The Reducer,pipe, cataloged under National Stock Number 4730-00-455-8926, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-455-8926 |
| Primary Part Number | 10159065 |
| Item Name | Reducer,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 LOCKNUT AND 1 LOCKNUT AND 1 LOCK WASHER1 LOCK WASHER |
| Connection Style | PLAIN (PIPE) FIRST ENDPLAIN (PIPE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND ENDPLAIN (PIPE) SECOND END |
| Nominal Overall Length | 2.156 INCHES2.156 INCHES IN |
| Connection Type | THREADED EXTERNAL PIPE SECOND ENDTHREADED EXTERNAL PIPE SECOND END |
| Connection Type | THREADED INTERNAL PIPE FIRST ENDTHREADED INTERNAL PIPE FIRST END |
| Material Document and Classification | QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALLQQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.250 INCHES FIRST END0.250 INCHES FIRST END IN |
| Nominal Thread Size | 0.500 INCHES SECOND END0.500 INCHES SECOND END IN |
| Nominal Thread Size | 0.750 INCHES FIRST END BULKHEAD0.750 INCHES FIRST END BULKHEAD IN |
| Thread Class | 2A FIRST END BULKHEAD2A FIRST END BULKHEAD A |
| Material | COPPER ALLOY OVERALLCOPPER ALLOY OVERALL |
| Thread Series Designator | NPT ALL ENDSNPT ALL ENDS |
| Thread Series Designator | UNF FIRST END BULKHEADUNF FIRST END BULKHEAD |
| Reducer Type | CONCENTRICCONCENTRIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 10159065 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 130-B SIZE1/2X1/4X2 5/32 | 5/9 Secondary reference Imperial |
NSN 4730-00-455-8926 is a Reducer,pipe, manufactured by Us Army Aviation and Missile Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-455-8926 has 1 manufacturer part number on file: 10159065 (Us Army Aviation and Missile Command).
1 possible match (shared part number, not a government interchangeability claim): 2915-01-152-9955. Verify interchangeability with system specifications before substitution.
Key specifications for 10159065: Furnished Items and Quantity: 1 LOCKNUT AND 1 LOCKNUT AND 1 LOCK WASHER1 LOCK WASHER; Connection Style: PLAIN (PIPE) FIRST ENDPLAIN (PIPE) FIRST END; Connection Style: PLAIN (PIPE) SECOND ENDPLAIN (PIPE) SECOND END; Nominal Overall Length: 2.156 INCHES2.156 INCHES IN. 16 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.