NSN 4730-01-258-8644 AS4328K2004, KC144C204, KC144C20-4
Product Details | TUBE REDUCER
4730-01-258-8644 A straight tube fitting having a different size connection on each end. It is designed to join two tubes of different sizes. Excludes BUSHING (as modified).
Part Alternates: AS4328K2004, KC144C204, KC144C20-4, KC144K204, KC144K20-4, 4730-01-258-8644, 01-258-8644, 4730012588644, 012588644
Pipe, Tubing, Hose, and Fittings | Hose, Pipe, Tube, Lubrication, and Railing Fittings
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 47 | 09 JUL 1987 | 01-258-8644 | 08506 ( REDUCER, TUBE ) |
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Technical Data | NSN 4730-01-258-8644
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL COMP 316 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END THREADED EXTERNAL TUBE 2ND END |
| CONNECTION STYLE | B64 FLARED 1ST END B64 FLARED 2ND END |
| SEAT ANGLE | 37.0 DEGREES 1ST END 37.0 DEGREES 2ND END |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 1.250 INCHES 1ST END 0.250 INCHES 2ND END |
| THREAD SERIES DESIGNATOR | UN 1ST END UNF 2ND END |
| NOMINAL THREAD SIZE | 1.625 INCHES 1ST END 0.438 INCHES 2ND END |
| THREAD QUANTITY PER INCH | 12 1ST END |
| THREAD CLASS | 3A 1ST END 3A 2ND END |
| NOMINAL OVERALL LENGTH | 2.749 INCHES |
| REDUCER TYPE | CONCENTRIC |
| SPECIAL FEATURES | KC144C20-4; MACHINED GROOVE IN FLARED ENDS TO ACCOMMODATE SEAL RINGS PER KC103 |
| CRITICALITY CODE JUSTIFICATION | FEAT |
Restrictions/Controls & Freight Information | NSN 4730-01-258-8644
| 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: | Y | The item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||