The Seat,valve, cataloged under National Stock Number 4820-01-216-6791, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is O. C. Keckley Company. Government technical data includes 4 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 | 4820-01-216-6791 |
| Primary Part Number | 7017A |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | O. C. Keckley Company |
| Status | ACTIVE |
| Taper Minor Diameter | 0.562 INCHES NOMINAL IN |
| Taper Major Diameter | 1.000 INCHES NOMINAL IN |
| Taper Length | 0.625 INCHES NOMINAL IN |
| Material | COPPER ALLOY 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 |
|---|---|
| 7017A PRIMARY | O. C. Keckley Company (USA) |
NSN 4820-01-216-6791 is a Seat,valve, manufactured by O. C. Keckley Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-216-6791 has 1 manufacturer part number on file: 7017A (O. C. Keckley Company).
Key specifications for 7017A: Taper Minor Diameter: 0.562 INCHES NOMINAL IN; Taper Major Diameter: 1.000 INCHES NOMINAL IN; Taper Length: 0.625 INCHES NOMINAL IN; Material: COPPER ALLOY OVERALL. 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.