The Seat,valve, cataloged under National Stock Number 4820-01-440-5894, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Robert H Wager Co Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-440-5894 |
| Primary Part Number | 2.5-1750-FSG ITEM 2 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Robert H Wager Co Inc |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| 2.5-1750-FSG ITEM 2 PRIMARY | Robert H Wager Co Inc (USA) |
| 1782-SS PRIMARY | Robert H Wager Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 2.5,1750FSG | D/9 Drawing number reference only Robert H Wager Co Inc |
NSN 4820-01-440-5894 is a Seat,valve, manufactured by Robert H Wager Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-440-5894 has 2 manufacturer part numbers on file: 2.5-1750-FSG ITEM 2 (Robert H Wager Co Inc), 1782-SS (Robert H Wager Co Inc).
Key specifications for 2.5-1750-FSG ITEM 2: Material: STEEL CORROSION RESISTING OVERALL. 1 specification is 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.