PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-B-27497Bearing,jewel

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 3110-00-719-8407 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-719-8407 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-719-8407. Primary manufacturer part number: MIL-B-27497.
Features
  • Bearing,jewel — FSC 3110
  • General Characteristics Item Description: BAR HOLE; SAPPHIRE OR RUBY; O/A CHAMFER DIA 0.050 IN.,O/A CHAMFER DEPTH 0.125 IN.,CUP DIA 0.600,COUNTERSINK HOLE DIA 0.008 IN IN
  • 5 verified cross-references
  • Primary manufacturer: Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,jewel, cataloged under National Stock Number 3110-00-719-8407, 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 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-719-8407
Primary Part NumberMIL-B-27497
Item NameBearing,jewel
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
General Characteristics Item DescriptionBAR HOLE; SAPPHIRE OR RUBY; O/A CHAMFER DIA 0.050 IN.,O/A CHAMFER DEPTH 0.125 IN.,CUP DIA 0.600,COUNTERSINK HOLE DIA 0.008 IN IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2520-00-039-6823 INTERCHANGEABLE
Shaft
5220-00-044-2762T110 INTERCHANGEABLE
Gage,profile
Compair, Inc
6695-00-049-6672 INTERCHANGEABLE
Jewel,bearing
Cross-Reference Index
Part NumberManufacturer
MIL-B-27497 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
7198407 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
MS27041-9 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
J42 Waltham Clock Co Inc (USA)
FEMUR Waltham Clock Co Inc (USA)
Related Parts
2520-00-039-6823INTERCHANGEABLE
SHAFT
5220-00-044-2762INTERCHANGEABLE
GAGE,PROFILE
T110
6695-00-049-6672INTERCHANGEABLE
JEWEL,BEARING

Frequently Asked Questions

What is NSN 3110-00-719-8407?

NSN 3110-00-719-8407 is a Bearing,jewel, 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: active.

What are the part numbers for NSN 3110-00-719-8407?

NSN 3110-00-719-8407 has 5 cross-referenced part numbers: MIL-B-27497 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 7198407 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), MS27041-9 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), J42 (Waltham Clock Co Inc), FEMUR (Waltham Clock Co Inc).

What NSN replaces 3110-00-719-8407?

There are 3 known substitutes for 3110-00-719-8407: 2520-00-039-6823, 5220-00-044-2762, 6695-00-049-6672. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-B-27497?

Key specifications for MIL-B-27497: General Characteristics Item Description: BAR HOLE; SAPPHIRE OR RUBY; O/A CHAMFER DIA 0.050 IN.,O/A CHAMFER DEPTH 0.125 IN.,CUP DIA 0.600,COUNTERSINK HOLE DIA 0.008 IN IN. 1 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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