The Valve,diaphragm,stop, cataloged under National Stock Number 4820-01-407-2985, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Aquamatic Inc. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-407-2985 |
| Primary Part Number | V42E-0000-00000 |
| Item Name | Valve,diaphragm,stop |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Aquamatic Inc |
| Status | ACTIVE |
| Connection Style | PLAIN,OPTIONAL END(PIPE) ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 1.500 INCHES ALL ENDS IN |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Material | IRON BODY |
| Thread Series Designator | NPT ALL ENDS |
| 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 |
|---|---|
| PL 423383-A ITEM 1 | Zeks Air Drier Corp Sub of Kemp Co (USA) |
| V42E-0000-00000 PRIMARY | Aquamatic Inc (USA) |
| Reference | Meaning |
|---|---|
| 424DV6NO SPENCER | 5/9 Secondary reference Aquamatic Inc |
NSN 4820-01-407-2985 is a Valve,diaphragm,stop, manufactured by Aquamatic Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-407-2985 has 2 manufacturer part numbers on file: PL 423383-A ITEM 1 (Zeks Air Drier Corp Sub of Kemp Co), V42E-0000-00000 (Aquamatic Inc).
Key specifications for V42E-0000-00000: Connection Style: PLAIN,OPTIONAL END(PIPE) ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Thread Direction: RIGHT-HAND ALL ENDS; Nominal Thread Size: 1.500 INCHES ALL ENDS IN. 7 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.