The Parts Kit,diving Helmet, cataloged under National Stock Number 4220-01-684-9137, 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 Interspiro Inc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4220-01-684-9137 |
| Primary Part Number | 460-190-902 |
| Item Name | Parts Kit,diving Helmet |
| FSC / FSG | 4220 / 42 — Marine Lifesaving and Diving Equipment |
| Manufacturer | Interspiro Inc |
| Status | ACTIVE |
| Component Quantity | 7 |
| Document Type | PARTS LIST |
| Component Document Page Number | 2 |
| Document Identification | 32347C91 MODULE 3 |
| Supply Items and Quantities | DIAPHRAGM UNIT MK11 1, VALVE INSERT SUB ASSY W/O SAFETY PRESSURE 1, NON RETURN VALVE ASSY 1, ORINGS 4 |
| Component Document Origin | INDUSTRIAL |
| Document Source | 47432 |
| 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 |
|---|---|
| 460-190-902 | Amron International Inc (USA) |
| 460-190-902 PRIMARY | Interspiro Inc (USA) |
NSN 4220-01-684-9137 is a Parts Kit,diving Helmet, manufactured by Interspiro Inc, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
NSN 4220-01-684-9137 has 2 manufacturer part numbers on file: 460-190-902 (Amron International Inc), 460-190-902 (Interspiro Inc).
Key specifications for 460-190-902: Component Quantity: 7; Document Type: PARTS LIST; Component Document Page Number: 2; Document Identification: 32347C91 MODULE 3. 7 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.