PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

17129 PIECE 2Fairlead,roller

Northern Line Machine Div of Commencement Intl Corp · NSN 3815-01-335-7784 · FSC 3815 · No Item Name Available
Verified by PartsTable
NSN 3815-01-335-7784 — this item is cataloged by the U.S. Government under National Stock Number 3815-01-335-7784. Primary manufacturer part number: 17129 PIECE 2.
Features
  • Fairlead,roller — FSC 3815
  • General Characteristics Item Description: STEEL CASTING; 16IN. DIA 7IN. HIGH IN
  • 2 verified cross-references
  • Primary manufacturer: Northern Line Machine Div of Commencement Intl Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Fairlead,roller, cataloged under National Stock Number 3815-01-335-7784, is classified within Federal Supply Class 3815 (No Item Name Available) of the Construction, Mining, Excavating Equipment group. The primary manufacturer of record is Northern Line Machine Div of Commencement Intl Corp. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3815-01-335-7784
Primary Part Number17129 PIECE 2
Item NameFairlead,roller
FSC / FSG3815 / 38 — No Item Name Available
ManufacturerNorthern Line Machine Div of Commencement Intl Corp
StatusACTIVE
General Characteristics Item DescriptionSTEEL CASTING; 16IN. DIA 7IN. HIGH IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
6105-00-284-049727123 INTERCHANGEABLE
End Bell,electrical Rotating Equ
Naval Inventory Control Point Mechanicsburg
4320-00-986-731211810-0003 INTERCHANGEABLE
Pump Unit,centrifugal
Itt Jabsco Products
5330-01-206-684527123 INTERCHANGEABLE
Gasket
Vaponics Inc
6515-01-227-3568271.23S INTERCHANGEABLE
Nail,bone,orthopedic
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
5340-01-274-2221 INTERCHANGEABLE
Door,access,utility
4140-01-292-5030 INTERCHANGEABLE
Bearing Housing Assembly
Cross-Reference Index
Part NumberManufacturer
17129 PIECE 2 Northern Line Machine Div of Commencement Intl Corp (USA)
27123 Northern Line Machine Div of Commencement Intl Corp (USA)
Related Parts
6105-00-284-0497INTERCHANGEABLE
END BELL,ELECTRICAL ROTATING EQU
27123
4320-00-986-7312INTERCHANGEABLE
PUMP UNIT,CENTRIFUGAL
11810-0003
5330-01-206-6845INTERCHANGEABLE
GASKET
27123
6515-01-227-3568INTERCHANGEABLE
NAIL,BONE,ORTHOPEDIC
271.23S
5340-01-274-2221INTERCHANGEABLE
DOOR,ACCESS,UTILITY
4140-01-292-5030INTERCHANGEABLE
BEARING HOUSING ASSEMBLY

Frequently Asked Questions

What is NSN 3815-01-335-7784?

NSN 3815-01-335-7784 is a Fairlead,roller, manufactured by Northern Line Machine Div of Commencement Intl Corp, classified under FSC 3815 (No Item Name Available). Status: active.

What are the part numbers for NSN 3815-01-335-7784?

NSN 3815-01-335-7784 has 2 cross-referenced part numbers: 17129 PIECE 2 (Northern Line Machine Div of Commencement Intl Corp), 27123 (Northern Line Machine Div of Commencement Intl Corp).

What NSN replaces 3815-01-335-7784?

There are 6 known substitutes for 3815-01-335-7784: 6105-00-284-0497, 4320-00-986-7312, 5330-01-206-6845 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 17129 PIECE 2?

Key specifications for 17129 PIECE 2: General Characteristics Item Description: STEEL CASTING; 16IN. DIA 7IN. HIGH 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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