PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

053781-00Cover,bearing,line

Curtiss-Wright Electro-Mechanical Corporation Div Epd · NSN 4320-01-375-2137 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-375-2137 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-375-2137. Primary manufacturer part number: 053781-00.
Features
  • Cover,bearing,line — FSC 4320
  • General Characteristics Item Description: BRONZE PER SAE 65
  • 6 verified cross-references
  • Primary manufacturer: Curtiss-Wright Electro-Mechanical Corporation Div Epd
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Cover,bearing,line, cataloged under National Stock Number 4320-01-375-2137, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-375-2137
Primary Part Number053781-00
Item NameCover,bearing,line
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Div Epd
StatusACTIVE
General Characteristics Item DescriptionBRONZE PER SAE 65
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5310-00-938-1748 INTERCHANGEABLE
Washer,metal
4320-01-375-2134RY-148623 PIECE 17 INTERCHANGEABLE
Bracket,thrust Bearing
Curtiss-Wright Electro-Mechanical Corporation Div Epd
4320-01-375-2135055428-00 INTERCHANGEABLE
Cover,bearing,thrust
Curtiss-Wright Electro-Mechanical Corporation Div Epd
4320-01-375-2136942567-00 INTERCHANGEABLE
Bracket,bearing,line
Curtiss-Wright Electro-Mechanical Corporation Div Epd
Cross-Reference Index
Part NumberManufacturer
RY-148623 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
053781-00 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
RY-148623 PIECE 23 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
RY-148623 ITEM Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
RY-148623 PIECE 23 Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
053781-00 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
Related Parts
5310-00-938-1748INTERCHANGEABLE
WASHER,METAL
4320-01-375-2134INTERCHANGEABLE
BRACKET,THRUST BEARING
RY-148623 PIECE 17
4320-01-375-2135INTERCHANGEABLE
COVER,BEARING,THRUST
055428-00
4320-01-375-2136INTERCHANGEABLE
BRACKET,BEARING,LINE
942567-00

Frequently Asked Questions

What is NSN 4320-01-375-2137?

NSN 4320-01-375-2137 is a Cover,bearing,line, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-375-2137?

NSN 4320-01-375-2137 has 6 cross-referenced part numbers: RY-148623 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 053781-00 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), RY-148623 PIECE 23 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), RY-148623 ITEM (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), RY-148623 PIECE 23 (Curtiss-Wright Electro-Mechanical Corporation Div Epd) and 1 more.

What NSN replaces 4320-01-375-2137?

There are 4 known substitutes for 4320-01-375-2137: 5310-00-938-1748, 4320-01-375-2134, 4320-01-375-2135 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 053781-00?

Key specifications for 053781-00: General Characteristics Item Description: BRONZE PER SAE 65. 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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