The Retainer,seat,valve, cataloged under National Stock Number 4820-01-473-1046, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-473-1046 |
| Primary Part Number | A07506.001.119 |
| Item Name | Retainer,seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| Status | ACTIVE |
| Valve Model Number for Which Designed | 1-1/2" X 1-1/2" RELIEF VALVE TYPE 2771 |
| Material Document and Classification | ASTM A-743 GR CF8 ASSN STD SINGLE MATERIAL RESPONSE |
| Valve Size for Which Designed | 1.500 INCHES IN |
| Valve Design Control Activity | 01343 |
| Material | STEEL |
| 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 |
|---|---|
| A07506.001.119 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| SW138-21 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| Reference | Meaning |
|---|---|
| SW138 | D/9 Drawing number reference only Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
NSN 4820-01-473-1046 is a Retainer,seat,valve, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-473-1046 has 2 manufacturer part numbers on file: A07506.001.119 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), SW138-21 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).
Key specifications for A07506.001.119: Valve Model Number for Which Designed: 1-1/2" X 1-1/2" RELIEF VALVE TYPE 2771; Material Document and Classification: ASTM A-743 GR CF8 ASSN STD SINGLE MATERIAL RESPONSE; Valve Size for Which Designed: 1.500 INCHES IN; Special Features: MFR'S PART NAME IS "WARN RING"; ITEM IS ADJUSTABLE TO FIT NUMEROUS VALVES. 5 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.