The Seat,valve, cataloged under National Stock Number 4820-01-281-9376, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-281-9376 |
| Primary Part Number | 63822001 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company |
| Status | ACTIVE |
| Style Designator | PLAIN |
| Material | PLASTIC SEAT |
| 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 |
|---|---|
| 63822001 PRIMARY | Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company (USA) |
| Reference | Meaning |
|---|---|
| 63822 | 5/9 Secondary reference Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company |
| 2337-1415 | D/9 Drawing number reference only Circor Aerospace, Inc. Dba Circle Seal Controls Use CAGE Code 91816 for Cataloging |
NSN 4820-01-281-9376 is a Seat,valve, manufactured by Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-281-9376 has 1 manufacturer part number on file: 63822001 (Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company).
1 possible match (shared part number, not a government interchangeability claim): 6940-01-493-9500. Verify interchangeability with system specifications before substitution.
Key specifications for 63822001: Style Designator: PLAIN; Special Features: USED ON 2 IN. BALL VALVE IN; Material: PLASTIC SEAT. 2 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.