The Cap,valve, cataloged under National Stock Number 4820-01-331-1726, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Kirby Morgan Dive Systems Inc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-331-1726 |
| Primary Part Number | 550-235 |
| Item Name | Cap,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Kirby Morgan Dive Systems Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 550-235 PRIMARY | Kirby Morgan Dive Systems Inc (USA) |
| 592-6318222 | Naval Sea Systems Command (USA) |
NSN 4820-01-331-1726 is a Cap,valve, manufactured by Kirby Morgan Dive Systems Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-331-1726 has 2 cross-referenced part numbers: 550-235 (Kirby Morgan Dive Systems Inc), 592-6318222 (Naval Sea Systems Command).
There is 1 known substitute for 4820-01-331-1726: 5998-00-985-1049. Verify interchangeability with system specifications before substitution.
Key specifications for 550-235: End Item Identification: MK21 MOD1 DIVING HELMET. 1 total characteristics are documented in the Federal Logistics Information System.