The Cover,air Outlet, cataloged under National Stock Number 4520-01-064-1779, 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 Wheeler Fleet Solutions, Co.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4520-01-064-1779 |
| Primary Part Number | 685-68698 |
| Item Name | Cover,air Outlet |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Wheeler Fleet Solutions, Co. |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIAL ALUMINUM,O/A DIA 13.000 IN. IN |
| 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 |
|---|---|
| 685-68698 PRIMARY | Wheeler Fleet Solutions, Co. (USA) |
| Reference | Meaning |
|---|---|
| 68698 | 5/9 Secondary reference Davey Compressor Co Div of Keco Industries Inc |
| 68698 | 5/2 Secondary reference U.S. Government activity |
| 68698 | 5/9 Secondary reference Drs Environmental Systems Inc |
NSN 4520-01-064-1779 is a Cover,air Outlet, manufactured by Wheeler Fleet Solutions, Co., classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-064-1779 has 1 manufacturer part number on file: 685-68698 (Wheeler Fleet Solutions, Co.).
2 possible matches (shared part number, not a government interchangeability claim): 6680-01-200-2549, 7045-01-679-5136. Verify interchangeability with system specifications before substitution.
Key specifications for 685-68698: General Characteristics Item Description: MATERIAL ALUMINUM,O/A DIA 13.000 IN. IN; End Item Identification: HEATER 1-H1. 1 specification is 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.