PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

42563Plate,retaining,bearing

Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems · NSN 3110-00-472-2691 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-472-2691 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-472-2691. Primary manufacturer part number: 42563.
Features
  • Plate,retaining,bearing — FSC 3110
  • Mounting Bolt Circle Diameter: 0.688 INCHES NOMINAL IN
  • Counterbore Diameter: 0.469 INCHES NOMINAL IN
  • Overall Thickness: 0.330 INCHES NOMINAL IN
  • Surface Treatment: PASSIVATE OVERALL
  • Material: STEEL COMP 302 OR STEEL COMP 304 OVERALL
  • Style Designator: ROUND
  • Material Document and Classification: ASTM A167 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A240 ASSN STD 2ND MATERIAL RESPONSE OVERALL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 302 or Steel Comp 304 Overall construction
General Description

The Plate,retaining,bearing, cataloged under National Stock Number 3110-00-472-2691, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems. Government technical data includes 15 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-472-2691
Primary Part Number42563
Item NamePlate,retaining,bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerUndersea Sensor Systems Inc Div Ultra Sonobuoy Systems
StatusACTIVE
Mounting Bolt Circle Diameter0.688 INCHES NOMINAL IN
Counterbore Diameter0.469 INCHES NOMINAL IN
Overall Thickness0.330 INCHES NOMINAL IN
Surface TreatmentPASSIVATE OVERALL
MaterialSTEEL COMP 302 OR STEEL COMP 304 OVERALL
Style DesignatorROUND
Material Document and ClassificationASTM A167 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A240 ASSN STD 2ND MATERIAL RESPONSE OVERALL
Mounting Hole TypeROUND, UNTHREADED
Outside Diameter0.875 INCHES NOMINAL IN
Cross-Sectional Shape StyleCOUNTERBORED W/ APERTURE
Minor Thickness0.040 INCHES NOMINAL IN
Bolt Circle Hole Quantity3
Counterbore Depth0.015 INCHES NOMINAL IN
Aperture Diameter0.315 INCHES NOMINAL IN
Mounting Hole Diameter0.097 INCHES MINIMUM AND 0.101 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2530-00-382-8983102031 INTERCHANGEABLE
Cap,grease
Aqua-Chem, Inc. Dba Aqua-Chem Inc
5365-01-116-37654256-3 ITEM 117 INTERCHANGEABLE
Bushing,valve Backseat
Flowserve Corporation Div Flowserve Us Inc
4820-01-155-03164256-ITEM-411 INTERCHANGEABLE
Gear Operator,valve
Flowserve Corporation Div Flowserve Us Inc
5342-01-238-301042563 INTERCHANGEABLE
Rod End Assembly
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
2840-01-294-788842563 INTERCHANGEABLE
Shield,heat,aircraft Gas Turbine
Williams International Co., L.l.c.
5935-01-309-112342563 INTERCHANGEABLE
Connector,receptacle,electrical
Mirion Technologies (canberra), Inc.
9505-01-674-0906M5845 INTERCHANGEABLE
Wire,nonelectrical
Para-Gear Equipment Co
Cross-Reference Index
Part NumberManufacturer
42563 PRIMARY Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems (USA)
Related Parts
2530-00-382-8983INTERCHANGEABLE
CAP,GREASE
102031
5365-01-116-3765INTERCHANGEABLE
BUSHING,VALVE BACKSEAT
4256-3 ITEM 117
4820-01-155-0316INTERCHANGEABLE
GEAR OPERATOR,VALVE
4256-ITEM-411
5342-01-238-3010INTERCHANGEABLE
ROD END ASSEMBLY
42563
2840-01-294-7888INTERCHANGEABLE
SHIELD,HEAT,AIRCRAFT GAS TURBINE
42563
5935-01-309-1123INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
42563
9505-01-674-0906INTERCHANGEABLE
WIRE,NONELECTRICAL
M5845

Frequently Asked Questions

What is NSN 3110-00-472-2691?

NSN 3110-00-472-2691 is a Plate,retaining,bearing, manufactured by Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-472-2691?

NSN 3110-00-472-2691 has 1 cross-referenced part number: 42563 (Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems).

What NSN replaces 3110-00-472-2691?

There are 7 known substitutes for 3110-00-472-2691: 2530-00-382-8983, 5365-01-116-3765, 4820-01-155-0316 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 42563?

Key specifications for 42563: Mounting Bolt Circle Diameter: 0.688 INCHES NOMINAL IN; Counterbore Diameter: 0.469 INCHES NOMINAL IN; Overall Thickness: 0.330 INCHES NOMINAL IN; Surface Treatment: PASSIVATE OVERALL. 15 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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