PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12CBearing Assy

Triangle Manufacturing Co · NSN 3110-01-276-9440 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-276-9440 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-276-9440. Primary manufacturer part number: 12C.
Features
  • Bearing Assy — FSC 3110
  • 2 verified cross-references
  • Primary manufacturer: Triangle Manufacturing Co
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing Assy, cataloged under National Stock Number 3110-01-276-9440, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Triangle Manufacturing Co. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBearing Assy
FSC / FSG3110 — No Item Name Available (FSG 31)
ManufacturersTriangle Manufacturing Co (CAGE 87946); Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (CAGE 81755)
Technical Specifications
ParameterValue
NSN3110-01-276-9440
Primary Part Number12C
Item NameBearing Assy
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerTriangle Manufacturing Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5330-00-100-7692420508Y1 INTERCHANGEABLE
Gasket
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
4730-00-221-2128AN929-12 INTERCHANGEABLE
Cap,tube
Sae International Dba Sae International
6240-00-246-5059 INTERCHANGEABLE
Lamp,incandescent
5970-00-410-5961 INTERCHANGEABLE
Insulating Compound Kit,electric
5330-00-542-102612C INTERCHANGEABLE
Packing,preformed
The Walworth Company
5930-00-906-3714 INTERCHANGEABLE
Switch,push
4720-00-989-6478 INTERCHANGEABLE
Hose,nonmetallic
4140-01-390-1729 INTERCHANGEABLE
Fan,ventilating
5999-01-675-873012C INTERCHANGEABLE
Strip,electrical Grounding
Roi Development Corp. Dba Newmar
Cross-Reference Index
Part NumberManufacturer
12C PRIMARY Triangle Manufacturing Co (USA)
C20486-1 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
Related Parts
5330-00-100-7692INTERCHANGEABLE
GASKET
420508Y1
4730-00-221-2128INTERCHANGEABLE
CAP,TUBE
AN929-12
6240-00-246-5059INTERCHANGEABLE
LAMP,INCANDESCENT
5970-00-410-5961INTERCHANGEABLE
INSULATING COMPOUND KIT,ELECTRIC
5330-00-542-1026INTERCHANGEABLE
PACKING,PREFORMED
12C
5930-00-906-3714INTERCHANGEABLE
SWITCH,PUSH
4720-00-989-6478INTERCHANGEABLE
HOSE,NONMETALLIC
4140-01-390-1729INTERCHANGEABLE
FAN,VENTILATING
5999-01-675-8730INTERCHANGEABLE
STRIP,ELECTRICAL GROUNDING
12C

Frequently Asked Questions

What is NSN 3110-01-276-9440?

NSN 3110-01-276-9440 is a Bearing Assy, manufactured by Triangle Manufacturing Co, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-276-9440?

NSN 3110-01-276-9440 has 2 cross-referenced part numbers: 12C (Triangle Manufacturing Co), C20486-1 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company).

What NSN replaces 3110-01-276-9440?

There are 9 known substitutes for 3110-01-276-9440: 5330-00-100-7692, 4730-00-221-2128, 6240-00-246-5059 and 6 more. Verify interchangeability with system specifications before substitution.

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