The Valve,pressure Equalizing,gaseou, cataloged under National Stock Number 4820-01-113-1360, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Waukesha Bearings Corporation. Government technical data includes 10 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 | 4820-01-113-1360 |
| Primary Part Number | C-991-407-15 |
| Item Name | Valve,pressure Equalizing,gaseou |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Waukesha Bearings Corporation |
| Status | ACTIVE |
| Flow Control Device | DISK, LIFT |
| First End Thread Direction | RIGHT-HAND |
| Body Style | LOW OR MEDIUM PRESSURE (SCREWED) |
| First End Style Designator | PLAIN |
| End Connection Quantity | 1 |
| Valve Venting Design Type | ATMOSPHERIC |
| First End Connection Type | THREADED INTERNAL PIPE |
| First End Nominal Pipe Size Accommodated | 2.500 INCHES IN |
| Material | COPPER ALLOY AND IRON BODY |
| Valve Relief Design Type | PRESSURE AND VACUUM |
| 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 |
|---|---|
| C-991-407-15 PRIMARY | Waukesha Bearings Corporation (USA) |
NSN 4820-01-113-1360 is a Valve,pressure Equalizing,gaseou, manufactured by Waukesha Bearings Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-113-1360 has 1 manufacturer part number on file: C-991-407-15 (Waukesha Bearings Corporation).
Key specifications for C-991-407-15: Flow Control Device: DISK, LIFT; First End Thread Direction: RIGHT-HAND; Body Style: LOW OR MEDIUM PRESSURE (SCREWED); First End Style Designator: PLAIN. 10 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.