PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

179001GRing,wearing

Curtiss-Wright Electro-Mechanical Corporation Div Epd · NSN 4320-00-218-3420 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-218-3420 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-218-3420. Primary manufacturer part number: 179001G.
Features
  • Ring,wearing — FSC 4320
  • Groove Depth: 0.875 INCHES NOMINAL IN
  • Material: COPPER ALLOY
  • Corner Shape: SQUARE ALL CORNERS
  • Groove Width: 0.562 INCHES NOMINAL IN
  • Body Inside Diameter: 4.375 INCHES NOMINAL IN
  • Body Outside Diameter: 6.250 INCHES NOMINAL IN
  • 9 verified cross-references
Applications
  • Applications requiring Copper Alloy construction
General Description

The Ring,wearing, cataloged under National Stock Number 4320-00-218-3420, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-218-3420
Primary Part Number179001G
Item NameRing,wearing
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Div Epd
StatusACTIVE
Groove Depth0.875 INCHES NOMINAL IN
MaterialCOPPER ALLOY
Corner ShapeSQUARE ALL CORNERS
Groove Width0.562 INCHES NOMINAL IN
Body Inside Diameter4.375 INCHES NOMINAL IN
Body Outside Diameter6.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
6150-00-643-26691050-7 INTERCHANGEABLE
Lead Assembly,electrical
Hickok Waekon Llc
5335-00-889-328110507 INTERCHANGEABLE
Wire Fabric
Root Corp Inc New York Wire Div
4820-00-910-4909 INTERCHANGEABLE
Disk,valve
5905-00-988-1559210-29 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Keysight Technologies Inc
4820-01-178-658310507 INTERCHANGEABLE
Valve,manifold Assembly
Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
5305-01-334-045510507 INTERCHANGEABLE
Screw,cap,hexagon Head
Auto Vehicle Parts Co Dba Au-Ve-Co
6515-01-463-1460105.07 INTERCHANGEABLE
Wire Instrument and Implant Set,
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
4820-01-500-3493 INTERCHANGEABLE
Valve Assembly,manifold
4820-01-500-4260 INTERCHANGEABLE
Valve Assembly,manifold
Cross-Reference Index
Part NumberManufacturer
SL4621PC71 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL4753PC71 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
179001G PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
SL4623PC71 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL4750PC71 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
10507 Rps-Fl, Inc. Dba Rps Inc (USA)
179001G Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL4753PC71 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
4441P Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
Related Parts
6150-00-643-2669INTERCHANGEABLE
LEAD ASSEMBLY,ELECTRICAL
1050-7
5335-00-889-3281INTERCHANGEABLE
WIRE FABRIC
10507
4820-00-910-4909INTERCHANGEABLE
DISK,VALVE
5905-00-988-1559INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
210-29
4820-01-178-6583INTERCHANGEABLE
VALVE,MANIFOLD ASSEMBLY
10507
5305-01-334-0455INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
10507
6515-01-463-1460INTERCHANGEABLE
WIRE INSTRUMENT AND IMPLANT SET,
105.07
4820-01-500-3493INTERCHANGEABLE
VALVE ASSEMBLY,MANIFOLD
4820-01-500-4260INTERCHANGEABLE
VALVE ASSEMBLY,MANIFOLD

Frequently Asked Questions

What is NSN 4320-00-218-3420?

NSN 4320-00-218-3420 is a Ring,wearing, 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 4320-00-218-3420?

NSN 4320-00-218-3420 has 9 cross-referenced part numbers: SL4621PC71 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), SL4753PC71 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 179001G (Curtiss-Wright Electro-Mechanical Corporation Div Epd), SL4623PC71 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), SL4750PC71 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging) and 4 more.

What NSN replaces 4320-00-218-3420?

There are 9 known substitutes for 4320-00-218-3420: 6150-00-643-2669, 5335-00-889-3281, 4820-00-910-4909 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 179001G?

Key specifications for 179001G: Groove Depth: 0.875 INCHES NOMINAL IN; Material: COPPER ALLOY; Corner Shape: SQUARE ALL CORNERS; Groove Width: 0.562 INCHES NOMINAL IN. 7 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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