The Adapter,speedometer-Tachometer D, cataloged under National Stock Number 6680-01-074-3792, is classified within Federal Supply Class 6680 (Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Ai-Tek Instruments Llc Dba Ai-Tek Instruments Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Adapter,speedometer-Tachometer D |
| FSC / FSG | 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments (FSG 66) |
| Manufacturers | U S Army Tank Automotive Command Amsta-Im-Mm (CAGE 19207); Ai-Tek Instruments Llc Dba Ai-Tek Instruments Llc (CAGE 1XP56) |
| Parameter | Value |
|---|---|
| NSN | 6680-01-074-3792 |
| Primary Part Number | 086-111-0092 |
| Item Name | Adapter,speedometer-Tachometer D |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Ai-Tek Instruments Llc Dba Ai-Tek Instruments Llc |
| 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 |
|---|---|
| 12302350 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 086-111-0092 PRIMARY | Ai-Tek Instruments Llc Dba Ai-Tek Instruments Llc (USA) |
| Reference | Meaning |
|---|---|
| 6680PL2226246 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 6680010743792 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 725818 | 5/9 Secondary reference U.S. Government activity |
| 726752 | 5/9 Secondary reference U.S. Government activity |
| 726752 | 5/9 Secondary reference U.S. Government activity |
| 3-300-356-01 | 5/9 Secondary reference U.S. Government activity |
NSN 6680-01-074-3792 is a Adapter,speedometer-Tachometer D, manufactured by Ai-Tek Instruments Llc Dba Ai-Tek Instruments Llc, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-074-3792 has 2 manufacturer part numbers on file: 12302350 (U S Army Tank Automotive Command Amsta-Im-Mm), 086-111-0092 (Ai-Tek Instruments Llc Dba Ai-Tek Instruments Llc).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-697-0468. 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.