The Bonnet, cataloged under National Stock Number 4220-01-237-3253, is classified within Federal Supply Class 4220 (No Item Name Available) of the Fire Fighting, Rescue, and Safety Equipment group. The primary manufacturer of record is Kirby Morgan Dive Systems Inc. This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4220-01-237-3253 |
| Primary Part Number | 550-020 |
| Item Name | Bonnet |
| FSC / FSG | 4220 / 42 — No Item Name Available |
| Manufacturer | Kirby Morgan Dive Systems Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 18-99 | Kirby Morgan Dive Systems Inc (USA) |
| 592-6318187 | Zf Industrieantriebe Witten Gmbh (DEU) |
| DP5838 | Ministry of Defence, De&s Underwater and Electronic Warfare Pt (uew Ipt) (GBR) |
| 17-024 | Kirby Morgan Dive Systems Inc (USA) |
| 550-020 PRIMARY | Kirby Morgan Dive Systems Inc (USA) |
| 9147Y077 | Honeywell Aerospace Yeovil Div Aerospace -Yeovil (GBR) |
NSN 4220-01-237-3253 is a Bonnet, manufactured by Kirby Morgan Dive Systems Inc, classified under FSC 4220 (No Item Name Available). Status: active.
NSN 4220-01-237-3253 has 6 cross-referenced part numbers: 18-99 (Kirby Morgan Dive Systems Inc), 592-6318187 (Zf Industrieantriebe Witten Gmbh), DP5838 (Ministry of Defence, De&s Underwater and Electronic Warfare Pt (uew Ipt)), 17-024 (Kirby Morgan Dive Systems Inc), 550-020 (Kirby Morgan Dive Systems Inc) and 1 more.
There are 12 known substitutes for 4220-01-237-3253: 6645-00-011-9662, 6240-00-132-4011, 3455-00-224-3732 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 550-020: End Item Identification: DLA/GSA MANAGED ITEMS THAT CANNOT BE IDENTIFIED TO A SPECIFIC ARMY WEAPONS SYSTEMS/END ITEM. 1 total characteristics are documented in the Federal Logistics Information System.