PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

251530Bearing,ball,annular

Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace · NSN 3110-00-438-0188 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-438-0188 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-438-0188. Primary manufacturer part number: 251530.
Features
  • Bearing,ball,annular — FSC 3110
  • Overall Outside Diameter: 2.4409 INCHES NOMINAL IN
  • Load Direction: ANGULAR
  • Bearing Seal Type: CONTACT
  • Material: STEEL COMP E52100 BALL
  • Material: STEEL COMP E52100 OUTER RING
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Material: COPPER ALLOY RETAINER
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 3110-00-438-0188, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN3110-00-438-0188
Primary Part Number251530
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
StatusACTIVE
Overall Outside Diameter2.4409 INCHES NOMINAL IN
Load DirectionANGULAR
Bearing Seal TypeCONTACT
MaterialSTEEL COMP E52100 BALL
MaterialSTEEL COMP E52100 OUTER RING
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialCOPPER ALLOY RETAINER
MaterialSTEEL COMP E52100 INNER RING
Bore Diameter1.3780 INCHES NOMINAL IN
Seal Quantity2
Surface FinishGROUND
Bore ShapeSTRAIGHT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6515-01-260-1134367251 INTERCHANGEABLE
Blood Sample Collecting Kit
Becton-Dickinson and Co Vacutainer Systems Div
Cross-Reference Index
Part NumberManufacturer
251530 Kidde-Fenwal, Llc (USA)
251530 PRIMARY Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
Related Parts
6515-01-260-1134INTERCHANGEABLE
BLOOD SAMPLE COLLECTING KIT
367251

Frequently Asked Questions

What is NSN 3110-00-438-0188?

NSN 3110-00-438-0188 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 3110-00-438-0188?

NSN 3110-00-438-0188 has 2 cross-referenced part numbers: 251530 (Kidde-Fenwal, Llc), 251530 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).

What NSN replaces 3110-00-438-0188?

There is 1 known substitute for 3110-00-438-0188: 6515-01-260-1134. Verify interchangeability with system specifications before substitution.

What are the specifications of 251530?

Key specifications for 251530: Overall Outside Diameter: 2.4409 INCHES NOMINAL IN; Load Direction: ANGULAR; Bearing Seal Type: CONTACT; Material: STEEL COMP E52100 BALL. 13 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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