PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8526-41Tube Extension

Cef Industries, Llc Dba Cef Industries Inc · NSN 1680-01-176-6354 · FSC 1680 · No Item Name Available
Verified by PartsTable
NSN 1680-01-176-6354 — this item is cataloged by the U.S. Government under National Stock Number 1680-01-176-6354. Primary manufacturer part number: 8526-41.
Features
  • Tube Extension — FSC 1680
  • FSC Application Data: AIRCRAFT ACCESSORY EQUIPMENT
  • General Characteristics Item Description: CORROSION STEEL TYPE 303 PER AMS 5640; FINISH PASSIVATE PER ES-103; 4.000 IN. LG; 0.500 IN. DIA IN
  • 1 verified cross-reference
  • Primary manufacturer: Cef Industries, Llc Dba Cef Industries Inc
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Tube Extension, cataloged under National Stock Number 1680-01-176-6354, is classified within Federal Supply Class 1680 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Cef Industries, Llc Dba Cef Industries Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1680-01-176-6354
Primary Part Number8526-41
Item NameTube Extension
FSC / FSG1680 / 16 — No Item Name Available
ManufacturerCef Industries, Llc Dba Cef Industries Inc
StatusACTIVE
FSC Application DataAIRCRAFT ACCESSORY EQUIPMENT
General Characteristics Item DescriptionCORROSION STEEL TYPE 303 PER AMS 5640; FINISH PASSIVATE PER ES-103; 4.000 IN. LG; 0.500 IN. DIA IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2930-00-366-6464 INTERCHANGEABLE
Plate,pump,water
Cross-Reference Index
Part NumberManufacturer
8526-41 PRIMARY Cef Industries, Llc Dba Cef Industries Inc (USA)
Related Parts
2930-00-366-6464INTERCHANGEABLE
PLATE,PUMP,WATER

Frequently Asked Questions

What is NSN 1680-01-176-6354?

NSN 1680-01-176-6354 is a Tube Extension, manufactured by Cef Industries, Llc Dba Cef Industries Inc, classified under FSC 1680 (No Item Name Available). Status: active.

What are the part numbers for NSN 1680-01-176-6354?

NSN 1680-01-176-6354 has 1 cross-referenced part number: 8526-41 (Cef Industries, Llc Dba Cef Industries Inc).

What NSN replaces 1680-01-176-6354?

There is 1 known substitute for 1680-01-176-6354: 2930-00-366-6464. Verify interchangeability with system specifications before substitution.

What are the specifications of 8526-41?

Key specifications for 8526-41: End Item Identification: C-130H AIRCRAFT; FSC Application Data: AIRCRAFT ACCESSORY EQUIPMENT; General Characteristics Item Description: CORROSION STEEL TYPE 303 PER AMS 5640; FINISH PASSIVATE PER ES-103; 4.000 IN. LG; 0.500 IN. DIA IN. 3 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com