The Ring,lower Seat, cataloged under National Stock Number 4820-01-090-8367, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Fisher Controls Co 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 | 4820-01-090-8367 |
| Primary Part Number | 11A9076X022 |
| Item Name | Ring,lower Seat |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Fisher Controls Co Inc |
| Status | ACTIVE |
| General Characteristics Item Description | MATL CRES,ASTM A351,TYPE 316,GRADE CF8M |
| 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 |
|---|---|
| 11A9076X022 PRIMARY | Fisher Controls Co Inc (USA) |
| 42A3444 PIECE 40 | Fisher Controls Co Inc (USA) |
NSN 4820-01-090-8367 is a Ring,lower Seat, manufactured by Fisher Controls Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-090-8367 has 2 manufacturer part numbers on file: 11A9076X022 (Fisher Controls Co Inc), 42A3444 PIECE 40 (Fisher Controls Co Inc).
Key specifications for 11A9076X022: General Characteristics Item Description: MATL CRES,ASTM A351,TYPE 316,GRADE CF8M. 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.
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.