PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18439Bearing,ball,annular

Belfort Instrument Company · NSN 3110-01-468-6557 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-468-6557 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-468-6557. Primary manufacturer part number: 18439.
Features
  • Bearing,ball,annular — FSC 3110
  • 1 verified cross-reference
  • Primary manufacturer: Belfort Instrument Company
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-01-468-6557, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Belfort Instrument Company. 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
NSN3110-01-468-6557
Primary Part Number18439
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerBelfort Instrument Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-186-0977 INTERCHANGEABLE
Washer,key
6510-01-588-2442MSC9348EP INTERCHANGEABLE
Dressing,surgical
Medline Industries, Lp
Cross-Reference Index
Part NumberManufacturer
18439 PRIMARY Belfort Instrument Company (USA)
Related Parts
5310-00-186-0977INTERCHANGEABLE
WASHER,KEY
6510-01-588-2442INTERCHANGEABLE
DRESSING,SURGICAL
MSC9348EP

Frequently Asked Questions

What is NSN 3110-01-468-6557?

NSN 3110-01-468-6557 is a Bearing,ball,annular, manufactured by Belfort Instrument Company, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-468-6557?

NSN 3110-01-468-6557 has 1 cross-referenced part number: 18439 (Belfort Instrument Company).

What NSN replaces 3110-01-468-6557?

There are 2 known substitutes for 3110-01-468-6557: 5310-00-186-0977, 6510-01-588-2442. Verify interchangeability with system specifications before substitution.

What are the specifications of 18439?

Key specifications for 18439: End Item Identification: AEROVANE TRANSMITTER CATALOG NO. 120 & 122. 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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