PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

554040Bearing,ball,airframe

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 3110-00-860-7096 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-860-7096 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-860-7096. Primary manufacturer part number: 554040.
Features
  • Bearing,ball,airframe — FSC 3110
  • Lubrication Material Document and Classification: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
  • Material: STEEL COMP E52100 OUTER RING
  • Style Designator: SINGLE ROW INNER RING EXTENDED BOTH SIDES
  • Material: STEEL COMP E51100 BALL
  • Supplementary Features: CRITICAL SAFETY ITEM (CSI)
  • Load Direction: RADIAL
  • Shield Quantity: 2
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp E52100 Outer Ring construction
General Description

The Bearing,ball,airframe, cataloged under National Stock Number 3110-00-860-7096, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-860-7096
Primary Part Number554040
Item NameBearing,ball,airframe
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusCANCELLED
Lubrication Material Document and ClassificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
MaterialSTEEL COMP E52100 OUTER RING
Style DesignatorSINGLE ROW INNER RING EXTENDED BOTH SIDES
MaterialSTEEL COMP E51100 BALL
Supplementary FeaturesCRITICAL SAFETY ITEM (CSI)
Load DirectionRADIAL
Shield Quantity2
Outer Ring Width0.3440 INCHES NOMINAL IN
Inner Ring Width0.4060 INCHES NOMINAL IN
MaterialSTEEL COMP E52100 INNER RING
MaterialGLASS FIBER SHIELD
Lubrication MaterialGREASE
Criticality Code JustificationSUPP
Standard Tolerance DesignationAFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
Overall Outside Diameter1.3750 INCHES NOMINAL IN
Bore Diameter0.6250 INCHES NOMINAL IN
MaterialSTEEL COMP 301 RETAINER
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5815-00-547-7869SM-C-186901GP10 INTERCHANGEABLE
Keytop,keyboard
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3455-01-046-035054042 INTERCHANGEABLE
Cutter,milling,end
Precision Twist Drill Co
Cross-Reference Index
Part NumberManufacturer
554041 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
554040 New Hampshire Ball Bearings Inc Div Hitech Division (USA)
554040 Rtx Corporation Div Pratt & Whitney (USA)
554042 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
554040 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
54042 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
KP10ASD699P712LY332 New Hampshire Ball Bearings Inc Div Hitech Division (USA)
Related Parts
5815-00-547-7869INTERCHANGEABLE
KEYTOP,KEYBOARD
SM-C-186901GP10
3455-01-046-0350INTERCHANGEABLE
CUTTER,MILLING,END
54042

Frequently Asked Questions

What is NSN 3110-00-860-7096?

NSN 3110-00-860-7096 is a Bearing,ball,airframe, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-860-7096?

NSN 3110-00-860-7096 has 7 cross-referenced part numbers: 554041 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 554040 (New Hampshire Ball Bearings Inc Div Hitech Division), 554040 (Rtx Corporation Div Pratt & Whitney), 554042 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 554040 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney) and 2 more.

What NSN replaces 3110-00-860-7096?

There are 2 known substitutes for 3110-00-860-7096: 5815-00-547-7869, 3455-01-046-0350. Verify interchangeability with system specifications before substitution.

What are the specifications of 554040?

Key specifications for 554040: Lubrication Material Document and Classification: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE; Material: STEEL COMP E52100 OUTER RING; Style Designator: SINGLE ROW INNER RING EXTENDED BOTH SIDES; Material: STEEL COMP E51100 BALL. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-860-7096 still in active supply?

NSN 3110-00-860-7096 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.
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