The Valve,pneumatic Tank, cataloged under National Stock Number 4820-00-477-7953, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is The Skydyne Company. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-477-7953 |
| Primary Part Number | SKM315 |
| Item Name | Valve,pneumatic Tank |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | The Skydyne Company |
| Status | ACTIVE |
| Flow Control Device | DISK, FLAT |
| First End Thread Direction | RIGHT-HAND |
| Body Style | STRAIGHT THRU |
| First End Thread Class | 2A A |
| First End Style Designator | EXTERNAL SEAT FOR GASKET SEAL |
| End Connection Quantity | 1 |
| First End Connection Type | THREADED EXTERNAL BOSS |
| Surface Treatment | NICKEL OUTSIDE |
| Material | COPPER ALLOY BODY |
| Material | RUBBER FLOW CONTROL DEVICE |
| Furnished Items | GASKET AND NUT |
| 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 |
|---|---|
| SKM315 PRIMARY | The Skydyne Company (USA) |
NSN 4820-00-477-7953 is a Valve,pneumatic Tank, manufactured by The Skydyne Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-477-7953 has 1 manufacturer part number on file: SKM315 (The Skydyne Company).
Key specifications for SKM315: Flow Control Device: DISK, FLAT; First End Thread Direction: RIGHT-HAND; Body Style: STRAIGHT THRU; First End Thread Class: 2A A. 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.