The Seat,poppet,balnc, cataloged under National Stock Number 4820-01-602-4429, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Johnson Outdoors Diving Llc. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-602-4429 |
| Primary Part Number | 11.250.221 |
| Item Name | Seat,poppet,balnc |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Johnson Outdoors Diving Llc |
| 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 |
|---|---|
| 11.250.221 PRIMARY | Johnson Outdoors Diving Llc (USA) |
| 6696824-2 | Scubapro (USA) |
| 6696824-2 | Johnson Outdoors Diving Llc (USA) |
| 11.250.221 PRIMARY | Scubapro (USA) |
| Reference | Meaning |
|---|---|
| 11.250.221 | 3/9 Design control — primary reference Scuba Pro Sub of Under Sea Industries Inc Sub of S C Johnson and Son Inc |
| 6696824-2 | 5/9 Secondary reference Scuba Pro Sub of Under Sea Industries Inc Sub of S C Johnson and Son Inc |
| 6696824-2 | 5/9 Secondary reference Naval Sea Systems Command |
NSN 4820-01-602-4429 is a Seat,poppet,balnc, manufactured by Johnson Outdoors Diving Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-602-4429 has 4 manufacturer part numbers on file: 11.250.221 (Johnson Outdoors Diving Llc), 6696824-2 (Scubapro), 6696824-2 (Johnson Outdoors Diving Llc), 11.250.221 (Scubapro).
Key specifications for 11.250.221: End Item Identification: MK24 FFM. 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.