PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M81793/08-EC1N2N1A1Bearing,ball,annular

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 3110-00-057-2593 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-057-2593 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-057-2593. Primary manufacturer part number: M81793/08-EC1N2N1A1.
Features
  • Bearing,ball,annular — FSC 3110
  • Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE INNER RING
  • Flange Width: 0.0230 INCHES NOMINAL IN
  • Surface Finish: GROUND
  • Outer Ring Outside Diameter: 0.3125 INCHES NOMINAL IN
  • Flange Outside Diameter: 0.3590 INCHES NOMINAL IN
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Bore Shape: STRAIGHT
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Corrosion Resisting Retainer construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-057-2593, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 23 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-057-2593
Primary Part NumberM81793/08-EC1N2N1A1
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE INNER RING
Flange Width0.0230 INCHES NOMINAL IN
Surface FinishGROUND
Outer Ring Outside Diameter0.3125 INCHES NOMINAL IN
Flange Outside Diameter0.3590 INCHES NOMINAL IN
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Bore ShapeSTRAIGHT
MaterialSTEEL CORROSION RESISTING RETAINER
MaterialSTEEL COMP 440C BALL
MaterialSTEEL COMP 440C INNER RING
Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE BALL
Lubrication Material Document and ClassificationMIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
Departure From Cited DesignatorAS MODIFIED BY INTERNAL CLEARANCE
Nondefinitive Spec/std Data5 GRADE AND 11 CLASS
Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OUTER RING
Standard Tolerance DesignationABEC NO.7
Internal Clearance0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
MaterialSTEEL COMP 440C OUTER RING
Lubrication MaterialOIL
Load DirectionRADIAL
Bore Diameter0.0937 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
3110-00-069-5597 INTERCHANGEABLE
Bearing,ball,annular
3110-00-227-22631016609 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3110-00-542-0083 INTERCHANGEABLE
Bearing,ball,annular
3110-00-555-4470 INTERCHANGEABLE
Bearing,ball,annular
3110-00-588-7349328C102H02 INTERCHANGEABLE
Bearing,ball,annular
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
3110-00-592-46621227299-1 INTERCHANGEABLE
Bearing,ball,annular
Honeywell International Inc. Dba Honeywell International
3110-00-724-78862469811-2 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3110-00-862-6967 INTERCHANGEABLE
Bearing,ball,annular
3110-00-942-8415115182-01 INTERCHANGEABLE
Bearing,ball,annular
Ge Aviation Systems Llc
5930-01-669-3583 INTERCHANGEABLE
Switch,sensitive
Cross-Reference Index
Part NumberManufacturer
M81793/08-EC1N2N1A1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
NM062D General Motors Corp (USA)
SFR1-5 New Hampshire Ball Bearings Inc Div Hitech Division (USA)
108861-15 Raytheon Company (USA)
SS5F Mpb Corp Div Timken Super Precision (USA)
SSRIF-5-HA5P25L01 New Hampshire Ball Bearings Inc Div Precision Division (USA)
124135-007 Goodrich Actuation Systems SAS (FRA)
275282 Bvr Technologies Co. (USA)
SS5FC Mpb Corp Div Timken Super Precision (USA)
NM062D General Motors Corp Delco Moraine Ndh Div (USA)
124135-007 Lucas France Sa Div Aerospace France (FRA)
941131-156 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
1015989-13 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
SSRIF-5A7P25L01 New Hampshire Ball Bearings Inc Div Precision Division (USA)
VPSFR1-5K25-0-11 Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA)
MIL-B-23063 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
SFR1-5K Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA)
S5FC5 Mpb Corp Div Timken Super Precision (USA)
S5FC Mpb Corp Div Timken Super Precision (USA)
SFR1-5K25ABEC7 New Hampshire Ball Bearings Inc Div Hitech Division (USA)
Related Parts
3110-00-069-5597INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-227-2263INTERCHANGEABLE
BEARING,BALL,ANNULAR
1016609
3110-00-542-0083INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-555-4470INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-588-7349INTERCHANGEABLE
BEARING,BALL,ANNULAR
328C102H02
3110-00-592-4662INTERCHANGEABLE
BEARING,BALL,ANNULAR
1227299-1
3110-00-724-7886INTERCHANGEABLE
BEARING,BALL,ANNULAR
2469811-2
3110-00-862-6967INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-942-8415INTERCHANGEABLE
BEARING,BALL,ANNULAR
115182-01
5930-01-669-3583INTERCHANGEABLE
SWITCH,SENSITIVE

Frequently Asked Questions

What is NSN 3110-00-057-2593?

NSN 3110-00-057-2593 is a Bearing,ball,annular, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-057-2593?

NSN 3110-00-057-2593 has 23 cross-referenced part numbers: M81793/08-EC1N2N1A1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), NM062D (General Motors Corp), SFR1-5 (New Hampshire Ball Bearings Inc Div Hitech Division), 108861-15 (Raytheon Company), SS5F (Mpb Corp Div Timken Super Precision) and 18 more.

What NSN replaces 3110-00-057-2593?

There are 10 known substitutes for 3110-00-057-2593: 3110-00-069-5597, 3110-00-227-2263, 3110-00-542-0083 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M81793/08-EC1N2N1A1?

Key specifications for M81793/08-EC1N2N1A1: Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE INNER RING; Flange Width: 0.0230 INCHES NOMINAL IN; Surface Finish: GROUND; Outer Ring Outside Diameter: 0.3125 INCHES NOMINAL IN. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-057-2593 still in active supply?

NSN 3110-00-057-2593 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com