The Seat,valve, cataloged under National Stock Number 4820-01-081-2628, 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 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-081-2628 |
| Primary Part Number | 237995 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 0.030 INCHES NOMINAL IN |
| Flange Diameter | 1.170 INCHES NOMINAL IN |
| Body Outside Diameter | 0.834 INCHES NOMINAL IN |
| Hardness Rating | 30.0 ROCKWELL C NOMINAL OVERALL |
| Style Designator | PLAIN FLANGED |
| Body Inside Diameter | 0.584 INCHES NOMINAL IN |
| Seat Radius | 0.031 INCHES NOMINAL IN |
| Under Flange Height | 0.020 INCHES NOMINAL IN |
| Material | COPPER ALLOY OVERALL |
| Seating Surface Shape | RADIAL |
| 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 |
|---|---|
| 237995 PRIMARY | Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems (USA) |
| Reference | Meaning |
|---|---|
| 17BV270 | C/1 Advisory reference — outside the item-of-supply concept Oshkosh Defense Llc |
| 17BV270 | 5/9 Secondary reference Oshkosh Corp |
NSN 4820-01-081-2628 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 4820-01-081-2628 has 1 manufacturer part number on file: 237995 (Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems).
Key specifications for 237995: Flange Seat to Disk End Height: 0.030 INCHES NOMINAL IN; Flange Diameter: 1.170 INCHES NOMINAL IN; Body Outside Diameter: 0.834 INCHES NOMINAL IN; Hardness Rating: 30.0 ROCKWELL C NOMINAL OVERALL. 10 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.