PartsTable TECHNICAL DATA SHEET
NSN 3040-01-125-9990Government record, cited

Adapter, Speedometer-Tachometer D3040-01-125-9990

NSN 3040-01-125-9990 · NIIN 011259990 · Part number 5145978
Rolls-Royce Solutions America Inc · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 72582
Government record, cited
NSN 3040-01-125-9990 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-125-9990. Manufacturer of record part number: 5145978.
Also searched as  3040-01-125-9990 · 3040011259990 · NIIN 011259990 · 01-125-9990 · FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 72582 · 5145978
Nearby stock numbers  ·
Features
  • Adapter,speedometer-Tachometer D — FSC 3040
  • 1 manufacturer part number on file
  • Manufacturer of record: Rolls-Royce Solutions America Inc
Identification
  • NSN: 3040-01-125-9990
  • NIIN: 011259990
  • FSC: 3040 — Miscellaneous Power Transmission Equipment
  • FSG: 30 — Mechanical Power Transmission Equipment
  • Primary part number: 5145978
  • Manufacturer: Rolls-Royce Solutions America Inc
General Description

The Adapter,speedometer-Tachometer D, cataloged under National Stock Number 3040-01-125-9990, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-01-125-9990
Primary Part Number5145978
Item NameAdapter,speedometer-Tachometer D
FSC / FSG3040 / 30 — Miscellaneous Power Transmission Equipment
ManufacturerRolls-Royce Solutions America Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
5145978 PRIMARY Rolls-Royce Solutions America Inc (USA)
No interchangeability data on file.
Other items in FSC 3040 — Miscellaneous Power Transmission Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3040-00-001-0046
3040-00-001-0046 · Item name not on file
3040-00-001-0047
3040-00-001-0047 · Item name not on file
3040-00-001-0048
3040-00-001-0048 · Item name not on file
3040-00-001-0068
3040-00-001-0068 · Item name not on file
3040-00-001-0077
3040-00-001-0077 · Item name not on file
3040-00-001-0078
3040-00-001-0078 · Item name not on file
3040-00-001-0089
3040-00-001-0089 · Item name not on file
3040-00-001-1224
3040-00-001-1224 · Item name not on file

Frequently Asked Questions

What is NSN 3040-01-125-9990?

NSN 3040-01-125-9990 is a Adapter,speedometer-Tachometer D, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.

What part numbers are listed for NSN 3040-01-125-9990?

NSN 3040-01-125-9990 has 1 manufacturer part number on file: 5145978 (Rolls-Royce Solutions America Inc).

What are the specifications of 5145978?

Key specifications for 5145978: End Item Identification: DETROIT DIESEL ENGINE MODEL 50. 0 specifications are documented in the U.S. Government catalog.

Is NSN 3040-01-125-9990 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

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.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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