PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS51961-21Bearing,roller,needle

American Society for Testing and Materials Dba Astm International · NSN 3110-00-227-3248 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-227-3248 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-227-3248. Primary manufacturer part number: MS51961-21.
Features
  • Bearing,roller,needle — FSC 3110
  • Retainer Fabrication Method: PRESSED
  • Bore Diameter: 1.5000 INCHES NOMINAL IN
  • Alignment Type: RIGID
  • Surface Finish: GROUND
  • Style Designator: NON-SEPARABLE, WITH ROLLER RETAINER, HARDENED AND GROUND
  • Material: STEEL OVERALL
  • Overall Outside Diameter: 2.0625 INCHES NOMINAL IN
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 3110-00-227-3248, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is American Society for Testing and Materials Dba Astm International. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-227-3248
Primary Part NumberMS51961-21
Item NameBearing,roller,needle
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerAmerican Society for Testing and Materials Dba Astm International
StatusCANCELLED
Retainer Fabrication MethodPRESSED
Bore Diameter1.5000 INCHES NOMINAL IN
Alignment TypeRIGID
Surface FinishGROUND
Style DesignatorNON-SEPARABLE, WITH ROLLER RETAINER, HARDENED AND GROUND
MaterialSTEEL OVERALL
Overall Outside Diameter2.0625 INCHES NOMINAL IN
Standard Tolerance DesignationAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
4820-00-095-1876AA11348A INTERCHANGEABLE
Valve,directional Flow Control
Eaton Aerospace, Llc Dba Jackson South
5999-00-171-315090031 INTERCHANGEABLE
Contact,electrical
Telemechanics Inc
3110-00-227-3202MS51961-5 AND MS51962-4 INTERCHANGEABLE
Bearing,roller,needle
American Society for Testing and Materials Dba Astm International
5340-00-710-997190031 INTERCHANGEABLE
Mount,resilient,utility
Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp
6150-00-890-3047420-53-3666 INTERCHANGEABLE
Lead Assembly,electrical
Raytheon Company Dba Raytheon
5305-01-266-735890031 INTERCHANGEABLE
Screw,cap,socket Head
L3 Technologies, Inc. Div L3 Keo
4920-01-299-029490031 INTERCHANGEABLE
Test Program Set
Textron Systems Corporation Dba Textron Systems Corp
4920-01-373-5969900-31 INTERCHANGEABLE
Arm,pitot Test Adapter
Nav-Aids Ltd
1005-01-459-2616900-31 INTERCHANGEABLE
Bar Actuator
Daisy Manufacturing Company Dba Daisy Manufacturing Co
5840-01-479-0196 INTERCHANGEABLE
Radar Set Subassembly
Cross-Reference Index
Part NumberManufacturer
ASTM F 2246 American Society for Testing and Materials Dba Astm International (USA)
13007 PIECE 459 Calgon Carbon Uv Technologies Llc Dba Hyde Marine (USA)
MS51961-21 PRIMARY American Society for Testing and Materials Dba Astm International (USA)
3110002273248 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
9003-1 Eaton Corporation Div Eaton Fluid Power (USA)
A24013-10-10 Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA)
MS51961-21 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
BRG402322 Linde Lift Truck Corp. (USA)
MR24N Mcgill Manufacturing Co, Inc (USA)
HJ-243316 Timken Aerospace, Inc Dba Torrington Product (USA)
BRG402322 Linde Material Handling North America Corporation (USA)
3110002273248 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
SJ7274 Rbc Bearings Incorporated Div West Trenton Division (USA)
Related Parts
4820-00-095-1876INTERCHANGEABLE
VALVE,DIRECTIONAL FLOW CONTROL
AA11348A
5999-00-171-3150INTERCHANGEABLE
CONTACT,ELECTRICAL
90031
3110-00-227-3202INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
MS51961-5 AND MS51962-4
5340-00-710-9971INTERCHANGEABLE
MOUNT,RESILIENT,UTILITY
90031
6150-00-890-3047INTERCHANGEABLE
LEAD ASSEMBLY,ELECTRICAL
420-53-3666
5305-01-266-7358INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
90031
4920-01-299-0294INTERCHANGEABLE
TEST PROGRAM SET
90031
4920-01-373-5969INTERCHANGEABLE
ARM,PITOT TEST ADAPTER
900-31
1005-01-459-2616INTERCHANGEABLE
BAR ACTUATOR
900-31
5840-01-479-0196INTERCHANGEABLE
RADAR SET SUBASSEMBLY
6120-01-496-1999INTERCHANGEABLE
POWER SUPPLY

Frequently Asked Questions

What is NSN 3110-00-227-3248?

NSN 3110-00-227-3248 is a Bearing,roller,needle, manufactured by American Society for Testing and Materials Dba Astm International, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-227-3248?

NSN 3110-00-227-3248 has 13 cross-referenced part numbers: ASTM F 2246 (American Society for Testing and Materials Dba Astm International), 13007 PIECE 459 (Calgon Carbon Uv Technologies Llc Dba Hyde Marine), MS51961-21 (American Society for Testing and Materials Dba Astm International), 3110002273248 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 9003-1 (Eaton Corporation Div Eaton Fluid Power) and 8 more.

What NSN replaces 3110-00-227-3248?

There are 11 known substitutes for 3110-00-227-3248: 4820-00-095-1876, 5999-00-171-3150, 3110-00-227-3202 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS51961-21?

Key specifications for MS51961-21: Retainer Fabrication Method: PRESSED; Bore Diameter: 1.5000 INCHES NOMINAL IN; Overall Width: 1.0000 INCHES NOMINAL IN; Alignment Type: RIGID. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-227-3248 still in active supply?

NSN 3110-00-227-3248 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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