NSN 4730-01-641-1540 MS518233SS, MS51823-3SS , MS518233SSL1
Product Details | TUBE COUPLING NUT
4730-01-641-1540 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: MS518233SS, MS51823-3SS , MS518233SSL1, MS51823-3SSL1 , 4730-01-641-1540, 01-641-1540, 4730016411540, 016411540
Pipe, Tubing, Hose, and Fittings | Hose, Pipe, Tube, Lubrication, and Railing Fittings
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 47 | 2015012 | 01-641-1540 | 03859 ( NUT, TUBE COUPLING ) |
Drawings & Photos | NSN 4730-01-641-1540
Demand History | NSN 4730-01-641-1540
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| MS518233SS | 2025-06-181 | 1 | US |
| MS518233SS | 2024-08-214 | 25 | Canada |
| MS518233SS | 2024-08-214 | 100 | Canada |
| MS518233SS | 2024-04-108 | 32 | US |
| MS518233SS | 2024-04-107 | 5 | United States |
| MS518233SS | 2023-11-332 | 2 | us |
| MS518233SS | 2023-10-279 | 3 | United States |
| MS518233SS | 2023-10-279 | 3 | United States |
| MS518233SS | 2023-09-248 | 552 | United States |
| MS518233SS | 2023-09-248 | 1000 | United States |
| MS518233SS | 2023-08-243 | 10 | US |
| MS518233SS | 2023-04-100 | 3 | United States |
| MS518233SS | 2022-10-286 | 32 | United States |
| MS518233SS | 2022-08-241 | 1 | United States |
| MS518233SS | 2022-02-45 | 10 | United States |
| MS518233SS | 2022-01-27 | 10 | United States |
| MS518233SS | 2021-12-344 | 13 | United States |
| MS518233SS | 2021-08-232 | 33 | US |
| MS518233SS | 2021-04-95 | 40 | US |
| MS518233SS | 2021-03-67 | 4 | United States |
| MS518233SS | 2014-09-247 | 1 | Australia |
| MS518233SS | 2013-06-164 | 10 | US |
| MS518233SS | 2012-10-304 | 100 | US |
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Related Products | NSN 4730-01-641-1540
Technical Data | NSN 4730-01-641-1540
| Characteristic | Specifications |
|---|---|
| THREAD SERIES | UNF |
| NOMINAL THREAD SIZE | 0.438 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 2B |
| THREAD DIRECTION | RIGHT-HAND |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| NUT STYLE | TUBE COUPLING |
| NUT HEIGHT | 0.700 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 0.563 INCHES NOMINAL |
| LENGTH TO SHOULDER | 0.537 INCHES NOMINAL |
| SMALLEST INSIDE DIAMETER | 0.255 INCHES NOMINAL |
| NOMINAL TUBE OUTSIDE DIAMETER | 0.250 INCHES |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS |
| CRITICALITY CODE JUSTIFICATION | ZZZY |
| MANUFACTURERS CODE | 96169 |
| DESIGN CONTROL REFERENCE | MS51823-3SS |
Restrictions/Controls & Freight Information | NSN 4730-01-641-1540
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Electro-static Discharge Susceptible: | A | No known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity |
| Precious Metals Indicator Code: | A | Item does not contain precious metal |
| Criticality Code: | S | The item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel. |
| Automatic Data Processing Equipment: | 0 | Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9) |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||
Management | NSN 4730-01-641-1540
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 1H | Consumable material assigned to NAVICP MECH for inventory management Naval Inventory Control Point, Mechanicsburg |
| Special Material ID | L1 | An items that supports either a SUBSAFE or Level 1 system that has undergone the extreme material control and quality assurance techniques that provide objective exidence of its acceptance for its appropriate application. Each item has certification papers (or special markings that provide traceability to the certification) that pedigree its material and physical properties, provide traceability, to manufacturer, contract list and lot, and document the quality assurance system and test requirements applied to the item. |
| Source of Supply | NRP | NAVICP-ERP 700 Robbins Avenue Philadelphia, PA 19111-5098 |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Reparability | H | Depot Level Reparable |
| Acquisition Advice Codes | J | NOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |