PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

251515Bearing,ball,annular

Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace · NSN 3110-00-135-5919 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-135-5919 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-135-5919. Primary manufacturer part number: 251515.
Features
  • Bearing,ball,annular — FSC 3110
  • Bore Shape: STRAIGHT
  • Material: STEEL COMP E52100 BALL
  • Material: STEEL COMP E52100 INNER RING
  • Material: PLASTIC PHENOLIC CAGE
  • Material: STEEL COMP E52100 OUTER RING
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Surface Finish: GROUND
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp E52100 Ball construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-135-5919, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-135-5919
Primary Part Number251515
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
StatusACTIVE
Bore ShapeSTRAIGHT
MaterialSTEEL COMP E52100 BALL
MaterialSTEEL COMP E52100 INNER RING
MaterialPLASTIC PHENOLIC CAGE
MaterialSTEEL COMP E52100 OUTER RING
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Surface FinishGROUND
Overall Outside Diameter4.3301 INCHES MINIMUM AND 4.3307 INCHES MAXIMUM IN
Bore Diameter3.1490 INCHES MINIMUM AND 3.1496 INCHES MAXIMUM IN
Load DirectionRADIAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-227-23301916S INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
Cross-Reference Index
Part NumberManufacturer
1916S Skf Usa Inc. (USA)
251515 Kidde-Fenwal, Llc (USA)
251515 PRIMARY Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
Related Parts
3110-00-227-2330INTERCHANGEABLE
BEARING,BALL,ANNULAR
1916S

Frequently Asked Questions

What is NSN 3110-00-135-5919?

NSN 3110-00-135-5919 is a Bearing,ball,annular, manufactured by Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-135-5919?

NSN 3110-00-135-5919 has 3 cross-referenced part numbers: 1916S (Skf Usa Inc.), 251515 (Kidde-Fenwal, Llc), 251515 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).

What NSN replaces 3110-00-135-5919?

There is 1 known substitute for 3110-00-135-5919: 3110-00-227-2330. Verify interchangeability with system specifications before substitution.

What are the specifications of 251515?

Key specifications for 251515: End Item Identification: C-5A ACFT A; Bore Shape: STRAIGHT; Material: STEEL COMP E52100 BALL; Material: STEEL COMP E52100 INNER RING. 12 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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