The Valve,vacuum Regulating, cataloged under National Stock Number 4820-01-213-1918, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Mission Systems Orchard Park Inc. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-213-1918 |
| Primary Part Number | F285-1211-1 |
| Item Name | Valve,vacuum Regulating |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Mission Systems Orchard Park Inc |
| Status | ACTIVE |
| Flow Control Device | STEM AND INTEGRAL DISK |
| First End Thread Direction | RIGHT-HAND |
| Temp Rating | 150.0 FAHRENHEIT DEGF |
| Second End Relationship with First End | IDENTICAL |
| First End Style Designator | PLAIN |
| End Connection Quantity | 2 |
| Body Material | COPPER ALLOY 922 |
| First End Connection Type | THREADED INTERNAL PIPE |
| Temp Adjustability | NOT ADJUSTABLE |
| First End Nominal Pipe Size Accommodated | 1.500 INCHES IN |
| Material | COPPER ALLOY STEM |
| Media for Which Designed | OXYGEN |
| 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 |
|---|---|
| F285-1211-1 | Mission Systems Orchard Park Inc (USA) |
| Reference | Meaning |
|---|---|
| 1172AS126-1 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| FIG504-1 1/2 | 3/9 Design control — primary reference Jenkins Bros |
NSN 4820-01-213-1918 is a Valve,vacuum Regulating, manufactured by Mission Systems Orchard Park Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-213-1918 has 1 manufacturer part number on file: F285-1211-1 (Mission Systems Orchard Park Inc).
Key specifications for F285-1211-1: Flow Control Device: STEM AND INTEGRAL DISK; First End Thread Direction: RIGHT-HAND; Temp Rating: 150.0 FAHRENHEIT DEGF; Second End Relationship with First End: IDENTICAL. 12 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.