PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

57861Coupling Half,shaft

Cae Usa Inc. · NSN 3010-00-371-2128 · FSC 3010 · No Item Name Available
Verified by PartsTable
NSN 3010-00-371-2128 — this item is cataloged by the U.S. Government under National Stock Number 3010-00-371-2128. Primary manufacturer part number: 57861.
Features
  • Coupling Half,shaft — FSC 3010
  • Bore Diameter: 0.2500 INCHES NOMINAL IN
  • Bore Shape: STRAIGHT
  • Material: ALUMINUM ALLOY
  • Outside Diameter: 1.125 INCHES NOMINAL IN
  • Body Style: 1 PERIPHERAL KEYWAY, THROUGH BORE
  • Bore Length: 0.2500 INCHES NOMINAL IN
  • 2 verified cross-references
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Coupling Half,shaft, cataloged under National Stock Number 3010-00-371-2128, is classified within Federal Supply Class 3010 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Cae Usa Inc.. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3010-00-371-2128
Primary Part Number57861
Item NameCoupling Half,shaft
FSC / FSG3010 / 30 — No Item Name Available
ManufacturerCae Usa Inc.
StatusACTIVE
Bore Diameter0.2500 INCHES NOMINAL IN
Bore ShapeSTRAIGHT
MaterialALUMINUM ALLOY
Outside Diameter1.125 INCHES NOMINAL IN
Body Style1 PERIPHERAL KEYWAY, THROUGH BORE
Bore Length0.2500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2815-00-361-2934 INTERCHANGEABLE
Flange,crankshaft
4820-00-444-4897B57861 INTERCHANGEABLE
Valve,flow Control
Eaton Aerospace, Llc Dba Jackson South
Cross-Reference Index
Part NumberManufacturer
57861 PRIMARY Cae Usa Inc. (USA)
57861 Raytheon Technical Services Company (USA)
Related Parts
2815-00-361-2934INTERCHANGEABLE
FLANGE,CRANKSHAFT
4820-00-444-4897INTERCHANGEABLE
VALVE,FLOW CONTROL
B57861

Frequently Asked Questions

What is NSN 3010-00-371-2128?

NSN 3010-00-371-2128 is a Coupling Half,shaft, manufactured by Cae Usa Inc., classified under FSC 3010 (No Item Name Available). Status: active.

What are the part numbers for NSN 3010-00-371-2128?

NSN 3010-00-371-2128 has 2 cross-referenced part numbers: 57861 (Cae Usa Inc.), 57861 (Raytheon Technical Services Company).

What NSN replaces 3010-00-371-2128?

There are 2 known substitutes for 3010-00-371-2128: 2815-00-361-2934, 4820-00-444-4897. Verify interchangeability with system specifications before substitution.

What are the specifications of 57861?

Key specifications for 57861: Special Features: YFSC APPLICATION DATA:TRAINER,INSTRUMENT FLYING; SURFACE TREATMENT:ANODIZED; DISTANCE FROM BORE CENTERLINE TO BODY KEYING FACILITY BOTTOM/TOP:0.4375" NOM.; BODY KEYING FACILITY WD:0.0630" NOM.; HOLE THREAD SIZE DESIGNATOR:4(0.0112) - 40; THREADED HOLE LOCATION:(1) HOLE LOCATED 90 DEG. FROM KEYWAY; THREADED HOLE QTY:1; SECURING METHOD:THREADED HOLE; KEYING FACILITY AND BORE COUNTERBORE FEATURE:NOT INCLUDED; HUB OD:0.4375" NOM.; THREAD PROVISION:UNTHREADED; FLANGE THICKNESS:0.0625" NOM.; Bore Diameter: 0.2500 INCHES NOMINAL IN; Bore Shape: STRAIGHT; Material: ALUMINUM ALLOY. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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