The Adapter,speedometer-Tachometer D, cataloged under National Stock Number 3040-01-411-4186, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Norma Pennsylvania Inc. Div Breeze Industrial Products. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-411-4186 |
| Primary Part Number | AC-1818.250 |
| Item Name | Adapter,speedometer-Tachometer D |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Norma Pennsylvania Inc. Div Breeze Industrial Products |
| Status | ACTIVE |
| Material | IRON |
| Usage Design | ADAPTS 1/4 IN. DIA SHAFT TO SPEEDOMETER 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 |
|---|---|
| AC-1818.250 PRIMARY | Norma Pennsylvania Inc. Div Breeze Industrial Products (USA) |
| 106002A | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 106002A | 7/9 Vendor item drawing reference Oshkosh Corp |
| A-9443 | D/9 Drawing number reference only Norma Pennsylvania Inc. Div Breeze Industrial Products |
NSN 3040-01-411-4186 is a Adapter,speedometer-Tachometer D, manufactured by Norma Pennsylvania Inc. Div Breeze Industrial Products, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-411-4186 has 2 manufacturer part numbers on file: AC-1818.250 (Norma Pennsylvania Inc. Div Breeze Industrial Products), 106002A (Oshkosh Defense Llc).
Key specifications for AC-1818.250: Overall Length: 2.625 INCHES NOMINAL IN; End Item Identification: 2320-01-318-9902; Material: IRON; Usage Design: ADAPTS 1/4 IN. DIA SHAFT TO SPEEDOMETER IN. 2 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.