The Underwear,diver's Dry Suit, cataloged under National Stock Number 4220-01-496-0628, 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 Aeroskin California. Government technical data includes 7 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4220-01-496-0628 |
| Primary Part Number | P331 |
| Item Name | Underwear,diver's Dry Suit |
| FSC / FSG | 4220 / 42 — Marine Lifesaving and Diving Equipment |
| Manufacturer | Aeroskin California |
| Status | ACTIVE |
| Entrance Location | FRONT |
| Design Type | ONE-PIECE |
| Garment Closing Method | SLIDE FASTENER |
| Attached Cuffs | NOT INCLUDED |
| Size Designation | X-SMALL OR SMALL OR MEDIUM OR LARGE OR X-LARGE OR XX-LARGE |
| Leg Lacing Provision | NOT INCLUDED |
| Material | PLASTIC POLYAMIDE NYLON |
| 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 |
|---|---|
| P331 PRIMARY | Aeroskin California (USA) |
NSN 4220-01-496-0628 is a Underwear,diver's Dry Suit, manufactured by Aeroskin California, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
NSN 4220-01-496-0628 has 1 manufacturer part number on file: P331 (Aeroskin California).
Key specifications for P331: Entrance Location: FRONT; Design Type: ONE-PIECE; Garment Closing Method: SLIDE FASTENER; Attached Cuffs: NOT INCLUDED. 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.