The Diaphragm,valve,flat, cataloged under National Stock Number 4820-01-131-9737, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Morse Diving, Inc.. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-131-9737 |
| Primary Part Number | 592-4758560 |
| Item Name | Diaphragm,valve,flat |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Morse Diving, Inc. |
| Status | ACTIVE |
| Outside Diameter | 1.460 INCHES NOMINAL IN |
| 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 |
|---|---|
| 592-4758551 FIND 6 | Morse Diving, Inc. (USA) |
| 592-4758560 PRIMARY | Morse Diving, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 592-4758560 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-131-9737 is a Diaphragm,valve,flat, manufactured by Morse Diving, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-131-9737 has 2 manufacturer part numbers on file: 592-4758551 FIND 6 (Morse Diving, Inc.), 592-4758560 (Morse Diving, Inc.).
Key specifications for 592-4758560: Outside Diameter: 1.460 INCHES NOMINAL IN; Material: RUBBER. 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.