The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-046-5599, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-046-5599 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-P-23377 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE |
| Supplementary Features | APPL TO SHUTOFF VALVE,HYD PIPING,F-16C/D AIRCRAFT |
| Surface Treatment | PLASTIC EPOXY AND PRIMER OUTSIDE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 4820PL1719514 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 16VH012-1 | 7/2 Vendor item drawing reference U.S. Government activity |
| 56660 | 3/2 Design control — primary reference U.S. Government activity |
| 4820PL0566693 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 4820-01-046-5599 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): 5210-01-106-0055, 4310-01-696-0084. Verify interchangeability with system specifications before substitution.
Key specifications for 4820-01-046-5599: Surface Treatment Document and Classification: MIL-P-23377 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE; Supplementary Features: APPL TO SHUTOFF VALVE,HYD PIPING,F-16C/D AIRCRAFT; Surface Treatment: PLASTIC EPOXY AND PRIMER OUTSIDE. 3 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 4820-01-046-5599 has DEMIL Code Q. 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.