The Retainer,disk,valve, cataloged under National Stock Number 4820-01-435-8804, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Richards Industries Valve Group Jordan Valve Div. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-435-8804 |
| Primary Part Number | 86740-022 |
| Item Name | Retainer,disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Richards Industries Valve Group Jordan Valve Div |
| Status | ACTIVE |
| Valve Model Number for Which Designed | MK60 S/N 191076B |
| Valve Size for Which Designed | 0.500 INCHES IN |
| Valve Design Control Activity | 21476 |
| 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 |
|---|---|
| MK60-1/2IN S/N 191076B ITEM 18 | Richards Industries Valve Group Jordan Valve Div (USA) |
| 86740-022 PRIMARY | Richards Industries Valve Group Jordan Valve Div (USA) |
| Reference | Meaning |
|---|---|
| 86740-005 | 5/9 Secondary reference Richards Industries Valve Group Jordan Valve Div |
NSN 4820-01-435-8804 is a Retainer,disk,valve, manufactured by Richards Industries Valve Group Jordan Valve Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-435-8804 has 2 manufacturer part numbers on file: MK60-1/2IN S/N 191076B ITEM 18 (Richards Industries Valve Group Jordan Valve Div), 86740-022 (Richards Industries Valve Group Jordan Valve Div).
Key specifications for 86740-022: Valve Model Number for Which Designed: MK60 S/N 191076B; Valve Size for Which Designed: 0.500 INCHES IN; Valve Design Control Activity: 21476; End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS. 3 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.