PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C52ARing,wearing

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-00-398-9510 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-398-9510 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-398-9510. Primary manufacturer part number: C52A.
Features
  • Ring,wearing — FSC 4320
  • Distance Below Centerline: 0.062 INCHES NOMINAL IN
  • Material Document and Classification: MIL-B-16261,GRADE 3 MIL SPEC ALL MATERIAL RESPONSES
  • Material: COPPER ALLOY
  • Body Inside Diameter: 5.735 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Circor Naval Solutions Llc Dba Warren Pumps
Applications
  • Applications requiring Copper Alloy construction
General Description

The Ring,wearing, cataloged under National Stock Number 4320-00-398-9510, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN4320-00-398-9510
Primary Part NumberC52A
Item NameRing,wearing
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Distance Below Centerline0.062 INCHES NOMINAL IN
Material Document and ClassificationMIL-B-16261,GRADE 3 MIL SPEC ALL MATERIAL RESPONSES
MaterialCOPPER ALLOY
Body Inside Diameter5.735 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5920-00-711-0767 INTERCHANGEABLE
Protector,telephone
5961-00-764-2587 INTERCHANGEABLE
Semiconductor Device,thyristor
6680-00-903-6746C-52A INTERCHANGEABLE
Indicator,sight,liquid
Eaton Aerospace Llc Div Fluid and Electrical Distribution Division
Cross-Reference Index
Part NumberManufacturer
R353 PC.6 Circor Naval Solutions Llc Dba Warren Pumps (USA)
C52A PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
5920-00-711-0767INTERCHANGEABLE
PROTECTOR,TELEPHONE
5961-00-764-2587INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
6680-00-903-6746INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
C-52A

Frequently Asked Questions

What is NSN 4320-00-398-9510?

NSN 4320-00-398-9510 is a Ring,wearing, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-398-9510?

NSN 4320-00-398-9510 has 2 cross-referenced part numbers: R353 PC.6 (Circor Naval Solutions Llc Dba Warren Pumps), C52A (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-00-398-9510?

There are 3 known substitutes for 4320-00-398-9510: 5920-00-711-0767, 5961-00-764-2587, 6680-00-903-6746. Verify interchangeability with system specifications before substitution.

What are the specifications of C52A?

Key specifications for C52A: Distance Below Centerline: 0.062 INCHES NOMINAL IN; Overall Length: 1.125 INCHES NOMINAL IN; Material Document and Classification: MIL-B-16261,GRADE 3 MIL SPEC ALL MATERIAL RESPONSES; Material: COPPER ALLOY. 5 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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