NSN 4730-00-181-9491 7M137, 7M137D202016, 7M137D20-20-16
Product Details | TUBE TO BOSS TEE
4730-00-181-9491 A fitting having three connections with the branch connection fixed at 90 degrees (1.5705 radians) to the run. The tube connection(s) has machine threads (straight threads other than pipe or hose series) designed to accommodate a tube, or is unthreaded and designed to accommodate a tube. The boss connection(s) 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 may have side inlet(s). It is used as a junction at the intersection of a tube or fitting and a boss or boss fitting on items such as a tank, housing, valve fitting, or the like. See also TEE, TUBE; and TEE, PIPE TO TUBE. Excludes CONNECTOR, MULTIPLE, FLUID PRESSURE LINE.
Part Alternates: 7M137, 7M137D202016, 7M137D20-20-16, 4730-00-181-9491, 00-181-9491, 4730001819491, 001819491
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 | 00-181-9491 | 22683 ( TEE, TUBE TO BOSS ) |
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Related Products | NSN 4730-00-181-9491
Technical Data | NSN 4730-00-181-9491
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY BODY |
| SURFACE TREATMENT | ANODIZE OVERALL |
| CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END THREADED EXTERNAL TUBE 2ND END THREADED INTERNAL BOSS 3RD END THREADED EXTERNAL TUBE 1ST END BULKHEAD |
| CONNECTION STYLE | B64 FLARED 1ST END B64 FLARED 2ND END B9 GASKET SEAL 3RD END |
| SEAT ANGLE | 37.0 DEGREES 1ST END 37.0 DEGREES 2ND END |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 1.250 INCHES 1ST END 1.250 INCHES 2ND END |
| THREAD SERIES DESIGNATOR | UNJ ALL ENDS UNJ 1ST END BULKHEAD |
| NOMINAL THREAD SIZE | 1.625 INCHES 1ST END 1.625 INCHES 2ND END 1.312 INCHES 3RD END 1.625 INCHES 2ND END BULKHEAD |
| THREAD QUANTITY PER INCH | 12 ALL ENDS 12 1ST END BULKHEAD |
| THREAD CLASS | 3A 1ST END 3A 2ND END 3B 3RD END 3A 1ST END BULKHEAD |
| LEG LENGTH | 3.054 INCHES NOMINAL 1ST END 2.273 INCHES NOMINAL 2ND END 1.742 INCHES NOMINAL 3RD END |
| SPECIFICATION/STANDARD DATA | 76301-7M137 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
Restrictions/Controls & Freight Information | NSN 4730-00-181-9491
| 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 |
|---|---|---|
| No Freight Information | ||