PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M681Bearing,roller,needle

Timken Aerospace, Inc Dba Torrington Product · NSN 3110-00-227-3874 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-227-3874 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-227-3874. Primary manufacturer part number: M681.
Features
  • Bearing,roller,needle — FSC 3110
  • Surface Finish: GROUND
  • Style Designator: NON-SEPARABLE, CLOSED END, DRAWN SHELL
  • Alignment Type: RIGID
  • Overall Outside Diameter: 0.5625 INCHES NOMINAL IN
  • Standard Tolerance Designation: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
  • Material: STEEL OVERALL
  • Retainer Fabrication Method: PRESSED
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,roller,needle, cataloged under National Stock Number 3110-00-227-3874, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Timken Aerospace, Inc Dba Torrington Product. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-227-3874
Primary Part NumberM681
Item NameBearing,roller,needle
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerTimken Aerospace, Inc Dba Torrington Product
StatusCANCELLED
Surface FinishGROUND
Style DesignatorNON-SEPARABLE, CLOSED END, DRAWN SHELL
Alignment TypeRIGID
Overall Outside Diameter0.5625 INCHES NOMINAL IN
Standard Tolerance DesignationAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
MaterialSTEEL OVERALL
Retainer Fabrication MethodPRESSED
Bore Diameter0.3750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
2530-00-383-4819FE681 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
4030-01-218-1567M681 INTERCHANGEABLE
Hook,grab
Lift-a-Loft, Llc
1240-01-724-8765M681 INTERCHANGEABLE
Sight Unit
Lightforce Usa, Incorporated Div Mil-Gov-Le
Cross-Reference Index
Part NumberManufacturer
M681 Timken Aerospace, Inc Dba Torrington Product (USA)
2557114 Perkins Engines Inc (USA)
171B617P1 General Electric Company (USA)
X13150 Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc (USA)
Related Parts
2530-00-383-4819INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
FE681
4030-01-218-1567INTERCHANGEABLE
HOOK,GRAB
M681
1240-01-724-8765INTERCHANGEABLE
SIGHT UNIT
M681

Frequently Asked Questions

What is NSN 3110-00-227-3874?

NSN 3110-00-227-3874 is a Bearing,roller,needle, manufactured by Timken Aerospace, Inc Dba Torrington Product, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-227-3874?

NSN 3110-00-227-3874 has 4 cross-referenced part numbers: M681 (Timken Aerospace, Inc Dba Torrington Product), 2557114 (Perkins Engines Inc), 171B617P1 (General Electric Company), X13150 (Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc).

What NSN replaces 3110-00-227-3874?

There are 3 known substitutes for 3110-00-227-3874: 2530-00-383-4819, 4030-01-218-1567, 1240-01-724-8765. Verify interchangeability with system specifications before substitution.

What are the specifications of M681?

Key specifications for M681: Special Features: EXTRA CAPACITY OUTER RING; Surface Finish: GROUND; Style Designator: NON-SEPARABLE, CLOSED END, DRAWN SHELL; Alignment Type: RIGID. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-227-3874 still in active supply?

NSN 3110-00-227-3874 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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