The Diaphragm,valve,flat, cataloged under National Stock Number 4820-01-237-0507, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Briggs and Stratton Corp. Government technical data includes 2 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 | 4820-01-237-0507 |
| Primary Part Number | 270989 |
| Item Name | Diaphragm,valve,flat |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Briggs and Stratton Corp |
| Status | ACTIVE |
| Style Designator | FLAT |
| Media for Which Designed | GASOLINE |
| 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 |
|---|---|
| 270989 PRIMARY | Briggs and Stratton Corp (USA) |
NSN 4820-01-237-0507 is a Diaphragm,valve,flat, manufactured by Briggs and Stratton Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-237-0507 has 1 manufacturer part number on file: 270989 (Briggs and Stratton Corp).
Key specifications for 270989: Style Designator: FLAT; Media for Which Designed: GASOLINE; End Item Identification: 4130-01-131-2685. 2 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.