The Reducer,pipe, cataloged under National Stock Number 4730-01-551-3973, 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 Everllence Usa Inc.. Government technical data includes 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-551-3973 |
| Primary Part Number | 12Y4JC40822A |
| Item Name | Reducer,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Everllence Usa Inc. |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 12Y4JC40822A | Viking Incorporated Dba Viking Inc (USA) |
| 12Y4JC40822A PRIMARY | Everllence Usa Inc. (USA) |
NSN 4730-01-551-3973 is a Reducer,pipe, manufactured by Everllence Usa Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-551-3973 has 2 manufacturer part numbers on file: 12Y4JC40822A (Viking Incorporated Dba Viking Inc), 12Y4JC40822A (Everllence Usa Inc.).
Key specifications for 12Y4JC40822A: Criticality Code Justification: AGAV; Special Features: THIS PIPE ADAPTER IS PART OF THE PAXMAN DIESEL ENGINE VALENTA MODEL 16RP200M NSN 2815-99-739-4949,USED ON NAVY PC CLASS OF SHIPS AND COAST GUARD ISLAND CLASS PATROL CRAFT; Part Name Assigned by Controlling Agency: PIPE ADAPTER; End Item Identification: DIESEL ENGINE 16RP200M. 1 specification is 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.
NSN 4730-01-551-3973 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.