The Retainer,disk,valve, cataloged under National Stock Number 4820-01-452-5635, 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 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-452-5635 |
| Primary Part Number | 07089.006.142 |
| Item Name | Retainer,disk,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 | 1771-T |
| Outside Diameter | 2.809 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A479 ASSN STD SINGLE MATERIAL RESPONSE |
| Valve Size for Which Designed | 2.500 INCHES IN |
| Inside Diameter | 1.062 INCHES NOMINAL IN |
| Valve Design Control Activity | 01343 |
| Material | STEEL COMP 316 |
| 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 |
|---|---|
| 07089.006.142 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| SW131 FIND 6B | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| Reference | Meaning |
|---|---|
| MH102 FIND NO.6B | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| A07089.006.142 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| MH102 | D/9 Drawing number reference only Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
NSN 4820-01-452-5635 is a Retainer,disk,valve, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-452-5635 has 2 manufacturer part numbers on file: 07089.006.142 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), SW131 FIND 6B (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-560-9148. Verify interchangeability with system specifications before substitution.
Key specifications for 07089.006.142: Valve Model Number for Which Designed: 1771-T; Outside Diameter: 2.809 INCHES NOMINAL IN; Material Document and Classification: ASTM A479 ASSN STD SINGLE MATERIAL RESPONSE; Overall Length: 2.809 INCHES NOMINAL IN. 7 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.