The Valve,restrictor Check, cataloged under National Stock Number 4820-00-774-8294, 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. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Valve,restrictor Check |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Komatsu America Corp. (CAGE 0SAT8); Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems (CAGE 06853); Dana Off Highway Products, Llc (CAGE 77237) |
| Parameter | Value |
|---|---|
| NSN | 4820-00-774-8294 |
| Primary Part Number | 278596N |
| Item Name | Valve,restrictor Check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems |
| 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 |
|---|---|
| 606182C91 | Komatsu America Corp. (USA) |
| 278596N PRIMARY | Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems (USA) |
| 301-SR-739 | Dana Off Highway Products, Llc (USA) |
| Reference | Meaning |
|---|---|
| 301-SR-739 | 5/9 Secondary reference Vme Americas Inc Sub of Vme Group N V |
| 606182C91 | 5/9 Secondary reference Komatsu American Intl Co |
| 278596 | 5/9 Secondary reference Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems |
| 167968R91 | 5/9 Secondary reference U.S. Government activity |
| 23-K-41 | C/1 Advisory reference — outside the item-of-supply concept Minnpar, Llc Dba Minnpar |
| 227240 | 5/9 Secondary reference Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems |
| 23-K-41 | 5/9 Secondary reference Barber-Greene Co |
NSN 4820-00-774-8294 is a Valve,restrictor Check, manufactured by Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-774-8294 has 3 manufacturer part numbers on file: 606182C91 (Komatsu America Corp.), 278596N (Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems), 301-SR-739 (Dana Off Highway Products, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-298-4721. 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.