The Valve,vacuum Regulating, cataloged under National Stock Number 4820-00-134-4531, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Textron Aviation Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-00-134-4531 |
| Primary Part Number | C482001-0101 |
| Item Name | Valve,vacuum Regulating |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Textron Aviation Inc |
| Status | ACTIVE |
| Flow Control Device | DISK, FLAT, BOTTOM GUIDED |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| First End Style Designator | PLAIN |
| End Connection Quantity | 2 |
| Body Material | ALUMINUM ALLOY |
| Temp Adjustability | NOT ADJUSTABLE |
| First End Nominal Pipe Size Accommodated | 0.375 INCHES IN |
| Material | PLASTIC FLOW CONTROL DEVICE |
| Material | ALUMINUM ALLOY SEAT |
| Media for Which Designed | AIR |
| 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 |
|---|---|
| C482001-0101 PRIMARY | Textron Aviation Inc (USA) |
| Reference | Meaning |
|---|---|
| C482001 | D/9 Drawing number reference only Cessna Aircraft Company Dba Textron Aviation |
| C482001-0101 | 3/9 Design control — primary reference Cessna Aircraft Company Dba Textron Aviation |
NSN 4820-00-134-4531 is a Valve,vacuum Regulating, manufactured by Textron Aviation Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-134-4531 has 1 manufacturer part number on file: C482001-0101 (Textron Aviation Inc).
Key specifications for C482001-0101: Flow Control Device: DISK, FLAT, BOTTOM GUIDED; Second End Relationship with First End: IDENTICAL; Body Style: STRAIGHT THRU; First End Style Designator: PLAIN. 11 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.