The Diaphragm,valve,flat, cataloged under National Stock Number 4820-01-479-5341, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Fisher Controls Co Inc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-479-5341 |
| Primary Part Number | T141190012 |
| Item Name | Diaphragm,valve,flat |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Fisher Controls Co Inc |
| Status | ACTIVE |
| Supplementary Features | MANUFACTURER CALLS THIS ITEM A DIAPHRAGM ASSEMBLY. COMPONENT ARE: DIAPHRAGM, DIAPHRAGM HEAD, PUSHER POST, RETAINING RING AND LOWER SPRING GUIDE. |
| Style Designator | FLAT |
| Media for Which Designed | LIQUID |
| Material | RUBBER |
| 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 |
|---|---|
| T141190012 | Proconex Inc (USA) |
| T141190012 PRIMARY | Fisher Controls Co Inc (USA) |
| Reference | Meaning |
|---|---|
| T14119T0012 | C/1 Advisory reference — outside the item-of-supply concept Fisher Controls Co Inc |
NSN 4820-01-479-5341 is a Diaphragm,valve,flat, manufactured by Fisher Controls Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-479-5341 has 2 manufacturer part numbers on file: T141190012 (Proconex Inc), T141190012 (Fisher Controls Co Inc).
Key specifications for T141190012: Supplementary Features: MANUFACTURER CALLS THIS ITEM A DIAPHRAGM ASSEMBLY. COMPONENT ARE: DIAPHRAGM, DIAPHRAGM HEAD, PUSHER POST, RETAINING RING AND LOWER SPRING GUIDE.; Style Designator: FLAT; Special Features: NEXT HIGHER ASSEMBLY 4820-01-475-8663. MATERIAL IS NITRILE.; Media for Which Designed: LIQUID. 4 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.