The Seat,valve, cataloged under National Stock Number 4820-00-963-6905, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-963-6905 |
| Primary Part Number | 17715-P |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Body Outside Diameter | 3.375 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Body Inside Diameter | 1.062 INCHES NOMINAL IN |
| Material | COPPER OVERALL |
| Seating Surface Shape | FLAT |
| 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 |
|---|---|
| 17715-P PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| 17715-P | 3/9 Design control — primary reference U.S. Government activity |
| SK-171355 | D/9 Drawing number reference only U.S. Government activity |
NSN 4820-00-963-6905 is a Seat,valve, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-963-6905 has 1 manufacturer part number on file: 17715-P (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
Key specifications for 17715-P: Overall Height: 0.750 INCHES NOMINAL IN; Body Outside Diameter: 3.375 INCHES NOMINAL IN; Style Designator: PLAIN; Body Inside Diameter: 1.062 INCHES NOMINAL IN. 5 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.