The Valve,pneumatic Tank, cataloged under National Stock Number 4820-01-655-9077, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is W & O Supply Inc. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-655-9077 |
| Primary Part Number | 4GPDENF0K-CFJ |
| Item Name | Valve,pneumatic Tank |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | W & O Supply Inc |
| Status | ACTIVE |
| First End Bolt Hole Quantity | 4 |
| Flow Control Device | PISTON, SPRING LOADED |
| Temp Rating | 100.0 CELSIUS DEGC |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| Face to Face Distance | 11.811 INCHES NOMINAL IN |
| First End Flange Thickness | 0.945 INCHES NOMINAL IN |
| First End Flange Outside Diameter | 8.661 INCHES NOMINAL IN |
| Third End Relationship with Preceding Ends | IDENTICAL WITH FIRST END |
| First End Style Designator | PLAIN |
| Supplementary Features | P/N BREAKDOWN: 4 INCH PNEUMATIC ACTION, BRONZE BODY/VITON SEAL, ACTUATOR TYPE: 0.21 TO 1.03 BAR COMMAND SIGNAL WITH MANUAL OVERRIDE; ACUTATOR PORT THREADING - NPT; VALVE ACTION WITH RISING TEMPERATURE: CLOCKWISE PORT 3 TO PORT 1 180 DEG, REVERSE IN |
| First End Bolt Hole Diameter | 0.700 INCHES NOMINAL IN |
| End Connection Quantity | 3 |
| First End Connection Type | PLAIN FACE FLANGE |
| First End Flange Shape Style | ROUND W/ BOLT HOLES |
| First End Nominal Pipe Size Accommodated | 4.000 INCHES IN |
| Material | COPPER ALLOY BODY |
| 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 |
|---|---|
| 4GPDENF0K-CFJ | W & O Supply Inc (USA) |
| Reference | Meaning |
|---|---|
| 4GPDENF0K-CFJ | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-655-9077 is a Valve,pneumatic Tank, manufactured by W & O Supply Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-655-9077 has 1 manufacturer part number on file: 4GPDENF0K-CFJ (W & O Supply Inc).
Key specifications for 4GPDENF0K-CFJ: First End Bolt Hole Quantity: 4; Flow Control Device: PISTON, SPRING LOADED; Temp Rating: 100.0 CELSIUS DEGC; Second End Relationship with First End: IDENTICAL. 17 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.