NSN 4730-00-978-6976 MS21915208C, MS21915-20-8C, 00-978-6976
Product Details | BOSS REDUCER
4730-00-978-6976 A straight fitting having a boss connection of a different size at each end. Both connections have external or internal machine threads (straight threads other than pipe or hose series) and are designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. Excludes BUSHING (as modified).
Part Alternates: MS21915208C, MS21915-20-8C, 4730-00-978-6976, 00-978-6976, 4730009786976, 009786976
Pipe, Tubing, Hose, and Fittings | Hose, Pipe, Tube, Lubrication, and Railing Fittings
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 47 | 01 JAN 1962 | 00-978-6976 | 23541 ( REDUCER, BOSS ) |
Cross Reference | NSN 4730-00-978-6976
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| MS21915-20-8C | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS |
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Technical Data | NSN 4730-00-978-6976
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| SURFACE TREATMENT | PASSIVATE INSIDE PASSIVATE OUTSIDE |
| CONNECTION TYPE | THREADED INTERNAL BOSS 1ST END THREADED EXTERNAL BOSS 2ND END |
| CONNECTION STYLE | B9 GASKET SEAL 1ST END B71A EXTERNAL SEAT FOR GASKET SEAL 2ND END |
| THREAD SERIES DESIGNATOR | UNJF 1ST END UNJ 2ND END |
| NOMINAL THREAD SIZE | 1.625 INCHES 1ST END 0.750 INCHES 2ND END |
| THREAD QUANTITY PER INCH | 12 1ST END |
| THREAD CLASS | 3B 1ST END 3A 2ND END |
| NOMINAL OVERALL LENGTH | 2.078 INCHES |
| REDUCER TYPE | CONCENTRIC |
| MANUFACTURERS CODE | 96906 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS21915-20-8C |
Restrictions/Controls & Freight Information | NSN 4730-00-978-6976
| 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. |
| 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 | 052190 | PIPE,TUBING,OR PIPE OR TUBING FITTI |
| Less than car load rating | U | 50 |
| Less than truck load rating | W | Rating Variable |
| Water commodity Code | 576 | 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 |