PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C33ASpacer,ring

Circor Naval Solutions Llc Dba Warren Pumps · NSN 5365-00-398-9458 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-00-398-9458 — this item is cataloged by the U.S. Government under National Stock Number 5365-00-398-9458. Primary manufacturer part number: C33A.
Features
  • Spacer,ring — FSC 5365
  • Material Document and Classification: QQ-B-750,COMP A FED SPEC SINGLE MATERIAL RESPONSE
  • Outside Diameter: 1.126 INCHES NOMINAL IN
  • Overall Thickness: 0.438 INCHES NOMINAL IN
  • Inside Diameter: 1.860 INCHES NOMINAL IN
  • Material: COPPER ALLOY 510
  • 41 verified cross-references
  • Primary manufacturer: Circor Naval Solutions Llc Dba Warren Pumps
Applications
  • Applications requiring Copper Alloy 510 construction
General Description

The Spacer,ring, cataloged under National Stock Number 5365-00-398-9458, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 41 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5365-00-398-9458
Primary Part NumberC33A
Item NameSpacer,ring
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Material Document and ClassificationQQ-B-750,COMP A FED SPEC SINGLE MATERIAL RESPONSE
Outside Diameter1.126 INCHES NOMINAL IN
Overall Thickness0.438 INCHES NOMINAL IN
Inside Diameter1.860 INCHES NOMINAL IN
MaterialCOPPER ALLOY 510
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5136-00-580-715854767 INTERCHANGEABLE
Tap,thread Cutting
Tapco Cutting Tools Inc
6625-00-901-24241120-0025 INTERCHANGEABLE
Meter,audio Level
Keysight Technologies Inc
5930-00-907-5532 INTERCHANGEABLE
Switch,slide
5330-01-190-7511 INTERCHANGEABLE
Gasket Set
3030-01-396-149411235 INTERCHANGEABLE
Belt,v
Dayco Corp Walterboro Plant
Cross-Reference Index
Part NumberManufacturer
C33A PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
R157PC16 Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS4-1546ALT1PC6US Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS1100PC3US Circor Naval Solutions Llc Dba Warren Pumps (USA)
R76PC21 Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS1314ITEM2 Circor Naval Solutions Llc Dba Warren Pumps (USA)
R153PC12 Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS5-1468PC4 Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS4-1695PC6US Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS849PC3US Circor Naval Solutions Llc Dba Warren Pumps (USA)
R194PC16 Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS849APC3US Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS5-1514PC4US Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS4-1480PC3US Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS1440PC3US Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS922PC3US Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS1022PC3US Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS4-1818PC16 Circor Naval Solutions Llc Dba Warren Pumps (USA)
R116PC12 Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS4-1545PC6US Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
5136-00-580-7158INTERCHANGEABLE
TAP,THREAD CUTTING
54767
6625-00-901-2424INTERCHANGEABLE
METER,AUDIO LEVEL
1120-0025
5930-00-907-5532INTERCHANGEABLE
SWITCH,SLIDE
5330-01-190-7511INTERCHANGEABLE
GASKET SET
3030-01-396-1494INTERCHANGEABLE
BELT,V
11235

Frequently Asked Questions

What is NSN 5365-00-398-9458?

NSN 5365-00-398-9458 is a Spacer,ring, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 5365 (No Item Name Available). Status: active.

What are the part numbers for NSN 5365-00-398-9458?

NSN 5365-00-398-9458 has 41 cross-referenced part numbers: C33A (Circor Naval Solutions Llc Dba Warren Pumps), R157PC16 (Circor Naval Solutions Llc Dba Warren Pumps), BS4-1546ALT1PC6US (Circor Naval Solutions Llc Dba Warren Pumps), BS1100PC3US (Circor Naval Solutions Llc Dba Warren Pumps), R76PC21 (Circor Naval Solutions Llc Dba Warren Pumps) and 36 more.

What NSN replaces 5365-00-398-9458?

There are 5 known substitutes for 5365-00-398-9458: 5136-00-580-7158, 6625-00-901-2424, 5930-00-907-5532 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C33A?

Key specifications for C33A: Material Document and Classification: QQ-B-750,COMP A FED SPEC SINGLE MATERIAL RESPONSE; Outside Diameter: 1.126 INCHES NOMINAL IN; Overall Thickness: 0.438 INCHES NOMINAL IN; Inside Diameter: 1.860 INCHES NOMINAL IN. 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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