NSN 4730-01-379-2793 F181003 REV - ITEM NO.4 , F181003REVITEMNO4, 20F50XSS
Product Details | TUBE TO BOSS STRAIGHT ADAPTER
4730-01-379-2793 An adapter having machine threads (straight threads other than pipe or hose series) designed to accommodate a tube on one end or an unthreaded end designed to accommodate a tube. The other end has external or internal machine threads (straight threads other than pipe or hose series) and is designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. It is designed to join a tube or tube fitting to a boss or boss fitting in a straight line on items such as tanks, housings, valve fittings, and the like. See also COUPLING, TUBE and NIPPLE, TUBE.
Part Alternates: F181003 REV - ITEM NO.4 , F181003REVITEMNO4, 20F50XSS, 4730-01-379-2793, 01-379-2793, 4730013792793, 013792793
Pipe, Tubing, Hose, and Fittings | Hose, Pipe, Tube, Lubrication, and Railing Fittings
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 47 | 30 AUG 1993 | 01-379-2793 | 22675 ( ADAPTER, STRAIGHT, TUBE TO BOSS ) |
Demand History | NSN 4730-01-379-2793
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 20 F5OX-SS | 2025-09-247 | 17 | DIBBS |
| 20F50XSS | 2025-09-247 | 17 | DIBBS |
| F181003 REV - ITEM NO.4 | 2025-09-247 | 17 | DIBBS |
| 20F50XSS | 2019-05-136 | 7 | DIBBS |
| F181003 REV - ITEM NO.4 | 2019-05-136 | 7 | DIBBS |
| 4730-01-379-2793 | 2013-03-66 | 1 | United States |
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Technical Data | NSN 4730-01-379-2793
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END THREADED EXTERNAL BOSS 2ND END |
| CONNECTION STYLE | B64 FLARED 1ST END B71 EXTERNAL SEAT FOR GASKET SEAL 2ND END |
| SEAT ANGLE | 37.0 DEGREES 1ST END |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 1.250 INCHES 1ST END |
| THREAD SERIES DESIGNATOR | UNF 1ST END UNF 2ND END |
| NOMINAL THREAD SIZE | 1.625 INCHES 1ST END 1.625 INCHES 2ND END |
| THREAD CLASS | A2A 1ST END 2A 2ND END |
| NOMINAL OVERALL LENGTH | 2.170 INCHES |
| FURNISHED ITEMS AND QUANTITY | 1 PREFORMED PACKING |
Restrictions/Controls & Freight Information | NSN 4730-01-379-2793
| 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: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| 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 4730-01-379-2793
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9B | Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| 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 |