The Seat,valve, cataloged under National Stock Number 4810-00-657-3719, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-00-657-3719 |
| Item Name | Seat,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 0.060 INCHES NOMINAL IN |
| Flange Diameter | 0.310 INCHES NOMINAL IN |
| Body Outside Diameter | 0.240 INCHES NOMINAL IN |
| Style Designator | PLAIN FLANGED |
| Material Document and Classification | KEL-F GRADE 300,FSCM 76381 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 0.060 INCHES NOMINAL IN |
| Under Flange Height | 0.380 INCHES NOMINAL IN |
| Material | PLASTIC 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 |
| Reference | Meaning |
|---|---|
| 208290 | 3/2 Design control — primary reference U.S. Government activity |
| 208290 | 5/9 Secondary reference Kidde-Fenwal, Llc |
| K208290 | C/1 Advisory reference — outside the item-of-supply concept Davey Compressor Co Div of Keco Industries Inc |
NSN 4810-00-657-3719 is a Seat,valve, classified under FSC 4810, Valves, Powered. Status: active.
Key specifications for 4810-00-657-3719: Flange Seat to Disk End Height: 0.060 INCHES NOMINAL IN; Flange Diameter: 0.310 INCHES NOMINAL IN; Body Outside Diameter: 0.240 INCHES NOMINAL IN; Style Designator: PLAIN FLANGED. 9 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.