The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-422-7776, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Nakakita Seisakusho Co. Ltd. Government technical data includes 10 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-422-7776 |
| Primary Part Number | NS 770 C |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Nakakita Seisakusho Co. Ltd |
| Status | ACTIVE |
| Flow Control Device | DIAPHRAGM |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| First End Style Designator | PLAIN |
| Temp Rating | 60.0 CELSIUS MAXIMUM DEGC |
| End Connection Quantity | 2 |
| Valve Loading Method | SPRING |
| First End Connection Type | THREADED INTERNAL PIPE |
| Maximum Inlet Pressure Rating | 0.0 NON-MERCURY ALTERNATIVE - MEDICAL PRODUCTS - FEEDING TUBES |
| Filter | INCLUDED |
| 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 |
|---|---|
| KC001820 | Nakakita Seisakusho Co. Ltd (JPN) |
| NS 770 C PRIMARY | Nakakita Seisakusho Co. Ltd (JPN) |
| Reference | Meaning |
|---|---|
| KC004553 | D/9 Drawing number reference only Nakakita Seisakusho Co. Ltd |
| KC001820 | 5/9 Secondary reference Nakakita Seisakusho Co. Ltd |
| NS 770 C | 3/9 Design control — primary reference Nakakita Seisakusho Co. Ltd |
NSN 4820-01-422-7776 is a Valve,regulating,fluid Pressure, manufactured by Nakakita Seisakusho Co. Ltd, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-422-7776 has 2 manufacturer part numbers on file: KC001820 (Nakakita Seisakusho Co. Ltd), NS 770 C (Nakakita Seisakusho Co. Ltd).
4 possible matches (shared part number, not a government interchangeability claim): 4820-01-422-7777, 4820-01-422-7784, 4820-01-425-6705. Verify interchangeability with system specifications before substitution.
Key specifications for NS 770 C: Flow Control Device: DIAPHRAGM; Second End Relationship with First End: IDENTICAL; Body Style: STRAIGHT THRU; First End Style Designator: PLAIN. 10 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.