PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

311848-00Ring,wearing

Curtiss-Wright Electro-Mechanical Corporation Div Epd · NSN 4320-00-398-7919 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-398-7919 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-398-7919. Primary manufacturer part number: 311848-00.
Features
  • Ring,wearing — FSC 4320
  • Body Style: PLAIN
  • Surface Finish: 125.0 MICROINCHES ALL SURFACES
  • Corner Shape: SQUARE ALL CORNERS
  • Body Inside Diameter: 3.500 INCHES NOMINAL IN
  • Body Outside Diameter: 4.252 INCHES MINIMUM AND 4.253 INCHES MAXIMUM IN
  • Material: NICKEL ALLOY
  • 23 verified cross-references
Applications
  • Applications requiring Nickel Alloy construction
General Description

The Ring,wearing, cataloged under National Stock Number 4320-00-398-7919, 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 23 commercial cross-references from 2 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
NSN4320-00-398-7919
Primary Part Number311848-00
Item NameRing,wearing
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Div Epd
StatusACTIVE
Body StylePLAIN
Surface Finish125.0 MICROINCHES ALL SURFACES
Corner ShapeSQUARE ALL CORNERS
Body Inside Diameter3.500 INCHES NOMINAL IN
Body Outside Diameter4.252 INCHES MINIMUM AND 4.253 INCHES MAXIMUM IN
MaterialNICKEL ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
6685-00-066-895545-1188P1079-02L0-20IN INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
6685-00-526-8629BL14-2WA4-LWXX INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
6685-00-531-3416 INTERCHANGEABLE
Gage,pressure,dial Indicating
4710-00-611-3938311848 INTERCHANGEABLE
Tube Assembly,metal
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5310-00-638-716030-2661 INTERCHANGEABLE
Nut,plain,round
The Boeing Company Div Defense
6685-00-862-1869 INTERCHANGEABLE
Gage,pressure,dial Indicating
5315-01-331-9237 INTERCHANGEABLE
Pin,straight,headless
5940-01-347-484530-266-1 INTERCHANGEABLE
Splice,conductor
Bell Textron Inc
4810-01-574-0209302661 INTERCHANGEABLE
Parts Kit,solenoid Valve
Automatic Switch Company Dba Asco
Cross-Reference Index
Part NumberManufacturer
SL6053PC6A Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
SL6071PC8A Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
SL5920PC6A Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL5891PC6A Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
5218P Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
5218P Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL6063PC6A Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
302661 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
302661 Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
SL6071PC8A Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
1188P Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
98P Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
SL5920PC6A Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
SL5665PC6A Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
311848 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
311848-00 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
311848 Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
98P Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL5891PC6A Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
1188P Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
Related Parts
6685-00-066-8955INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
45-1188P1079-02L0-20IN
6685-00-526-8629INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
BL14-2WA4-LWXX
6685-00-531-3416INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
4710-00-611-3938INTERCHANGEABLE
TUBE ASSEMBLY,METAL
311848
5310-00-638-7160INTERCHANGEABLE
NUT,PLAIN,ROUND
30-2661
6685-00-862-1869INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
5315-01-331-9237INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5940-01-347-4845INTERCHANGEABLE
SPLICE,CONDUCTOR
30-266-1
4810-01-574-0209INTERCHANGEABLE
PARTS KIT,SOLENOID VALVE
302661

Frequently Asked Questions

What is NSN 4320-00-398-7919?

NSN 4320-00-398-7919 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 4320-00-398-7919?

NSN 4320-00-398-7919 has 23 cross-referenced part numbers: SL6053PC6A (Curtiss-Wright Electro-Mechanical Corporation Div Epd), SL6071PC8A (Curtiss-Wright Electro-Mechanical Corporation Div Epd), SL5920PC6A (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), SL5891PC6A (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 5218P (Curtiss-Wright Electro-Mechanical Corporation Div Epd) and 18 more.

What NSN replaces 4320-00-398-7919?

There are 9 known substitutes for 4320-00-398-7919: 6685-00-066-8955, 6685-00-526-8629, 6685-00-531-3416 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 311848-00?

Key specifications for 311848-00: Body Style: PLAIN; Surface Finish: 125.0 MICROINCHES ALL SURFACES; Corner Shape: SQUARE ALL CORNERS; Body Inside Diameter: 3.500 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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