Product Details | TUBE COUPLING NUT

4730-01-217-4637 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: 2505703, 4730-01-217-4637, 01-217-4637, 4730012174637, 012174637

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

Supply Group (FSG) NSN Assign. NIIN
47 27 SEP 1985 01-217-4637

Demand History | NSN 4730-01-217-4637

Part Number Request Date QTY Origin
4730-01-217-4637 2024-02-46 1554 DIBBS
4730-01-217-4637 2023-04-108 1714 DIBBS
4730-01-217-4637 2023-03-68 1714 DIBBS
4730-01-217-4637 2022-02-55 113 DIBBS
4730-01-217-4637 2021-11-322 300 DIBBS
4730-01-217-4637 2021-10-291 367 DIBBS
4730-01-217-4637 2021-10-280 367 DIBBS
4730-01-217-4637 2021-09-269 317 DIBBS
4730-01-217-4637 2021-07-207 559 DIBBS
4730-01-217-4637 2021-06-179 1086 DIBBS
4730-01-217-4637 2021-06-164 1086 DIBBS
4730-01-217-4637 2020-06-177 1703 DIBBS
4730-01-217-4637 2018-12-340 1578 DIBBS
4730-01-217-4637 2015-01-01 1262 DIBBS
4730-01-217-4637 2013-05-139 1151 DIBBS
4730-01-217-4637 2010-05-134 1133 DIBBS
4730-01-217-4637 2008-11-317 1287 DIBBS

Cross Reference | NSN 4730-01-217-4637

Part Number Cage Code Manufacturer
2505703 10001 NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT

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Technical Data | NSN 4730-01-217-4637

Characteristic Specifications
THREAD DIRECTION RIGHT-HAND
MATERIAL ALUMINUM ALLOY 2017 OVERALL OR ALUMINUM ALLOY 2024 OVERALL OR ALUMINUM ALLOY 6061 OVERALL
SURFACE TREATMENT ANODIZE OVERALL
THREAD CLASS 2B
THREAD SERIES UNF
NUT HEIGHT 0.437 INCHES NOMINAL
NUT STYLE TUBE COUPLING
WIDTH ACROSS FLATS 0.625 INCHES NOMINAL
NOMINAL THREAD SIZE 0.438 INCHES
SMALLEST INSIDE DIAMETER 0.465 INCHES NOMINAL
THREAD QUANTITY PER INCH 20
NOMINAL TUBE OUTSIDE DIAMETER 0.250 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL

Restrictions/Controls & Freight Information | NSN 4730-01-217-4637

Category Code Description
Shelf-Life Code:0Nondeteriorative
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.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
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 013540 ALUM NUTS
Less than car load rating
Less than truck load rating Q 70.0
Water commodity Code 576 unknown
Originating Activity Code AX Defense Supply Center Columbus
Columbus, OH 43216-5000
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

Management | NSN 4730-01-217-4637

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Q
EA : Each