NSN 4730-00-451-6056 MS21924W4, AS18280, AS21924
Product Details | TUBE TO BOSS STRAIGHT ADAPTER
4730-00-451-6056 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: MS21924W4, AS18280, AS21924, 4730-00-451-6056, 00-451-6056, 4730004516056, 004516056
Pipe, Tubing, Hose, and Fittings | Hose, Pipe, Tube, Lubrication, and Railing Fittings
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 47 | 02 JUN 1971 | 00-451-6056 | 22675 ( ADAPTER, STRAIGHT, TUBE TO BOSS ) |
Demand History | NSN 4730-00-451-6056
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 4730-00-451-6056 | 2025-05-125 | 488 | DIBBS |
| 4730-00-451-6056 | 2025-04-114 | 488 | DIBBS |
| 4730-00-451-6056 | 2023-08-229 | 383 | DIBBS |
| 4730-00-451-6056 | 2022-03-76 | 633 | DIBBS |
| 4730-00-451-6056 | 2019-01-13 | 661 | DIBBS |
| 4730-00-451-6056 | 2016-07-193 | 1004 | DIBBS |
| 4730-00-451-6056 | 2015-07-186 | 625 | DIBBS |
| AS18280 | 2014-10-280 | 1 | US |
| 4730-00-451-6056 | 2013-11-326 | 443 | DIBBS |
| 4730-00-451-6056 | 2013-05-140 | 275 | DIBBS |
| 4730-00-451-6056 | 2013-05-125 | 275 | DIBBS |
| 4730-00-451-6056 | 2010-06-162 | 1 | US |
| 4730-00-451-6056 | 2010-05-133 | 511 | DIBBS |
| MS21924W4 | 2010-04-95 | 1 | Seychelles |
| 4730-00-451-6056 | 2009-08-219 | 395 | DIBBS |
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Technical Data | NSN 4730-00-451-6056
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY 7075 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/9,T73 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | ANODIZE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 135.0 DEG CELSIUS SINGLE RESPONSE |
| CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END THREADED EXTERNAL BOSS 2ND END |
| CONNECTION STYLE | B66 FLARELESS 1ST END B71A EXTERNAL SEAT FOR GASKET SEAL 2ND END |
| SEAT ANGLE | 12.0 DEGREES 1ST END |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES 1ST END |
| THREAD SERIES DESIGNATOR | UNJF ALL ENDS UNJF CENTER BULKHEAD |
| NOMINAL THREAD SIZE | 0.438 INCHES ALL ENDS 0.438 INCHES CENTER BULKHEAD |
| THREAD CLASS | 3A ALL ENDS 3A CENTER BULKHEAD |
| NOMINAL OVERALL LENGTH | 1.656 INCHES |
| SPECIFICATION/STANDARD DATA | 96906-MS21924 GOVERNMENT STANDARD |
Restrictions/Controls & Freight Information | NSN 4730-00-451-6056
| Category | Code | Description |
|---|---|---|
| Shelf-Life Code: | 0 | Nondeteriorative |
| 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. |
| Controlled Inventory Item Code: | U | UNCLASSIFIED |
| Precious Metals Indicator Code: | U | Precious 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 |
|---|---|---|
| NMF Description | 051140 | HOSE:NOI TUBING |
| Less than car load rating | ||
| Less than truck load rating | W | Rating Variable |
| Water commodity Code | 846 | 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 4730-00-451-6056
| 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 | Y | TERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |



