Product Details | TUBE COUPLING NUT

4730-00-674-9137 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: 325880, 4730-00-674-9137, 00-674-9137, 4730006749137, 006749137

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

Supply Group (FSG) NSN Assign. NIIN
47 01 JAN 1963 00-674-9137

Drawings & Photos | NSN 4730-00-674-9137


Cross Reference | NSN 4730-00-674-9137

Part Number Cage Code Manufacturer
325880 11449 TURBO POWER & MARINE SYSTEM INC SUB OF UNITED TECHNOLOGIES CORP
325880 77445 UNITED TECHNOLOGIES CORPORATION DBA PRATT WHITNEY-SPARE PARTS

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Technical Data | NSN 4730-00-674-9137

Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE 0.625 INCHES
THREAD QUANTITY PER INCH 18
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL COMP 347 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS 5646 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT SILVER OVERALL
NUT STYLE A351 TUBE COUPLING
NUT HEIGHT 0.766 INCHES MINIMUM AND 0.797 INCHES MAXIMUM
WIDTH ACROSS FLATS 0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM
LENGTH TO SHOULDER 0.658 INCHES MINIMUM AND 0.668 INCHES MAXIMUM
SMALLEST INSIDE DIAMETER 0.502 INCHES MINIMUM AND 0.505 INCHES MAXIMUM
FABRICATION METHOD MACHINED
NOMINAL TUBE OUTSIDE DIAMETER 0.438 INCHES
III PRECIOUS MATERIAL AND LOCATION SURFACE SILVER
MANUFACTURERS CODE 77445
DESIGN CONTROL REFERENCE 325880

Restrictions/Controls & Freight Information | NSN 4730-00-674-9137

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:SItem contains silver
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
NMF Description 093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3)
Less than car load rating U 50
Less than truck load rating W Rating Variable
Water commodity Code 573 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable