The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-459-6197, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Swagelok Co. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-459-6197 |
| Primary Part Number | SS-3NKRVCO4-SC11 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Body Style | STRAIGHT THRU |
| Material | PLASTIC POLYCHLOROTRIFLUOROETHYLENE SEAT |
| Material | STEEL CORROSION RESISTING STEM |
| 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 |
|---|---|
| SS-3NKRVCO4-SC11 PRIMARY | Swagelok Co (USA) |
| 7245940 FIND 32 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 7245940 | D/9 Drawing number reference only Naval Sea Systems Command |
| SS-3NKRVCO4-SC11 | 5/9 Secondary reference Whitey Co |
| SS-3NKRVCO4-W1 | 5/9 Secondary reference Whitey Co |
NSN 4820-01-459-6197 is a Valve,regulating,fluid Pressure, manufactured by Swagelok Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-459-6197 has 2 manufacturer part numbers on file: SS-3NKRVCO4-SC11 (Swagelok Co), 7245940 FIND 32 (Naval Sea Systems Command).
4 possible matches (shared part number, not a government interchangeability claim): 4820-01-459-6788, 6685-01-461-0567, 4310-01-465-1507. Verify interchangeability with system specifications before substitution.
Key specifications for SS-3NKRVCO4-SC11: Body Style: STRAIGHT THRU; Special Features: 1/4 IN MALE VCO INLET AND OUTLET IN; End Item Identification: NHA AIR BOOSTER ASSY; NIMITZ CLASS CVN; Material: PLASTIC POLYCHLOROTRIFLUOROETHYLENE SEAT. 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.
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.