVERALL
SFTT	SURFACE TREATMENT	CHROMIUM OVERALL
SPCL	SPECIAL TEST FEATURES	SPECIAL QUALITY CONTROL TESTING
STDC	SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-C-320 CLASS 2B FED SPEC SINGLE TREATMENT RESPONSE OVERALL
TEST	TEST DATA DOCUMENT	81349-MIL-P-23199 SPECIFICATION INCLUDES ENGINEERING TYPE BULLETINS,BROCHURES,ETC.,THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS,INDUSTRY DIRECTORIES,AND SIMILAR TRADE PUBLICATIONS,REFLECTI
THSD	THREAD SERIES DESIGNATOR	UNF
ZZZY	REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS	AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS AND CERTIFIED FREE FROM MERCURY CONTAMINATION