The Cap,valve, cataloged under National Stock Number 4820-01-601-6885, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is W S Darley & Co. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-601-6885 |
| Primary Part Number | 4222103 |
| Item Name | Cap,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | W S Darley & Co |
| Status | ACTIVE |
| 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 |
|---|---|
| 114310-11950 | W S Darley & Co (USA) |
| 4222103 PRIMARY | W S Darley & Co (USA) |
NSN 4820-01-601-6885 is a Cap,valve, manufactured by W S Darley & Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-601-6885 has 2 manufacturer part numbers on file: 114310-11950 (W S Darley & Co), 4222103 (W S Darley & Co).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-663-1691. Verify interchangeability with system specifications before substitution.
Key specifications for 4222103: Part Name Assigned by Controlling Agency: BONNET HEAD ASSEMBLY; End Item Identification: PUMP UNIT,CENTRIFUGAL, 4320-01-387-2869. 0 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.