PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

124745Seat,bearing

Lockheed Martin Corp Electronics and Missiles Div · NSN 3110-01-181-1134 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-181-1134 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-181-1134. Primary manufacturer part number: 124745.
Features
  • Seat,bearing — FSC 3110
  • Bore Diameter: 0.6940 INCHES MINIMUM AND 0.7040 INCHES MAXIMUM IN
  • Style Designator: FLAT RACE SURFACE
  • Material Document and Classification: QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Retainer Fabrication Method: MACHINED
  • Outside Diameter: 1.5570 INCHES NOMINAL IN
  • Surface Treatment: PASSIVATE OVERALL
  • Surface Treatment Document and Classification: MIL-STD-171 MIL STD SINGLE TREATMENT RESPONSE OVERALL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 304 Overall construction
General Description

The Seat,bearing, cataloged under National Stock Number 3110-01-181-1134, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Lockheed Martin Corp Electronics and Missiles Div. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-01-181-1134
Primary Part Number124745
Item NameSeat,bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerLockheed Martin Corp Electronics and Missiles Div
StatusACTIVE
Bore Diameter0.6940 INCHES MINIMUM AND 0.7040 INCHES MAXIMUM IN
Style DesignatorFLAT RACE SURFACE
Material Document and ClassificationQQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Retainer Fabrication MethodMACHINED
Outside Diameter1.5570 INCHES NOMINAL IN
Surface TreatmentPASSIVATE OVERALL
Surface Treatment Document and ClassificationMIL-STD-171 MIL STD SINGLE TREATMENT RESPONSE OVERALL
MaterialSTEEL COMP 304 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3110-00-973-853392695 INTERCHANGEABLE
Bearing,ball,annular
New Venture Gear Inc New Process Gear Div
5330-01-580-55603976371 INTERCHANGEABLE
Seal,plain
Cummins Inc.
Cross-Reference Index
Part NumberManufacturer
124745 PRIMARY Lockheed Martin Corp Electronics and Missiles Div (USA)
Related Parts
3110-00-973-8533INTERCHANGEABLE
BEARING,BALL,ANNULAR
92695
5330-01-580-5560INTERCHANGEABLE
SEAL,PLAIN
3976371

Frequently Asked Questions

What is NSN 3110-01-181-1134?

NSN 3110-01-181-1134 is a Seat,bearing, manufactured by Lockheed Martin Corp Electronics and Missiles Div, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-181-1134?

NSN 3110-01-181-1134 has 1 cross-referenced part number: 124745 (Lockheed Martin Corp Electronics and Missiles Div).

What NSN replaces 3110-01-181-1134?

There are 2 known substitutes for 3110-01-181-1134: 3110-00-973-8533, 5330-01-580-5560. Verify interchangeability with system specifications before substitution.

What are the specifications of 124745?

Key specifications for 124745: Bore Diameter: 0.6940 INCHES MINIMUM AND 0.7040 INCHES MAXIMUM IN; Style Designator: FLAT RACE SURFACE; Material Document and Classification: QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Retainer Fabrication Method: MACHINED. 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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