The Parts Kit,diving Helmet, cataloged under National Stock Number 4220-01-684-8774, 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 9 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 | 4220-01-684-8774 |
| Primary Part Number | 525-364 |
| Item Name | Parts Kit,diving Helmet |
| FSC / FSG | 4220 / 42 — Marine Lifesaving and Diving Equipment |
| Manufacturer | Kirby Morgan Dive Systems Inc |
| Status | ACTIVE |
| Component Quantity | 66 |
| Document Type | PARTS LIST |
| Accessory Identifying Number | 525-364 PART NO. |
| Component Document Page Number | 1 |
| Package Model Number | 525-364 |
| Document Identification | KIRBY MORGAN 525-364 KM97 |
| Supply Items and Quantities | BRASSNUT2, VALVESEAL1, LEVERBEARINGCLIP1, GASKETPAD1, VALVE,ORALNASAL1, EXHAUSTVALVE1, DIAPHRAGHMASSEMBLY1, WASHER5, TIEWRAP8, LOCKNUT9, LOCKSLIP1,W IPER1, ORING37, SPRING1, CLAMP3, BRASSSCRES2 |
| Component Document Origin | INDUSTRIAL |
| Document Source | 58366 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4220-01-684-8774 is a Parts Kit,diving Helmet, manufactured by Kirby Morgan Dive Systems Inc, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
NSN 4220-01-684-8774 has 2 manufacturer part numbers on file: 525-364 (Amron International Inc), 525-364 (Kirby Morgan Dive Systems Inc).
Key specifications for 525-364: Component Quantity: 66; Document Type: PARTS LIST; Accessory Identifying Number: 525-364 PART NO.; Component Document Page Number: 1. 9 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.