The Deck,diving Bell, cataloged under National Stock Number 4220-01-191-4240, is classified within Federal Supply Class 4220 (Marine Lifesaving and Diving Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 1 specification, 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. 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 | 4220-01-191-4240 |
| Primary Part Number | 5871434 |
| Item Name | Deck,diving Bell |
| FSC / FSG | 4220 / 42 — Marine Lifesaving and Diving Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| General Characteristics Item Description | PLATE STEEL,ASTM A36,0.375 IN.THICK;BAR STEEL ASTM A36;GRATING 1.000X0.188 BEARING BARS;72.000 IN.LG IN |
| 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 |
|---|---|
| 5871434 PRIMARY | Naval Sea Systems Command (USA) |
NSN 4220-01-191-4240 is a Deck,diving Bell, manufactured by Naval Sea Systems Command, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
NSN 4220-01-191-4240 has 1 manufacturer part number on file: 5871434 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 1560-01-583-9804. Verify interchangeability with system specifications before substitution.
Key specifications for 5871434: General Characteristics Item Description: PLATE STEEL,ASTM A36,0.375 IN.THICK;BAR STEEL ASTM A36;GRATING 1.000X0.188 BEARING BARS;72.000 IN.LG IN. 1 specification is 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.