The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-128-9624, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4820-01-128-9624 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Material | NICKEL BODY |
| Media for Which Designed | OXYGEN, LIQUID |
| Reference Number Differentiating Characteristics | QUALITY CONTROLLED IN ACCORDANCE WITH NAVY LEVEL 1 ASSURANCE GUIDE,CLEANED IN ACCORDANCE WITH MIL-C-52211 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Reference | Meaning |
|---|---|
| 54360-1 | 3/1 Design control — primary reference U.S. Government activity |
| 58310 ITEM 2 | 5/1 Secondary reference U.S. Government activity |
| 54360-1C1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 58310 ITEM 2C1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
NSN 4820-01-128-9624 is a Valve,regulating,fluid Pressure, classified under FSC 4820, Valves, Nonpowered. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 7025-01-708-2201, 7010-01-710-2770. Verify interchangeability with system specifications before substitution.
Key specifications for 4820-01-128-9624: Criticality Code Justification: ZZZY; Material: NICKEL BODY; Media for Which Designed: OXYGEN, LIQUID; Reference Number Differentiating Characteristics: QUALITY CONTROLLED IN ACCORDANCE WITH NAVY LEVEL 1 ASSURANCE GUIDE,CLEANED IN ACCORDANCE WITH MIL-C-52211. 4 specifications are 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 4820-01-128-9624 has DEMIL Code B. 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.