The Valve,exhaust Control, cataloged under National Stock Number 4820-01-182-9161, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Longwood Elastomers Inc Affil of Longwood Industries. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Valve,exhaust Control |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Caterpillar Inc Div Caterpillar Defense (CAGE 11083); Longwood Elastomers Inc Affil of Longwood Industries (CAGE 54690) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-182-9161 |
| Primary Part Number | KSV4040731 |
| Item Name | Valve,exhaust Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Longwood Elastomers Inc Affil of Longwood Industries |
| Status | ACTIVE |
| 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 |
|---|---|
| 6G0593 | Caterpillar Inc Div Caterpillar Defense (USA) |
| KSV4040731 PRIMARY | Longwood Elastomers Inc Affil of Longwood Industries (USA) |
| Reference | Meaning |
|---|---|
| 6G593 | C/1 Advisory reference — outside the item-of-supply concept Caterpillar Inc Div Caterpillar Defense |
NSN 4820-01-182-9161 is a Valve,exhaust Control, manufactured by Longwood Elastomers Inc Affil of Longwood Industries, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-182-9161 has 2 manufacturer part numbers on file: 6G0593 (Caterpillar Inc Div Caterpillar Defense), KSV4040731 (Longwood Elastomers Inc Affil of Longwood Industries).
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.