PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SK-109262Ring,wearing

Curtiss-Wright Electro-Mechanical Corporation Div Epd · NSN 4320-00-398-8397 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-398-8397 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-398-8397. Primary manufacturer part number: SK-109262.
Features
  • Ring,wearing — FSC 4320
  • Body Inside Diameter: 5.500 INCHES NOMINAL IN
  • Body Outside Diameter: 7.375 INCHES NOMINAL IN
  • Internal Flange Inside Diameter: 4.125 INCHES NOMINAL IN
  • 12 verified cross-references
  • Primary manufacturer: Curtiss-Wright Electro-Mechanical Corporation Div Epd
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Ring,wearing, cataloged under National Stock Number 4320-00-398-8397, 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 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4320-00-398-8397
Primary Part NumberSK-109262
Item NameRing,wearing
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Div Epd
StatusCANCELLED
Body Inside Diameter5.500 INCHES NOMINAL IN
Body Outside Diameter7.375 INCHES NOMINAL IN
Internal Flange Inside Diameter4.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5133-00-227-5956 INTERCHANGEABLE
Drill,twist
5133-00-232-2868 INTERCHANGEABLE
Drill,twist
4820-00-474-0293NB21059333 INTERCHANGEABLE
Seat,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
2910-00-712-843910593 INTERCHANGEABLE
Parts Kit,engine Fuel Pump
Mcculloch Corp
2530-00-890-22159C8681 INTERCHANGEABLE
Brake Lining Kit
Caterpillar Inc Div Caterpillar Defense
5977-00-891-515210-5979 INTERCHANGEABLE
Brush Set,electrical Contact
Ametek Inc Lamb Electric Div
5935-00-985-5444HBL7940 INTERCHANGEABLE
Connector,receptacle,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5950-01-029-08531219-101 INTERCHANGEABLE
Transformer,power
Bae Systems Information and Electronic Systems Integration Inc.
5310-01-257-5049 INTERCHANGEABLE
Washer,spring Tension
6625-01-440-840310593 INTERCHANGEABLE
Case,electrical-Electronic Test
Rice Lake Weighing Systems, Inc
Cross-Reference Index
Part NumberManufacturer
SK-109262 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
SK-109262 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
8947P Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
8947P PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
309262 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
309262 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
8948P Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
10593 PRIMARY Rps-Fl, Inc. Dba Rps Inc (USA)
SK-109262 Rps-Fl, Inc. Dba Rps Inc (USA)
292951 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
292951 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
8948P PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
Related Parts
5133-00-227-5956INTERCHANGEABLE
DRILL,TWIST
5133-00-232-2868INTERCHANGEABLE
DRILL,TWIST
4820-00-474-0293INTERCHANGEABLE
SEAT,VALVE
NB21059333
2910-00-712-8439INTERCHANGEABLE
PARTS KIT,ENGINE FUEL PUMP
10593
2530-00-890-2215INTERCHANGEABLE
BRAKE LINING KIT
9C8681
5977-00-891-5152INTERCHANGEABLE
BRUSH SET,ELECTRICAL CONTACT
10-5979
5935-00-985-5444INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
HBL7940
5950-01-029-0853INTERCHANGEABLE
TRANSFORMER,POWER
1219-101
5310-01-257-5049INTERCHANGEABLE
WASHER,SPRING TENSION
6625-01-440-8403INTERCHANGEABLE
CASE,ELECTRICAL-ELECTRONIC TEST
10593
5999-01-519-0222INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON

Frequently Asked Questions

What is NSN 4320-00-398-8397?

NSN 4320-00-398-8397 is a Ring,wearing, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4320 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4320-00-398-8397?

NSN 4320-00-398-8397 has 12 cross-referenced part numbers: SK-109262 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), SK-109262 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 8947P (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 8947P (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 309262 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging) and 7 more.

What NSN replaces 4320-00-398-8397?

There are 11 known substitutes for 4320-00-398-8397: 5133-00-227-5956, 5133-00-232-2868, 4820-00-474-0293 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SK-109262?

Key specifications for SK-109262: Body Inside Diameter: 5.500 INCHES NOMINAL IN; Body Outside Diameter: 7.375 INCHES NOMINAL IN; Internal Flange Inside Diameter: 4.125 INCHES NOMINAL IN. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4320-00-398-8397 still in active supply?

NSN 4320-00-398-8397 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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