The Disk,valve, cataloged under National Stock Number 4820-01-328-5703, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Fairbanks Co the. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-328-5703 |
| Primary Part Number | FIG 030-1 2.50IN A6690 PC 10 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Fairbanks Co the |
| Status | ACTIVE |
| Pressure Rating | 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Style Designator | PLUG |
| Media for Which Designed | STEAM |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| FIG 030-1 2.50IN A6690 PC 10 PRIMARY | Fairbanks Co the (USA) |
| A-6690 PC 10 | Fairbanks Co the (USA) |
| Reference | Meaning |
|---|---|
| A-6690 | D/9 Drawing number reference only Fairbanks Co the |
| FIG 030-1 2.50I | C/1 Advisory reference — outside the item-of-supply concept Fairbanks Co the |
NSN 4820-01-328-5703 is a Disk,valve, manufactured by Fairbanks Co the, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-328-5703 has 2 manufacturer part numbers on file: FIG 030-1 2.50IN A6690 PC 10 (Fairbanks Co the), A-6690 PC 10 (Fairbanks Co the).
Key specifications for FIG 030-1 2.50IN A6690 PC 10: Pressure Rating: 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Style Designator: PLUG; Media for Which Designed: STEAM; Material: COPPER ALLOY. 4 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.