The Valve,vacuum Regulating, cataloged under National Stock Number 4820-01-703-2237, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 9 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-703-2237 |
| Primary Part Number | 48935K25 |
| Item Name | Valve,vacuum Regulating |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| First End Thread Series Designator | NPT |
| Temp Rating | -15.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF |
| Body Style | SINGLE CONNECTION |
| Face to Face Distance | 1.750 INCHES NOMINAL IN |
| First End Style Designator | PLAIN |
| End Connection Quantity | 1 |
| Body Material | COPPER ALLOY |
| First End Connection Type | THREADED EXTERNAL PIPE |
| First End Nominal Thread Size | 0.250 INCHES IN |
| 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 |
|---|---|
| 48935K25 PRIMARY | Mcmaster-Carr Supply Co (USA) |
NSN 4820-01-703-2237 is a Valve,vacuum Regulating, manufactured by Mcmaster-Carr Supply Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-703-2237 has 1 manufacturer part number on file: 48935K25 (Mcmaster-Carr Supply Co).
Key specifications for 48935K25: First End Thread Series Designator: NPT; Temp Rating: -15.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF; Body Style: SINGLE CONNECTION; Face to Face Distance: 1.750 INCHES NOMINAL IN. 9 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.