The Reducer,pipe, cataloged under National Stock Number 4730-00-620-9315, 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 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-620-9315 |
| Primary Part Number | 8526817 |
| Item Name | Reducer,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Connection Style | PLAIN (PIPE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Nominal Overall Length | 1.690 INCHES IN |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Nominal Thread Size | 0.375 INCHES SECOND END IN |
| Nominal Thread Size | 0.500 INCHES FIRST END IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | NPTF ALL ENDS |
| Reducer Type | CONCENTRIC |
| 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 |
|---|---|
| 3221X8X6 | Danfoss Power Solutions II, Llc (USA) |
| 8526817 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 1-2X3-8PMFSS | 5/9 Secondary reference Deutsch Co the |
| 3221X8X6 | 5/9 Secondary reference Dana Corp Weatherhead Div |
| 61B1178-1 | 5/9 Secondary reference Beech Aircraft Corp Sub of Raytheon Co |
| 8169002 | D/9 Drawing number reference only Us Army Aviation and Missile Command |
| 8526817 | 5/9 Secondary reference Deutsch Co the |
NSN 4730-00-620-9315 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 4730-00-620-9315 has 2 manufacturer part numbers on file: 3221X8X6 (Danfoss Power Solutions II, Llc), 8526817 (Us Army Aviation and Missile Command).
Key specifications for 8526817: Connection Style: PLAIN (PIPE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Nominal Overall Length: 1.690 INCHES IN; Connection Type: THREADED INTERNAL PIPE FIRST END. 11 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.