PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28965-15-7SBearing,ball,annular

Triumph Engine Control Systems Llc · NSN 3110-00-554-0815 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-554-0815 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-554-0815. Primary manufacturer part number: 28965-15-7S.
Features
  • Bearing,ball,annular — FSC 3110
  • Load Direction: RADIAL
  • Surface Finish: GROUND
  • Material: STEEL OVERALL
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Bore Diameter: 0.1875 INCHES NOMINAL IN
  • Standard Tolerance Designation: ABEC NO.7
  • Internal Clearance: 0.0003 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-554-0815, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-554-0815
Primary Part Number28965-15-7S
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerTriumph Engine Control Systems Llc
StatusACTIVE
Load DirectionRADIAL
Surface FinishGROUND
MaterialSTEEL OVERALL
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Bore Diameter0.1875 INCHES NOMINAL IN
Standard Tolerance DesignationABEC NO.7
Internal Clearance0.0003 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
Retainer Fabrication MethodPRESSED
Bore ShapeSTRAIGHT
Overall Outside Diameter0.5000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-157-194077343920 INTERCHANGEABLE
Bearing,ball,annular
Goodrich Limited Div Goodrich Ltd
3120-00-339-3723BS5-2017-57 INTERCHANGEABLE
Bushing,sleeve
Circor Naval Solutions Llc Dba Warren Pumps
2920-00-758-00032095608 INTERCHANGEABLE
Relay-Solenoid,engine Starter,el
Drs Network & Imaging Systems, Llc
5325-01-215-0220R235A071-1 INTERCHANGEABLE
Ring,retaining
Telephonics Corp
4810-01-308-7244S3R INTERCHANGEABLE
Spool
A a a Products Co
6515-01-531-0650SR3 INTERCHANGEABLE
Retractor,cheek
Spurgeon Co
Cross-Reference Index
Part NumberManufacturer
SR3 New Hampshire Ball Bearings Inc Div Hitech Division (USA)
CC1671 Mitchell Camera Corp (USA)
R3DZC7508J9 General Motors Corp Delco Moraine Ndh Div (USA)
28965-15-7S Transupport Inc Dba Transupport Inc (USA)
SSR-3RA7P25L01P New Hampshire Ball Bearings Inc Div Precision Division (USA)
R3K3ABEC7 Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA)
28965-15-7S PRIMARY Triumph Engine Control Systems Llc (USA)
SR3 New Hampshire Ball Bearings Inc Div Astro Division (USA)
28965-15-7S Goodrich Control Systems Gmbh (DEU)
28965-15-7S New Hampshire Ball Bearings Inc Div Precision Division (USA)
Related Parts
3110-00-157-1940INTERCHANGEABLE
BEARING,BALL,ANNULAR
77343920
3120-00-339-3723INTERCHANGEABLE
BUSHING,SLEEVE
BS5-2017-57
2920-00-758-0003INTERCHANGEABLE
RELAY-SOLENOID,ENGINE STARTER,EL
2095608
5325-01-215-0220INTERCHANGEABLE
RING,RETAINING
R235A071-1
4810-01-308-7244INTERCHANGEABLE
SPOOL
S3R
6515-01-531-0650INTERCHANGEABLE
RETRACTOR,CHEEK
SR3

Frequently Asked Questions

What is NSN 3110-00-554-0815?

NSN 3110-00-554-0815 is a Bearing,ball,annular, manufactured by Triumph Engine Control Systems Llc, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-554-0815?

NSN 3110-00-554-0815 has 10 cross-referenced part numbers: SR3 (New Hampshire Ball Bearings Inc Div Hitech Division), CC1671 (Mitchell Camera Corp), R3DZC7508J9 (General Motors Corp Delco Moraine Ndh Div), 28965-15-7S (Transupport Inc Dba Transupport Inc), SSR-3RA7P25L01P (New Hampshire Ball Bearings Inc Div Precision Division) and 5 more.

What NSN replaces 3110-00-554-0815?

There are 6 known substitutes for 3110-00-554-0815: 3110-00-157-1940, 3120-00-339-3723, 2920-00-758-0003 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 28965-15-7S?

Key specifications for 28965-15-7S: Load Direction: RADIAL; Surface Finish: GROUND; Material: STEEL OVERALL; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE. 11 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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