The Valve Assembly,suc, cataloged under National Stock Number 4820-01-265-3159, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Austin-Westran Llc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Valve Assembly,suc |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Austin-Westran Llc (CAGE 24234); Am General Llc (CAGE 9C234); Am General Llc (CAGE 34623) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-265-3159 |
| Primary Part Number | 540196 |
| Item Name | Valve Assembly,suc |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Austin-Westran Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 540196 PRIMARY | Austin-Westran Llc (USA) |
| 5597547 | Am General Llc (USA) |
| 5597547 | Am General Llc (USA) |
| Reference | Meaning |
|---|---|
| 404187 | D/9 Drawing number reference only Austin-Westran Llc |
| 5597546 | D/9 Drawing number reference only Am General Llc |
| 404188 | 5/9 Secondary reference Austin-Westran Llc |
NSN 4820-01-265-3159 is a Valve Assembly,suc, manufactured by Austin-Westran Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-265-3159 has 3 manufacturer part numbers on file: 540196 (Austin-Westran Llc), 5597547 (Am General Llc), 5597547 (Am General Llc).
2 possible matches (shared part number, not a government interchangeability claim): 5331-01-365-4409, 6750-01-427-5188. Verify interchangeability with system specifications before substitution.
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.