The Notch Filter,aircra, cataloged under National Stock Number 1680-01-535-3440, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is K&l Microwave Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-01-535-3440 |
| Primary Part Number | 7LN10-00001 |
| Item Name | Notch Filter,aircra |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | K&l Microwave Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7LN10-00001 PRIMARY | K&l Microwave Llc (USA) |
| Reference | Meaning |
|---|---|
| BR-5-99-22-T/T | 5/9 Secondary reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
NSN 1680-01-535-3440 is a Notch Filter,aircra, manufactured by K&l Microwave Llc, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-535-3440 has 1 manufacturer part number on file: 7LN10-00001 (K&l Microwave Llc).
1 possible match (shared part number, not a government interchangeability claim): 1680-01-573-8696. Verify interchangeability with system specifications before substitution.
Key specifications for 7LN10-00001: Part Name Assigned by Controlling Agency: NOTCH FILTER; End Item Identification: MV-22 AIRCRAFT. 0 specifications are 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.
NSN 1680-01-535-3440 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.