The Seat,valve, cataloged under National Stock Number 4820-01-249-3676, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Technetics Group Llc Dba Technetics Group Deland Div Technetics Group Deland. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-249-3676 |
| Primary Part Number | 7-040147 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Technetics Group Llc Dba Technetics Group Deland Div Technetics Group Deland |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 0.380 INCHES NOMINAL IN |
| Flange Diameter | 0.875 INCHES NOMINAL IN |
| Body Outside Diameter | 0.625 INCHES NOMINAL IN |
| Style Designator | PLAIN FLANGED |
| Body Inside Diameter | 0.562 INCHES NOMINAL IN |
| Under Flange Height | 0.062 INCHES NOMINAL IN |
| Material | COPPER ALLOY BODY |
| Seating Surface Shape | O-RING |
| 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 |
|---|---|
| 7-040147 PRIMARY | Technetics Group Llc Dba Technetics Group Deland Div Technetics Group Deland (USA) |
| Reference | Meaning |
|---|---|
| 7-040147 | 5/9 Secondary reference Senior Operations Llc Div Senior Aerospace Ketema |
| 7-040147 | 3/9 Design control — primary reference Technetics Group Llc Dba Technetics Group Burbank |
| 7-040147-2 | 5/9 Secondary reference Senior Operations Llc Div Senior Aerospace Ketema |
NSN 4820-01-249-3676 is a Seat,valve, manufactured by Technetics Group Llc Dba Technetics Group Deland Div Technetics Group Deland, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-249-3676 has 1 manufacturer part number on file: 7-040147 (Technetics Group Llc Dba Technetics Group Deland Div Technetics Group Deland).
Key specifications for 7-040147: Flange Seat to Disk End Height: 0.380 INCHES NOMINAL IN; Flange Diameter: 0.875 INCHES NOMINAL IN; Body Outside Diameter: 0.625 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.