The Register,air, cataloged under National Stock Number 4520-01-724-8283, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Naval Surface Warfare Center Phildelphia Division. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Register,air |
| FSC / FSG | 4520 — Space and Water Heating Equipment (FSG 45) |
| Manufacturers | Naval Surface Warfare Center Phildelphia Division (CAGE 05HX0); Cumberland Additive, Inc (CAGE 4QP29) |
| Parameter | Value |
|---|---|
| NSN | 4520-01-724-8283 |
| Primary Part Number | 8827524 |
| Item Name | Register,air |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Naval Surface Warfare Center Phildelphia Division |
| 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 |
|---|---|
| 8827524 PRIMARY | Naval Surface Warfare Center Phildelphia Division (USA) |
| PMS396-ECP-25-002 | Cumberland Additive, Inc (USA) |
| PMS392-ECP-24-096 | Cumberland Additive, Inc (USA) |
NSN 4520-01-724-8283 is a Register,air, manufactured by Naval Surface Warfare Center Phildelphia Division, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-724-8283 has 3 manufacturer part numbers on file: 8827524 (Naval Surface Warfare Center Phildelphia Division), PMS396-ECP-25-002 (Cumberland Additive, Inc), PMS392-ECP-24-096 (Cumberland Additive, Inc).
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.