The Helmet,deep-Sea Diver's,helium-O, cataloged under National Stock Number 4220-01-237-1814, 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 Kirby Morgan Dive Systems Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4220-01-237-1814 |
| Primary Part Number | 500-010 |
| Item Name | Helmet,deep-Sea Diver's,helium-O |
| FSC / FSG | 4220 / 42 — Marine Lifesaving and Diving Equipment |
| Manufacturer | Kirby Morgan Dive Systems Inc |
| Status | ACTIVE |
| General Characteristics Item Description | COMPLETE HELMET EXCLUDING MALE OR FEMALE WATERPROOF CONNECTORS; SHELL NADE FROM FIBERGLASS AND POLYESTER RESIN; HARDWARE MADE FROM STAINLESS STEEL,CHROMED BRASS,POLISHED BRASS; CONTROL KNOBS ARE ABS PLASTIC; LENS IS LEXAN; NECK DAM IS RUBATEX NEOPRENE; O-RINGS IS NEOPRENE; HEAD CUSHION IS NYLON AND NO. 4 ESTER CHARCOAL; OPERATING PRESSURE 115-225PSI OVER AMBIENT,OPTIMUM 170PSI OVER AMBIENT; 4.5SCFM FLOW REQUIREMENTS |
| 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 |
|---|---|
| 500-010 PRIMARY | Kirby Morgan Dive Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| SUPERLITE-17B | 5/9 Secondary reference Kirby Morgan Dive Systems Inc |
| 17-B | 5/9 Secondary reference Kirby Morgan Dive Systems Inc |
NSN 4220-01-237-1814 is a Helmet,deep-Sea Diver's,helium-O, manufactured by Kirby Morgan Dive Systems Inc, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
NSN 4220-01-237-1814 has 1 manufacturer part number on file: 500-010 (Kirby Morgan Dive Systems Inc).
3 possible matches (shared part number, not a government interchangeability claim): 5920-01-277-4121, 5315-01-346-3983, 6685-01-533-7325. Verify interchangeability with system specifications before substitution.
Key specifications for 500-010: General Characteristics Item Description: COMPLETE HELMET EXCLUDING MALE OR FEMALE WATERPROOF CONNECTORS; SHELL NADE FROM FIBERGLASS AND POLYESTER RESIN; HARDWARE MADE FROM STAINLESS STEEL,CHROMED BRASS,POLISHED BRASS; CONTROL KNOBS ARE ABS PLASTIC; LENS IS LEXAN; NECK DAM IS RUBATEX NEOPRENE; O-RINGS IS NEOPRENE; HEAD CUSHION IS NYLON AND NO. 4 ESTER CHARCOAL; OPERATING PRESSURE 115-225PSI OVER AMBIENT,OPTIMUM 170PSI OVER AMBIENT; 4.5SCFM FLOW REQUIREMENTS. 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.