The Diffuser,air Supply, cataloged under National Stock Number 4220-01-640-8513, 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 Hamilton Sundstrand Corporation Dba Collins Aerospace. 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 | 4220-01-640-8513 |
| Primary Part Number | 583178 |
| Item Name | Diffuser,air Supply |
| FSC / FSG | 4220 / 42 — Marine Lifesaving and Diving Equipment |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 583178 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
NSN 4220-01-640-8513 is a Diffuser,air Supply, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
NSN 4220-01-640-8513 has 1 manufacturer part number on file: 583178 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 583178: Part Name Assigned by Controlling Agency: DIFFUSER, AIR SUPPLY. 0 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.
NSN 4220-01-640-8513 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.