The Cylinder Assembly, cataloged under National Stock Number 4210-01-059-5681, is classified within Federal Supply Class 4210 (Firefighting Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Kidde-Fenwal, Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4210-01-059-5681 |
| Primary Part Number | 9145021 |
| Item Name | Cylinder Assembly |
| FSC / FSG | 4210 / 42 — Firefighting Equipment |
| Manufacturer | Kidde-Fenwal, Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 9145021 PRIMARY | Kidde-Fenwal, Llc (USA) |
| Reference | Meaning |
|---|---|
| 145021 | 5/9 Secondary reference Grinnell Fire Protection |
| 113-4789100 ITEM 8 | 5/1 Secondary reference U.S. Government activity |
| 9145021 | 5/9 Secondary reference Grinnell Fire Protection |
| 507-4606597PCF-2 THRU F-4 | 5/9 Secondary reference U.S. Government activity |
NSN 4210-01-059-5681 is a Cylinder Assembly, manufactured by Kidde-Fenwal, Llc, classified under FSC 4210, Firefighting Equipment. Status: active.
NSN 4210-01-059-5681 has 1 manufacturer part number on file: 9145021 (Kidde-Fenwal, Llc).
Key specifications for 9145021: End Item Identification: RANGE GUARD FIRE PROTECTION SYSTEM. 0 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.