PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M6Ring,wearing

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-00-148-1388 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-148-1388 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-148-1388. Primary manufacturer part number: M6.
Features
  • Ring,wearing — FSC 4320
  • Material: COPPER ALLOY
  • Body Inside Diameter: 25.000 INCHES NOMINAL IN
  • Body Outside Diameter: 26.301 INCHES NOMINAL IN
  • 9 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 4320-00-148-1388, 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 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-148-1388
Primary Part NumberM6
Item NameRing,wearing
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
MaterialCOPPER ALLOY
Body Inside Diameter25.000 INCHES NOMINAL IN
Body Outside Diameter26.301 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5985-00-195-2713277-0400-020 INTERCHANGEABLE
Mixer,crystal,coaxial
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
7510-00-272-3088LABM09 INTERCHANGEABLE
Tack,map
Tsrc, Inc. Dba Frank Parsons Co. - the Supply Room Div Federal Solutions Group
1680-00-348-6198R8413 INTERCHANGEABLE
Collar,key,antirota
Meggitt Safety Systems, Inc. Dba Meggitt Control Systems-Ventura County
4240-00-540-2422 INTERCHANGEABLE
Lens,helmet,welder's
2590-00-708-35638750001 INTERCHANGEABLE
Bulldozer,earth Moving
U S Army Tank Automotive Command Amsta-Im-Mm
1377-00-753-2010 INTERCHANGEABLE
Thruster,cartridge Actuated
1377-00-760-8520 INTERCHANGEABLE
Catapult,aircraft
5305-00-778-2986R819-23 INTERCHANGEABLE
Setscrew
Circor Naval Solutions Llc Dba Warren Pumps
1377-00-988-1873 INTERCHANGEABLE
Catapult,aircraft Ejection Seat
6515-01-367-2458M-9 INTERCHANGEABLE
Shell,fabrication,orthotic
Klm Laboratories, Inc
Cross-Reference Index
Part NumberManufacturer
R324PC2-3 Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS5-1415PC709 Circor Naval Solutions Llc Dba Warren Pumps (USA)
R84-13 Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS5-1417PC709 Circor Naval Solutions Llc Dba Warren Pumps (USA)
R-651, PC2.3 Quantum Corp (USA)
R651,PC2.3 Circor Naval Solutions Llc Dba Warren Pumps (USA)
M6 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
M9 Circor Naval Solutions Llc Dba Warren Pumps (USA)
993R0048 PC. NO. 2.3 Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
5985-00-195-2713INTERCHANGEABLE
MIXER,CRYSTAL,COAXIAL
277-0400-020
7510-00-272-3088INTERCHANGEABLE
TACK,MAP
LABM09
1680-00-348-6198INTERCHANGEABLE
COLLAR,KEY,ANTIROTA
R8413
4240-00-540-2422INTERCHANGEABLE
LENS,HELMET,WELDER'S
2590-00-708-3563INTERCHANGEABLE
BULLDOZER,EARTH MOVING
8750001
1377-00-753-2010INTERCHANGEABLE
THRUSTER,CARTRIDGE ACTUATED
1377-00-760-8520INTERCHANGEABLE
CATAPULT,AIRCRAFT
5305-00-778-2986INTERCHANGEABLE
SETSCREW
R819-23
1377-00-988-1873INTERCHANGEABLE
CATAPULT,AIRCRAFT EJECTION SEAT
6515-01-367-2458INTERCHANGEABLE
SHELL,FABRICATION,ORTHOTIC
M-9
1005-01-484-4927INTERCHANGEABLE
PISTOL,9 MILLIMETER,SEMI-AUTOMAT
M9

Frequently Asked Questions

What is NSN 4320-00-148-1388?

NSN 4320-00-148-1388 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 4320-00-148-1388?

NSN 4320-00-148-1388 has 9 cross-referenced part numbers: R324PC2-3 (Circor Naval Solutions Llc Dba Warren Pumps), BS5-1415PC709 (Circor Naval Solutions Llc Dba Warren Pumps), R84-13 (Circor Naval Solutions Llc Dba Warren Pumps), BS5-1417PC709 (Circor Naval Solutions Llc Dba Warren Pumps), R-651, PC2.3 (Quantum Corp) and 4 more.

What NSN replaces 4320-00-148-1388?

There are 11 known substitutes for 4320-00-148-1388: 5985-00-195-2713, 7510-00-272-3088, 1680-00-348-6198 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M6?

Key specifications for M6: Special Features: CASTED; Overall Length: 6.718 INCHES NOMINAL IN; Material: COPPER ALLOY; Body Inside Diameter: 25.000 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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