NSN 4730-01-258-7486 AS4301K0604, KC106C64, KC106C6-4
Product Details | TUBE REDUCER
4730-01-258-7486 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: AS4301K0604, KC106C64, KC106C6-4, KC106K64, KC106K6-4, 4730-01-258-7486, 01-258-7486, 4730012587486, 012587486
Pipe, Tubing, Hose, and Fittings | Hose, Pipe, Tube, Lubrication, and Railing Fittings
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 47 | 08 JUL 1987 | 01-258-7486 | 08506 ( REDUCER, TUBE ) |
Drawings & Photos | NSN 4730-01-258-7486
Demand History | NSN 4730-01-258-7486
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| AS4301K0604 | 2025-08-240 | 30 | United States |
| AS4301K0604 | 2024-02-37 | 20 | United States |
| AS4301K0604 | 2023-03-83 | 1 | United States |
| AS4301K0604 | 2016-10-295 | 12 | United States |
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Technical Data | NSN 4730-01-258-7486
| 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 INTERNAL TUBE 1ST END THREADED EXTERNAL TUBE 2ND END |
| CONNECTION STYLE | B3 SWIVEL NUT, FLARE 1ST END B64 FLARED 2ND END |
| SEAT ANGLE | 37.0 DEGREES 1ST END 37.0 DEGREES 2ND END |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.375 INCHES 1ST END 0.250 INCHES 2ND END |
| THREAD SERIES DESIGNATOR | UNF 1ST END UNF 2ND END |
| NOMINAL THREAD SIZE | 0.172 INCHES 1ST END 0.438 INCHES 2ND END |
| THREAD CLASS | 3A 1ST END 3A 2ND END |
| NOMINAL OVERALL LENGTH | 0.969 INCHES |
| REDUCER TYPE | CONCENTRIC |
| SPECIAL FEATURES | KC106C6-4; MACHINED GROOVE IN FLARED ENDS TO ACCOMMODATE SEAL RINGS PER KC103 |
Restrictions/Controls & Freight Information | NSN 4730-01-258-7486
| 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 | ||