PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A6578End Fitting,flexible Casing

Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division · NSN 3040-00-585-4048 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-585-4048 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-585-4048. Primary manufacturer part number: A6578.
Features
  • End Fitting,flexible Casing — FSC 3040
  • General Characteristics Item Description: ALUMINUM ALLOY,ANODIZED FINISH,U/W 0.406 IN. OD FLEXIBLE CASING,MTG FLANGE TYPE,DIM. DATA,0.688 IN. LG O/A,0.875 IN.,0.625 IN. OD SHANK,END DATA,0.437 IN. ID,0.688 IN. LG BORE,W/FLANGE,0.094 IN. THK,W/MTG HOLES,4,0.120 IN. DIA,SPACED 0.625 IN. C TO C,THD DATA,MALE THD,0.625 IN. -27 THD,NS RH,CLASS 2 FIT,0.307 IN. LG IN
  • 2 verified cross-references
  • Primary manufacturer: Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The End Fitting,flexible Casing, cataloged under National Stock Number 3040-00-585-4048, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division. Government technical data includes 1 verified specification, 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-00-585-4048
Primary Part NumberA6578
Item NameEnd Fitting,flexible Casing
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerEaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division
StatusACTIVE
General Characteristics Item DescriptionALUMINUM ALLOY,ANODIZED FINISH,U/W 0.406 IN. OD FLEXIBLE CASING,MTG FLANGE TYPE,DIM. DATA,0.688 IN. LG O/A,0.875 IN.,0.625 IN. OD SHANK,END DATA,0.437 IN. ID,0.688 IN. LG BORE,W/FLANGE,0.094 IN. THK,W/MTG HOLES,4,0.120 IN. DIA,SPACED 0.625 IN. C TO C,THD DATA,MALE THD,0.625 IN. -27 THD,NS RH,CLASS 2 FIT,0.307 IN. LG IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5950-00-901-4629SM-B-414070 INTERCHANGEABLE
Coil,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5310-01-149-9548A-6578 INTERCHANGEABLE
Nut
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
5915-01-397-7593175613-102 INTERCHANGEABLE
Filter,radio Frequency Interfere
L3harris Technologies, Inc. Dba Harris Corporation Div L3harris Technologies Inc Dba Harris Corporation
Cross-Reference Index
Part NumberManufacturer
A6578 Eaton Motor Site (USA)
A6578 PRIMARY Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division (USA)
Related Parts
5950-00-901-4629INTERCHANGEABLE
COIL,RADIO FREQUENCY
SM-B-414070
5310-01-149-9548INTERCHANGEABLE
NUT
A-6578
5915-01-397-7593INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
175613-102

Frequently Asked Questions

What is NSN 3040-00-585-4048?

NSN 3040-00-585-4048 is a End Fitting,flexible Casing, manufactured by Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-00-585-4048?

NSN 3040-00-585-4048 has 2 cross-referenced part numbers: A6578 (Eaton Motor Site), A6578 (Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division).

What NSN replaces 3040-00-585-4048?

There are 3 known substitutes for 3040-00-585-4048: 5950-00-901-4629, 5310-01-149-9548, 5915-01-397-7593. Verify interchangeability with system specifications before substitution.

What are the specifications of A6578?

Key specifications for A6578: General Characteristics Item Description: ALUMINUM ALLOY,ANODIZED FINISH,U/W 0.406 IN. OD FLEXIBLE CASING,MTG FLANGE TYPE,DIM. DATA,0.688 IN. LG O/A,0.875 IN.,0.625 IN. OD SHANK,END DATA,0.437 IN. ID,0.688 IN. LG BORE,W/FLANGE,0.094 IN. THK,W/MTG HOLES,4,0.120 IN. DIA,SPACED 0.625 IN. C TO C,THD DATA,MALE THD,0.625 IN. -27 THD,NS RH,CLASS 2 FIT,0.307 IN. LG IN. 1 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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