The Adapter,fuel Tank, cataloged under National Stock Number 1680-00-706-0170, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Textron Aviation Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 1680-00-706-0170 |
| Primary Part Number | 9900040 |
| Item Name | Adapter,fuel Tank |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Textron Aviation Inc |
| 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 |
|---|---|
| 9900040 | Textron Aviation Inc (USA) |
| Reference | Meaning |
|---|---|
| 416-99-6 | 3/2 Design control — primary reference U.S. Government activity |
| 9900040 | 5/9 Secondary reference Cessna Aircraft Company Dba Textron Aviation |
NSN 1680-00-706-0170 is a Adapter,fuel Tank, manufactured by Textron Aviation Inc, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-00-706-0170 has 1 manufacturer part number on file: 9900040 (Textron Aviation Inc).
3 possible matches (shared part number, not a government interchangeability claim): 5905-01-021-6140, 5305-01-295-3555, 5340-01-618-6479. Verify interchangeability with system specifications before substitution.
Key specifications for 9900040: End Item Identification: U/O 4026103,FUEL CELL,INSTL,APPL TO T37 ACFT. 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.
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.