The Valve,safety Relief, cataloged under National Stock Number 4820-01-487-2879, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Rotaryaire Compressor Corp. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-487-2879 |
| Primary Part Number | 119C-3/4-60 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Rotaryaire Compressor Corp |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 0.750 INCHES ALL ENDS IN |
| Operating Pressure | 60.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Media for Which Designed | AIR SINGLE RESPONSE |
| 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 |
|---|---|
| 119C-3/4-60 PRIMARY | Rotaryaire Compressor Corp (USA) |
| 119CSS-5-060 | F.c.kingston Co. Dba Storm Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 119-C3/4-60 | C/1 Advisory reference — outside the item-of-supply concept F.c.kingston Co. Dba Storm Manufacturing |
NSN 4820-01-487-2879 is a Valve,safety Relief, manufactured by Rotaryaire Compressor Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-487-2879 has 2 manufacturer part numbers on file: 119C-3/4-60 (Rotaryaire Compressor Corp), 119CSS-5-060 (F.c.kingston Co. Dba Storm Manufacturing).
Key specifications for 119C-3/4-60: Nominal Pipe Size Accommodated: 0.750 INCHES ALL ENDS IN; Operating Pressure: 60.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Media for Which Designed: AIR SINGLE RESPONSE; End Item Identification: ROTARYAIRE OIL-FREE AIR COMPRESSOR MODEL CDBW/U-100-125WC, CONTRACT NO. N00033-91-C-3052. 3 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.