The Case,regulator, cataloged under National Stock Number 4220-01-284-4333, 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 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4220-01-284-4333 |
| Primary Part Number | 801275-00 |
| 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 | X |
| Part Number | Manufacturer |
|---|---|
| 801275-00 | Avox Systems Inc Dba Avox Systems Inc (USA) |
| 801275-00 PRIMARY | Amron International Inc (USA) |
| 801255 | Avox Systems Inc Dba Avox Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 801255-00# | 5/9 Secondary reference Avox Systems Inc Dba Avox Systems Inc |
| 801275-00 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 4220-01-284-4333 is a Case,regulator, manufactured by Amron International Inc, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
NSN 4220-01-284-4333 has 3 manufacturer part numbers on file: 801275-00 (Avox Systems Inc Dba Avox Systems Inc), 801275-00 (Amron International Inc), 801255 (Avox Systems Inc Dba Avox Systems Inc).
2 possible matches (shared part number, not a government interchangeability claim): 6220-01-389-3303, 5975-01-464-2815. Verify interchangeability with system specifications before substitution.
Key specifications for 801275-00: 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.