Quote in 15 min·24/7 × 365AS9120:2025 · ISO 9001:2015 · FAA AC 00-56B

NSN 4730-01-399-1531CAGE 77445

1B4942 by United Technologies Corporation with NSN 4730013991531 - Submit a Quote

Tailpiece Union

Tailpiece Union ASAP can help source this line with documentation review, alternate part checks, condition requirements, and account manager follow-up for urgent or planned procurement.

ASAP Aviation Procurement is pleased to announce that part number 1B4942 of NSN 4730013991531 is now available and in stock. We can get you one of the fastest and most competitive quotes on this part. Part number 1B4942 is a Tailpiece Union manufactured by United Technologies Corporation under CAGE Code . Simply fill out the Request for Quote (RFQ) form provided here to get started on your quote. In order to make sure that we get you your quote in a timely manner, please take the time to make sure that all fields are completely filled out, particularly the asterisk-marked (*) fields like Parts Needed By and Quantity (ea).

United Technologies

Manufacturer

USA

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N/A

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Detailed description

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Cross references

Unrestricted

Export control

4730 Fittings Hose Pipe and Tube

FSC

Why ASAP

Operations-grade aviation sourcing.

AS9120B

Quality-managed distribution

15 min

Average RFQ response, 24/7

Full trace

Documentation & certs on request

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Request a quote for 1B4942

Send this part to ASAP with quantity, need-by timing, and buyer contact details. An account manager will review availability, alternates, certificates, and delivery options.

Part-specific RFQ

Submit RFQ for 1B4942

Send this part to ASAP with quantity, need-by timing, and buyer contact details. A dedicated account manager reviews availability, alternates, certificates, and delivery options.

Tailpiece Union1B4942

NSN4730-01-399-1531

Manufacturer: United Technologies
CAGE: 77445

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NSN Information for Part Number 1B4942 with NSN 4730-01-399-1531, 4730013991531

NSN	FSC	NIIN	CLS	Hazmat	DEMIL	Cancelled NSN
4730013991531 Item Description: Tailpiece Union	4730	013991531	0	N
	CIIC	HCC	ESD	PMIC	Criticality	ENAC
	U			A
Part Number	ISC	RNVC	RNCC	HCC	MSDS	SADC
1b4942	5	2	3

Characteristics Data of NSN 4730-01-399-1531, 4730013991531

MRC	Criteria	Characteristic
AWZY	END CONNECTION TYPE	THREADED
AGAV	END ITEM IDENTIFICATION	AIRCRAFT; ENGINE; C17
MATL	MATERIAL	STEEL, AMS 5645
AAJF	THREAD DIRECTION	RIGHT-HAND
ABUJ	THREAD SIZE	1/4/2028
AQRX	TUBING OUTSIDE DIAMETER	0.125 INCHES NOMINAL
BBMM	SCREW THREAD LOCATION	INTERNAL
ABHP	OVERALL LENGTH	2.835 INCHES MINIMUM AND 2.865 INCHES MAXIMUM
AJYP	SCREW THREAD SERIES DESIGNATOR	UNJF
FEAT	SPECIAL FEATURES	SURFACE TREATMENT PER SPEC PWA 388; BOTH ENDS THD'D 0.250-28UNJF-3B; 4 HOLES 0.067-0.057IN.; PRATT AND WHITNEY WILL NOT RELEASE DRAWINGS
MATT	MATERIAL	STEEL COMP 321