PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS21439-110Bearing,roller,needle

Sae International Dba Sae International · NSN 3110-01-217-2327 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-217-2327 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-217-2327. Primary manufacturer part number: MS21439-110.
Features
  • Bearing,roller,needle — FSC 3110
  • Outer Ring Width: 1.4400 INCHES NOMINAL IN
  • Bearing Seal Type: CONTACT
  • Alignment Type: RIGID
  • Seal Quantity: 2
  • Inner Ring Width: 1.5000 INCHES NOMINAL IN
  • Lubrication Material: GREASE
  • Surface Finish: UNGROUND
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel End Plate construction
General Description

The Bearing,roller,needle, cataloged under National Stock Number 3110-01-217-2327, 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 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 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
NSN3110-01-217-2327
Primary Part NumberMS21439-110
Item NameBearing,roller,needle
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusACTIVE
Outer Ring Width1.4400 INCHES NOMINAL IN
Bearing Seal TypeCONTACT
Alignment TypeRIGID
Seal Quantity2
Inner Ring Width1.5000 INCHES NOMINAL IN
Lubrication MaterialGREASE
Surface FinishUNGROUND
Standard Tolerance DesignationAFBMA STD TOLERANCE FOR AIRFRAME NEEDLE BEARINGS
Surface Treatment Document and ClassificationQQ-C-320 FED SPEC SINGLE TREATMENT RESPONSE OUTER RING
Material Document and ClassificationMIL-S-7493 AND MIL-S-8690 MIL SPEC 1ST MATERIAL RESPONSE AND 66,E50100,E51100 AND E52100 FED STD 2ND MATERIAL RESPONSE AND QQ-S-700 FED SPEC 3RD MATERIAL RESPONSE AND ASTM A304,A322 AND A331 ASSN STD 4TH MATERIAL RESPONSE INNER RING
Overall Outside Diameter1.6250 INCHES NOMINAL IN
MaterialSTEEL END PLATE
MaterialSTEEL ROLLER
Material Document and ClassificationMIL-S-7493 AND MIL-S-8690 MIL SPEC 1ST MATERIAL RESPONSE AND 66,E50100,E51100 AND E52100 FED STD 2ND MATERIAL RESPONSE AND QQ-S-700 FED SPEC 3RD MATERIAL RESPONSE AND ASTM A304,A322 AND A331 ASSN STD 4TH MATERIAL RESPONSE OUTER RING
Surface TreatmentCADMIUM OR OXIDE INNER RING
Bore Diameter0.6250 INCHES NOMINAL IN
Material Document and ClassificationMIL-S-7493 AND MIL-S-8690 MIL SPEC 1ST MATERIAL RESPONSE AND 66,E50100,E51100 AND E52100 FED STD 2ND MATERIAL RESPONSE AND QQ-S-700 FED SPEC 3RD MATERIAL RESPONSE AND ASTM A304,A322 AND A331 ASSN STD 4TH MATERIAL RESPONSE END PLATE
Material Document and ClassificationMIL-S-7493 AND MIL-S-8690 MIL SPEC 1ST MATERIAL RESPONSE AND 66,E50100,E51100 AND E52100 FED STD 2ND MATERIAL RESPONSE AND QQ-S-700 FED SPEC 3RD MATERIAL RESPONSE AND ASTM A304,A322 AND A331 ASSN STD 4TH MATERIAL RESPONSE ROLLER
Material Document and ClassificationL-P-410 MIL SPEC 1ST MATERIAL RESPONSE AND L-P-392 MIL SPEC 2ND MATERIAL RESPONSE SEAL
Style DesignatorAIRFRAME, HARDENED AND GROUND, NON-SEPARABLE
Lubrication Material Document and ClassificationDC510,DOW CORNING CORP MFR REF SINGLE MATERIAL RESPONSE
Surface Treatment Document and ClassificationQQ-P-416,CL 2 FED SPEC 1ST TREATMENT RESPONSE OR MIL-C-13924 MIL SPEC 2ND TREATMENT RESPONSE INNER RING
MaterialSTEEL OUTER RING
MaterialPLASTIC POLYHEXAMETHYLENE ADIPAMIDE AND PLASTIC ACETAL AND PLASTIC POLYESTER SEAL
Surface TreatmentCHROMIUM OUTER RING
Surface TreatmentCADMIUM END PLATE
Surface Treatment Document and ClassificationQQ-P-416,CL 2 FED SPEC SINGLE TREATMENT RESPONSE END PLATE
MaterialSTEEL INNER RING
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
3110-01-217-2843MS21439-114 INTERCHANGEABLE
Bearing,roller,needle
Sae International Dba Sae International
3110-01-338-2755MS21439-108 INTERCHANGEABLE
Bearing,roller,needle
Sae International Dba Sae International
3110-01-675-9506MS21439-116 INTERCHANGEABLE
Bearing,roller,needle
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
MS21439-110 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AS21439 Sae International Dba Sae International (USA)
MS21439-110 PRIMARY Sae International Dba Sae International (USA)
AS21439 Society of Automotive Engineers Inc (USA)
MS21439-110 Society of Automotive Engineers Inc (USA)
Related Parts
3110-01-138-7272INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
MS21439-124
3110-01-217-2326INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
MS21439-106
3110-01-217-2843INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
MS21439-114
3110-01-338-2755INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
MS21439-108
3110-01-675-9506INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
MS21439-116

Frequently Asked Questions

What is NSN 3110-01-217-2327?

NSN 3110-01-217-2327 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 3110-01-217-2327?

NSN 3110-01-217-2327 has 5 cross-referenced part numbers: MS21439-110 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), AS21439 (Sae International Dba Sae International), MS21439-110 (Sae International Dba Sae International), AS21439 (Society of Automotive Engineers Inc), MS21439-110 (Society of Automotive Engineers Inc).

What NSN replaces 3110-01-217-2327?

There are 5 known substitutes for 3110-01-217-2327: 3110-01-138-7272, 3110-01-217-2326, 3110-01-217-2843 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS21439-110?

Key specifications for MS21439-110: Outer Ring Width: 1.4400 INCHES NOMINAL IN; Bearing Seal Type: CONTACT; Alignment Type: RIGID; Seal Quantity: 2. 29 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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