PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20-370Bearing,ball,annular

Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc · NSN 3110-01-265-2143 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-265-2143 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-265-2143. Primary manufacturer part number: 20-370.
Features
  • Bearing,ball,annular — FSC 3110
  • Bore Diameter: 0.5000 INCHES NOMINAL IN
  • Surface Finish: UNGROUND
  • 1 verified cross-reference
  • Primary manufacturer: Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-01-265-2143, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc. Government technical data includes 2 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-01-265-2143
Primary Part Number20-370
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerDrs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
StatusACTIVE
Bore Diameter0.5000 INCHES NOMINAL IN
Surface FinishUNGROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5935-00-192-4789 INTERCHANGEABLE
Jack,telephone
4720-00-477-179520370 INTERCHANGEABLE
Hose,preformed
Gates Corporation
4730-00-542-5191 INTERCHANGEABLE
Union,pipe
5940-00-549-1030600-JJ-3/4ST-09 INTERCHANGEABLE
Terminal Board
Regal Beloit America, Inc
2910-01-138-410920370 INTERCHANGEABLE
Plate,port
Parker Hannifin Corporation Div Hydraulic Systems Division
3020-01-203-125720370 INTERCHANGEABLE
Gear,spur
Twg Canada Consolidated Inc
5330-01-316-2938 INTERCHANGEABLE
Gasket
6515-01-356-3915203-320 INTERCHANGEABLE
Screw,bone,maxillofacial Surgery
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
6645-01-364-299220-370 INTERCHANGEABLE
Timer,stop
Celtech Corporation
Cross-Reference Index
Part NumberManufacturer
20-370 PRIMARY Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA)
Related Parts
5935-00-192-4789INTERCHANGEABLE
JACK,TELEPHONE
4720-00-477-1795INTERCHANGEABLE
HOSE,PREFORMED
20370
4730-00-542-5191INTERCHANGEABLE
UNION,PIPE
5940-00-549-1030INTERCHANGEABLE
TERMINAL BOARD
600-JJ-3/4ST-09
2910-01-138-4109INTERCHANGEABLE
PLATE,PORT
20370
3020-01-203-1257INTERCHANGEABLE
GEAR,SPUR
20370
5330-01-316-2938INTERCHANGEABLE
GASKET
6515-01-356-3915INTERCHANGEABLE
SCREW,BONE,MAXILLOFACIAL SURGERY
203-320
6645-01-364-2992INTERCHANGEABLE
TIMER,STOP
20-370

Frequently Asked Questions

What is NSN 3110-01-265-2143?

NSN 3110-01-265-2143 is a Bearing,ball,annular, manufactured by Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-265-2143?

NSN 3110-01-265-2143 has 1 cross-referenced part number: 20-370 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc).

What NSN replaces 3110-01-265-2143?

There are 9 known substitutes for 3110-01-265-2143: 5935-00-192-4789, 4720-00-477-1795, 4730-00-542-5191 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20-370?

Key specifications for 20-370: Overall Width: 0.5000 INCHES NOMINAL IN; Bore Diameter: 0.5000 INCHES NOMINAL IN; Surface Finish: UNGROUND. 3 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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