Product Details | TUBE COUPLING NUT

4730-01-012-5091 An internally threaded nut which has either an internal seat or shoulder and/or is designed to be used with a ferrule, to mate with the seat of an externally threaded tube fitting to form a leakproof connection. Excludes NUT (1), TUBE COUPLING, REDUCING; and NUT (1), UNION.

Part Alternates: AS4326K08, KC142C8, KC142K8, 4730-01-012-5091, 01-012-5091, 4730010125091, 010125091

Pipe, Tubing, Hose, and Fittings | Hose, Pipe, Tube, Lubrication, and Railing Fittings

Supply Group (FSG) NSN Assign. NIIN
47 12 NOV 1975 01-012-5091

Drawings & Photos | NSN 4730-01-012-5091


Demand History | NSN 4730-01-012-5091

Part Number Request Date QTY Origin
AS4326K08 2021-04-112 1 US
4730-01-012-5091 2018-02-59 10 United States
AS4326K08 2016-10-295 12 United States

Cross Reference | NSN 4730-01-012-5091

Part Number Cage Code Manufacturer
AS4326K08 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
KC142C8 22264 JOHN F KENNEDY SPACE CENTER DBA NASA
KC142K8 22264 JOHN F KENNEDY SPACE CENTER DBA NASA

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Technical Data | NSN 4730-01-012-5091

Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE 0.750 INCHES
THREAD QUANTITY PER INCH 16
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL CORROSION RESISTING OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
NUT STYLE A350 TUBE COUPLING
NUT HEIGHT 0.854 INCHES NOMINAL
WIDTH ACROSS FLATS 0.875 INCHES NOMINAL
LENGTH TO SHOULDER 0.723 INCHES NOMINAL
SEAT ANGLE 45.00 DEGREES NOMINAL
FABRICATION METHOD ANY ACCEPTABLE
NOMINAL TUBE OUTSIDE DIAMETER 0.500 INCHES
SPECIFICATION/STANDARD DATA 22264-KC142 GOVERNMENT STANDARD

Restrictions/Controls & Freight Information | NSN 4730-01-012-5091

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information