The Cover,header,filter, cataloged under National Stock Number 1680-00-686-1832, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Honeywell International, Inc Div Aerospace-Tucson. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Cover,header,filter |
| FSC / FSG | 1680 — Miscellaneous Aircraft Accessories and Components (FSG 16) |
| Manufacturers | Honeywell International, Inc Div Aerospace-Tucson (CAGE 64547) |
| Parameter | Value |
|---|---|
| NSN | 1680-00-686-1832 |
| Primary Part Number | 516644 |
| Item Name | Cover,header,filter |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Honeywell International, Inc Div Aerospace-Tucson |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 516644 PRIMARY | Honeywell International, Inc Div Aerospace-Tucson (USA) |
| Reference | Meaning |
|---|---|
| 516644 | 5/9 Secondary reference Honeywell International Inc. Div Aerospace - Torrance |
| 516644 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
NSN 1680-00-686-1832 is a Cover,header,filter, manufactured by Honeywell International, Inc Div Aerospace-Tucson, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-00-686-1832 has 1 manufacturer part number on file: 516644 (Honeywell International, Inc Div Aerospace-Tucson).
1 possible match (shared part number, not a government interchangeability claim): 2510-01-420-5182. Verify interchangeability with system specifications before substitution.
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.