The Adapter,speedometer-Tachometer D, cataloged under National Stock Number 3040-00-441-5979, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Rolls-Royce Solutions America Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-00-441-5979 |
| Primary Part Number | 5143404 |
| Item Name | Adapter,speedometer-Tachometer D |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Rolls-Royce Solutions America 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 |
|---|---|
| 5143404 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
| 019-00001-201B | Kovatch Corp. (USA) |
| Reference | Meaning |
|---|---|
| 3040004415979 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| 3040004415979 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 3040-00-441-5979 is a Adapter,speedometer-Tachometer D, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-441-5979 has 2 manufacturer part numbers on file: 5143404 (Rolls-Royce Solutions America Inc), 019-00001-201B (Kovatch Corp.).
1 possible match (shared part number, not a government interchangeability claim): 5915-00-573-9039. Verify interchangeability with system specifications before substitution.
Key specifications for 5143404: End Item Identification: 23200897264. 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.