The Seat,valve, cataloged under National Stock Number 4820-00-427-3576, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-00-427-3576 |
| Primary Part Number | 241586 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems |
| Status | ACTIVE |
| Body Outside Diameter | 1.367 INCHES NOMINAL IN |
| Seal Accommodation Type | GROOVED |
| Style Designator | PLAIN |
| Body Inside Diameter | 0.375 INCHES NOMINAL IN |
| Material | PLASTIC ACETAL OVERALL |
| Seating Surface Shape | FLAT |
| 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 |
|---|---|
| 241586 PRIMARY | Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems (USA) |
| A241586 | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| 187976 | 5/9 Secondary reference U.S. Government activity |
| 172873R1 | 5/2 Secondary reference U.S. Government activity |
NSN 4820-00-427-3576 is a Seat,valve, manufactured by Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-427-3576 has 2 manufacturer part numbers on file: 241586 (Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems), A241586 (Raytheon Company Dba Raytheon Co).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-084-4432. Verify interchangeability with system specifications before substitution.
Key specifications for 241586: Overall Height: 1.469 INCHES NOMINAL IN; Body Outside Diameter: 1.367 INCHES NOMINAL IN; Seal Accommodation Type: GROOVED; Style Designator: PLAIN. 6 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.