The Ring, cataloged under National Stock Number 4210-01-064-8221, is classified within Federal Supply Class 4210 (Firefighting Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Kidde Technologies, Inc Div Kidde Aerospace and Defense. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Ring |
| FSC / FSG | 4210 — Firefighting Equipment (FSG 42) |
| Manufacturers | Kidde Technologies, Inc Div Kidde Aerospace and Defense (CAGE 61423) |
| Parameter | Value |
|---|---|
| NSN | 4210-01-064-8221 |
| Primary Part Number | 208255 |
| Item Name | Ring |
| FSC / FSG | 4210 / 42 — Firefighting Equipment |
| Manufacturer | Kidde Technologies, Inc Div Kidde Aerospace and Defense |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| 208255 PRIMARY | Kidde Technologies, Inc Div Kidde Aerospace and Defense (USA) |
| Reference | Meaning |
|---|---|
| 208255 | 5/9 Secondary reference Kidde-Fenwal, Llc |
NSN 4210-01-064-8221 is a Ring, manufactured by Kidde Technologies, Inc Div Kidde Aerospace and Defense, classified under FSC 4210, Firefighting Equipment. Status: active.
NSN 4210-01-064-8221 has 1 manufacturer part number on file: 208255 (Kidde Technologies, Inc Div Kidde Aerospace and Defense).
3 possible matches (shared part number, not a government interchangeability claim): 5980-01-258-6394, 5330-01-300-2827, 5935-01-399-7130. Verify interchangeability with system specifications before substitution.
Possible hazard — SDS may be required (DLA HMIC P). 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.