The Valve,diaphragm,stop, cataloged under National Stock Number 4820-00-808-7442, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-00-808-7442 |
| Primary Part Number | 11621193 |
| Item Name | Valve,diaphragm,stop |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Features Provided | BONNET PACKING |
| Bonnet Type | INSIDE SPRING |
| Bonnet Attachment Method | UNION |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| 722100022 | Pho-Tronics H & T Global Circuits, Llc Dba Pho-Tronics H & T Global Circuits Llc (USA) |
| 722100043 | Pierce Co Inc the Sub of Avis Industrial Corp (USA) |
| 11621193 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 4820008087442 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 4820-00-808-7442 is a Valve,diaphragm,stop, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-808-7442 has 3 manufacturer part numbers on file: 722100022 (Pho-Tronics H & T Global Circuits, Llc Dba Pho-Tronics H & T Global Circuits Llc), 722100043 (Pierce Co Inc the Sub of Avis Industrial Corp), 11621193 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 11621193: Features Provided: BONNET PACKING; Bonnet Type: INSIDE SPRING; Bonnet Attachment Method: UNION; Valve Operation Method: AUTOMATIC. 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.