PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS21439-116Bearing,roller,needle

Sae International Dba Sae International · NSN 3110-01-675-9506 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-675-9506 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-675-9506. Primary manufacturer part number: MS21439-116.
Features
  • Bearing,roller,needle — FSC 3110
  • Alignment Type: RIGID
  • Standard Tolerance Designation: AFBMA STD TOLERANCE FOR AIRFRAME NEEDLE BEARINGS
  • Outer Ring Width: 2.1900 INCHES NOMINAL IN
  • Material: PLASTIC ACETAL SEAL
  • Bearing Seal Type: CONTACT
  • Surface Treatment: CADMIUM END PLATE
  • Material: STEEL COMP 304 OVERALL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Plastic Acetal Seal construction
General Description

The Bearing,roller,needle, cataloged under National Stock Number 3110-01-675-9506, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Sae International Dba Sae International. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-01-675-9506
Primary Part NumberMS21439-116
Item NameBearing,roller,needle
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusACTIVE
Alignment TypeRIGID
Standard Tolerance DesignationAFBMA STD TOLERANCE FOR AIRFRAME NEEDLE BEARINGS
Outer Ring Width2.1900 INCHES NOMINAL IN
MaterialPLASTIC ACETAL SEAL
Bearing Seal TypeCONTACT
Surface TreatmentCADMIUM END PLATE
MaterialSTEEL COMP 304 OVERALL
Inner Ring Width2.2500 INCHES NOMINAL IN
Overall Outside Diameter2.3750 INCHES NOMINAL IN
Surface FinishGROUND
Seal Quantity2
Lubrication MaterialGREASE
Surface TreatmentCHROMIUM OUTER RING
Surface TreatmentCADMIUM INNER RING
Style DesignatorAIRFRAME, HARDENED AND GROUND, NON-SEPARABLE
Bore Diameter1.0000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3110-01-138-7272MS21439-124 INTERCHANGEABLE
Bearing,roller,needle
Sae International Dba Sae International
3110-01-217-2326MS21439-106 INTERCHANGEABLE
Bearing,roller,needle
Sae International Dba Sae International
3110-01-217-2327MS21439-110 INTERCHANGEABLE
Bearing,roller,needle
Sae International Dba Sae International
3110-01-217-2843MS21439-114 INTERCHANGEABLE
Bearing,roller,needle
Sae International Dba Sae International
3110-01-338-2755MS21439-108 INTERCHANGEABLE
Bearing,roller,needle
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
MS21439-116 PRIMARY Sae International Dba Sae International (USA)
MS21439-116 Rbc Aircraft Products, Inc. (USA)
AS21439 Sae International Dba Sae International (USA)
Related Parts
3110-01-138-7272INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
MS21439-124
3110-01-217-2326INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
MS21439-106
3110-01-217-2327INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
MS21439-110
3110-01-217-2843INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
MS21439-114
3110-01-338-2755INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
MS21439-108

Frequently Asked Questions

What is NSN 3110-01-675-9506?

NSN 3110-01-675-9506 is a Bearing,roller,needle, manufactured by Sae International Dba Sae International, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-675-9506?

NSN 3110-01-675-9506 has 3 cross-referenced part numbers: MS21439-116 (Sae International Dba Sae International), MS21439-116 (Rbc Aircraft Products, Inc.), AS21439 (Sae International Dba Sae International).

What NSN replaces 3110-01-675-9506?

There are 5 known substitutes for 3110-01-675-9506: 3110-01-138-7272, 3110-01-217-2326, 3110-01-217-2327 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS21439-116?

Key specifications for MS21439-116: Part Name Assigned by Controlling Agency: BEARING,ROLLER,NEEDLE,DOUBLE ROW,HEAVY DUTY,TRACK ROLLER,SEALED,TYPE VI,INCH.; Alignment Type: RIGID; Standard Tolerance Designation: AFBMA STD TOLERANCE FOR AIRFRAME NEEDLE BEARINGS; Outer Ring Width: 2.1900 INCHES NOMINAL IN. 18 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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