The Retainer,disk,valve, cataloged under National Stock Number 4820-01-416-5972, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Fushiman Co. Ltd. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-416-5972 |
| Primary Part Number | H-4E0008-40MMPC6 |
| Item Name | Retainer,disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Fushiman Co. Ltd |
| Status | ACTIVE |
| Valve Size for Which Designed | 1.500 INCHES IN |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| H-4E0008-40MMPC6 PRIMARY | Fushiman Co. Ltd (JPN) |
| Reference | Meaning |
|---|---|
| H-4E0008-40MMPC6 | 5/9 Secondary reference Fuji Trading America Inc |
| H-4E0008-40MMPC6 | 3/9 Design control — primary reference Fushiman Co. Ltd |
| H-4E0008-40MMPC6 | 5/9 Secondary reference Fuji Trading (america) Inc. |
NSN 4820-01-416-5972 is a Retainer,disk,valve, manufactured by Fushiman Co. Ltd, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-416-5972 has 1 manufacturer part number on file: H-4E0008-40MMPC6 (Fushiman Co. Ltd).
Key specifications for H-4E0008-40MMPC6: Valve Size for Which Designed: 1.500 INCHES IN; Special Features: FOR FUSHIMAN CO LTD BACK PRESSURE REGULATING VALVE TYPE RMD31; End Item Identification: STRATEGIC SEA LIFT CONVERSION SHIPS CLASS; Material: STEEL CORROSION RESISTING. 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.