The Operator,manual Remote, cataloged under National Stock Number 4820-01-546-7938, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-546-7938 |
| Primary Part Number | 7383858-A301 |
| Item Name | Operator,manual Remote |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 7383858-A301D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 501-7108144-MRO-82D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| H525-7209-MRO-82D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| H547-0001-A301D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 7383858-A301 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| H547-0001-A301 | 5/1 Secondary reference U.S. Government activity |
| 501-7108144-MRO-82 | 5/1 Secondary reference Naval Sea Systems Command |
| H525-7209-MRO-82 | 5/1 Secondary reference U.S. Government activity |
NSN 4820-01-546-7938 is a Operator,manual Remote, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-546-7938 has 5 manufacturer part numbers on file: 7383858-A301D4 (Naval Inventory Control Point Mechanicsburg), 501-7108144-MRO-82D4 (Naval Inventory Control Point Mechanicsburg), H525-7209-MRO-82D4 (Naval Inventory Control Point Mechanicsburg), H547-0001-A301D4 (Naval Inventory Control Point Mechanicsburg), 7383858-A301 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-654-8979. Verify interchangeability with system specifications before substitution.
Key specifications for 7383858-A301: Criticality Code Justification: FEAT; Special Features: QUALITY ASSURANCE TESTED AND CERTIFIED FOR DEEP SUBMERGENCE SYSTEMS; Part Name Assigned by Controlling Agency: OPERATOR MANUAL REMOTE - 59211DC82 MRO FOR VALVE SDA-082. 1 specification is 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.
NSN 4820-01-546-7938 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.