The Valve Stem Assembly, cataloged under National Stock Number 4820-01-281-7850, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Elliott Company Div Jeannette. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-281-7850 |
| Primary Part Number | 8Y0294-4 |
| Item Name | Valve Stem Assembly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Elliott Company Div Jeannette |
| Status | ACTIVE |
| General Characteristics Item Description | 1 STEM; 1 DISK; 1 PIN |
| 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 |
|---|---|
| 8Y0294-4 PRIMARY | Elliott Company Div Jeannette (USA) |
| Reference | Meaning |
|---|---|
| 8W0186 | D/9 Drawing number reference only Elliott Company Div Jeannette |
| 8W0186 ITEM 20 | 5/9 Secondary reference Elliott Company Div Jeannette |
NSN 4820-01-281-7850 is a Valve Stem Assembly, manufactured by Elliott Company Div Jeannette, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-281-7850 has 1 manufacturer part number on file: 8Y0294-4 (Elliott Company Div Jeannette).
Key specifications for 8Y0294-4: General Characteristics Item Description: 1 STEM; 1 DISK; 1 PIN; End Item Identification: ELLIOTT MODEL 44BH-2 BLOWER. 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.