The Diaphragm,valve,flat, cataloged under National Stock Number 4820-01-461-3376, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Tyco Fire Products Lp. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-461-3376 |
| Primary Part Number | 420240 |
| Item Name | Diaphragm,valve,flat |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Tyco Fire Products Lp |
| Status | ACTIVE |
| 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 |
|---|---|
| 420240 PRIMARY | Tyco Fire Products Lp (USA) |
| 420094 REV 3 ITEM 14 PRIMARY | Tyco Fire Products Lp (USA) |
| Reference | Meaning |
|---|---|
| 420094 | D/9 Drawing number reference only Tyco Fire Products Lp |
NSN 4820-01-461-3376 is a Diaphragm,valve,flat, manufactured by Tyco Fire Products Lp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-461-3376 has 2 manufacturer part numbers on file: 420240 (Tyco Fire Products Lp), 420094 REV 3 ITEM 14 (Tyco Fire Products Lp).
Key specifications for 420240: Special Features: E/I PRESSURE VALVE; End Item Identification: WSC KAN USNS STALWART CLASS TAGOS. 0 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.