The Retainer,seat,valve, cataloged under National Stock Number 4820-01-110-7658, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Eaton Aerospace Llc. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-110-7658 |
| Primary Part Number | 90P808-S |
| Item Name | Retainer,seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Eaton Aerospace Llc |
| Status | ACTIVE |
| Material Document and Classification | QQ-N-281 ASSN STD 1ST MATERIAL RESPONSE |
| Valve Design Control Activity | 77842 |
| Material | NICKEL ALLOY |
| 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 |
|---|---|
| 190000 PIECE 7 | Eaton Corporation Dba Eaton Inoac Div Eaton (USA) |
| 90P808-S PRIMARY | Eaton Aerospace Llc (USA) |
| Reference | Meaning |
|---|---|
| 90P808-S | 5/9 Secondary reference Eaton Corporation Dba Eaton Inoac Div Eaton |
| 190000 | D/9 Drawing number reference only Eaton Corporation Dba Eaton Inoac Div Eaton |
NSN 4820-01-110-7658 is a Retainer,seat,valve, manufactured by Eaton Aerospace Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-110-7658 has 2 manufacturer part numbers on file: 190000 PIECE 7 (Eaton Corporation Dba Eaton Inoac Div Eaton), 90P808-S (Eaton Aerospace Llc).
Key specifications for 90P808-S: Material Document and Classification: QQ-N-281 ASSN STD 1ST MATERIAL RESPONSE; Valve Design Control Activity: 77842; Material: NICKEL ALLOY. 3 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.