The Seat,valve, cataloged under National Stock Number 4810-00-216-7740, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 8 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through both NSN and commercial part number lookups. 26 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-00-216-7740 |
| Primary Part Number | J1203C |
| Item Name | Seat,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 0.470 INCHES NOMINAL IN |
| Flange Diameter | 1.740 INCHES NOMINAL IN |
| Body Outside Diameter | 1.358 INCHES NOMINAL IN |
| Style Designator | PLAIN FLANGED |
| Body Inside Diameter | 1.100 INCHES NOMINAL IN |
| Under Flange Height | 0.500 INCHES NOMINAL IN |
| Material | STEEL 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 |
|---|---|
| J1203C PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| 188081PC185 | 5/9 Secondary reference U.S. Government activity |
| 188085PC185 | 5/9 Secondary reference Ingersoll Rand Co |
| 188487PC185 | 5/9 Secondary reference U.S. Government activity |
| 187685PC185 | 5/9 Secondary reference U.S. Government activity |
| 185413PC185 | 5/9 Secondary reference Ingersoll Rand Co |
| 188405PC185 | 5/9 Secondary reference Ingersoll Rand Co |
| 185431PC185 | 5/9 Secondary reference Ingersoll Rand Co |
| 187700PC185 | 5/9 Secondary reference U.S. Government activity |
| 187681PC185 | 5/9 Secondary reference U.S. Government activity |
| 185431PC185 | 5/9 Secondary reference U.S. Government activity |
| D39918PPJ1203C | 5/9 Secondary reference U.S. Government activity |
| 188487PC185 | 5/9 Secondary reference Ingersoll Rand Co |
| 185417PC185 | 5/9 Secondary reference U.S. Government activity |
| 188085PC185 | 5/9 Secondary reference U.S. Government activity |
| 185413PC185 | 5/9 Secondary reference U.S. Government activity |
| J1203C | 3/9 Design control — primary reference U.S. Government activity |
| 185417PC185 | 5/9 Secondary reference Ingersoll Rand Co |
| 187681PC185 | 5/9 Secondary reference Ingersoll Rand Co |
| 188405PC185 | 5/9 Secondary reference U.S. Government activity |
| IR3000-30-185 | 5/9 Secondary reference U.S. Government activity |
NSN 4810-00-216-7740 is a Seat,valve, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-00-216-7740 has 1 manufacturer part number on file: J1203C (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
Key specifications for J1203C: Flange Seat to Disk End Height: 0.470 INCHES NOMINAL IN; Flange Diameter: 1.740 INCHES NOMINAL IN; Body Outside Diameter: 1.358 INCHES NOMINAL IN; Style Designator: PLAIN FLANGED. 8 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.