The Valve,check, cataloged under National Stock Number 4820-01-456-7924, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Inov8v Marine Group Incorporated. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-456-7924 |
| Primary Part Number | 56.00060.C |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Inov8v Marine Group Incorporated |
| Status | ACTIVE |
| Media for Which Designed | OIL, HYDRAULIC SINGLE RESPONSE |
| 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 |
|---|---|
| 56.00060.C PRIMARY | Inov8v Marine Group Incorporated (USA) |
| Reference | Meaning |
|---|---|
| 5600060 | 5/9 Secondary reference Inov8v Marine Group Incorporated |
| 56.00060.0 | 5/9 Secondary reference Inov8v Marine Group Incorporated |
NSN 4820-01-456-7924 is a Valve,check, manufactured by Inov8v Marine Group Incorporated, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-456-7924 has 1 manufacturer part number on file: 56.00060.C (Inov8v Marine Group Incorporated).
1 possible match (shared part number, not a government interchangeability claim): 9390-01-574-5727. Verify interchangeability with system specifications before substitution.
Key specifications for 56.00060.C: Special Features: PILOT OPERATED CHECK VALVE; PART OF THE VALVE PACK OF THE HYDRAULIC POWER UNIT OF THE M8 HOIST FOR SERIES 3000 SCANNING SONAR; Media for Which Designed: OIL, HYDRAULIC SINGLE RESPONSE; End Item Identification: SCANNING SONAR, WESMAR DEFENSE PRODUCTS, SERIES 3000. 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.
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.