The Case,regulator, cataloged under National Stock Number 4220-01-284-4332, 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 Amron International Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4220-01-284-4332 |
| Primary Part Number | 800956-01 |
| Item Name | Case,regulator |
| FSC / FSG | 4220 / 42 — Marine Lifesaving and Diving Equipment |
| Manufacturer | Amron International Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 800956-01 PRIMARY | Amron International Inc (USA) |
| Reference | Meaning |
|---|---|
| 800956-00 | 5/9 Secondary reference Amron International Inc |
| 700956-00 | 5/9 Secondary reference Avox Systems Inc Dba Avox Systems Inc |
NSN 4220-01-284-4332 is a Case,regulator, manufactured by Amron International Inc, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
NSN 4220-01-284-4332 has 1 manufacturer part number on file: 800956-01 (Amron International Inc).
1 possible match (shared part number, not a government interchangeability claim): 4240-01-486-7869. Verify interchangeability with system specifications before substitution.
Key specifications for 800956-01: End Item Identification: BUILT IN BREATHING-BIBS MASK. 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.
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.