PartsTable TECHNICAL DATA SHEET
NSN 3010-01-451-3715Government record, cited

Gear Assembly, Speed Decreaser3010-01-451-3715

NSN 3010-01-451-3715 · NIIN 014513715 · Part number B20-DA-A3-25
Eskridge, Inc. · FSC 3010 — Torque Converters and Speed Changers · FSG 30 — Mechanical Power Transmission Equipment · CAGE 62854
Government record, cited
NSN 3010-01-451-3715 — this item is cataloged by the U.S. Government under National Stock Number 3010-01-451-3715. Manufacturer of record part number: B20-DA-A3-25.
Also searched as  3010-01-451-3715 · 3010014513715 · NIIN 014513715 · 01-451-3715 · FSC 3010 Torque Converters and Speed Changers · CAGE 62854 · B20-DA-A3-25 · 9310C2001-001
Nearby stock numbers  ·
Features
  • Gear Assembly,speed Decreaser — FSC 3010
  • Design Type: SINGLE REDUCTION
  • Gear Type: HELICAL
  • Total Ratio: 25 TO 1
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Eskridge, Inc.
Identification
  • NSN: 3010-01-451-3715
  • NIIN: 014513715
  • FSC: 3010 — Torque Converters and Speed Changers
  • FSG: 30 — Mechanical Power Transmission Equipment
  • Primary part number: B20-DA-A3-25
  • Manufacturer: Eskridge, Inc.
General Description

The Gear Assembly,speed Decreaser, cataloged under National Stock Number 3010-01-451-3715, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Eskridge, Inc.. Government technical data includes 3 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3010-01-451-3715
Primary Part NumberB20-DA-A3-25
Item NameGear Assembly,speed Decreaser
FSC / FSG3010 / 30 — Torque Converters and Speed Changers
ManufacturerEskridge, Inc.
StatusACTIVE
Design TypeSINGLE REDUCTION
Gear TypeHELICAL
Total Ratio25 TO 1
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
B20-DA-A3-25 PRIMARY Eskridge, Inc. (USA)
9310C2001-001 PRIMARY The Entwistle Company Llc (USA)
No interchangeability data on file.
Other items in FSC 3010 — Torque Converters and Speed Changers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3010-00-001-0013
3010-00-001-0013 · Item name not on file
3010-00-001-0067
3010-00-001-0067 · Item name not on file
3010-00-001-0069
3010-00-001-0069 · Item name not on file
3010-00-001-0095
3010-00-001-0095 · Item name not on file
3010-00-001-1239
3010-00-001-1239 · Item name not on file
3010-00-001-1689
3010-00-001-1689 · Item name not on file
3010-00-001-2168
3010-00-001-2168 · Item name not on file
3010-00-001-2173
3010-00-001-2173 · Item name not on file

Frequently Asked Questions

What is NSN 3010-01-451-3715?

NSN 3010-01-451-3715 is a Gear Assembly,speed Decreaser, manufactured by Eskridge, Inc., classified under FSC 3010, Torque Converters and Speed Changers. Status: active.

What part numbers are listed for NSN 3010-01-451-3715?

NSN 3010-01-451-3715 has 2 manufacturer part numbers on file: B20-DA-A3-25 (Eskridge, Inc.), 9310C2001-001 (The Entwistle Company Llc).

What are the specifications of B20-DA-A3-25?

Key specifications for B20-DA-A3-25: Design Type: SINGLE REDUCTION; Gear Type: HELICAL; Total Ratio: 25 TO 1; End Item Identification: TRACTOR, FLIGHTLINE TOWING. 3 specifications are documented in the U.S. Government catalog.

Is NSN 3010-01-451-3715 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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