PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

41938Ring,piston

Kaydon Ring & Seal Inc Dba Skf Precision Technologies · NSN 4310-01-230-8950 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-01-230-8950 — this item is cataloged by the U.S. Government under National Stock Number 4310-01-230-8950. Primary manufacturer part number: 41938.
Features
  • Ring,piston — FSC 4310
  • Material: IRON BOTTOM
  • Material: COPPER ALLOY BOTTOM INSIDE PERIPHERY
  • 5 verified cross-references
  • Primary manufacturer: Kaydon Ring & Seal Inc Dba Skf Precision Technologies
Applications
  • Applications requiring Iron Bottom construction
General Description

The Ring,piston, cataloged under National Stock Number 4310-01-230-8950, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Kaydon Ring & Seal Inc Dba Skf Precision Technologies. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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
NSN4310-01-230-8950
Primary Part Number41938
Item NameRing,piston
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerKaydon Ring & Seal Inc Dba Skf Precision Technologies
StatusACTIVE
MaterialIRON BOTTOM
MaterialCOPPER ALLOY BOTTOM INSIDE PERIPHERY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5330-00-251-4738203742 INTERCHANGEABLE
Gasket
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
5950-00-410-1271 INTERCHANGEABLE
Coil,radio Frequency
2520-00-477-1918D2ZZ7A247-V01 INTERCHANGEABLE
Switch and Cable
Versamax Co Inc
4820-01-230-896216046-P INTERCHANGEABLE
Seat,valve
Curtiss-Wright Electro-Mechanical Corporation Div Epd
4320-01-231-290016047-P INTERCHANGEABLE
Valve,pump
Curtiss-Wright Electro-Mechanical Corporation Div Epd
Cross-Reference Index
Part NumberManufacturer
41938 PRIMARY Kaydon Ring & Seal Inc Dba Skf Precision Technologies (USA)
SL-9078 PIECE 10.1 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL-9078 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
3261188 PC.NO. 10.1 PRIMARY Naval Ship Systems Command (USA)
SL-9078 PIECE 10.1 Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
Related Parts
5330-00-251-4738INTERCHANGEABLE
GASKET
203742
5950-00-410-1271INTERCHANGEABLE
COIL,RADIO FREQUENCY
2520-00-477-1918INTERCHANGEABLE
SWITCH AND CABLE
D2ZZ7A247-V01
4820-01-230-8962INTERCHANGEABLE
SEAT,VALVE
16046-P
4320-01-231-2900INTERCHANGEABLE
VALVE,PUMP
16047-P

Frequently Asked Questions

What is NSN 4310-01-230-8950?

NSN 4310-01-230-8950 is a Ring,piston, manufactured by Kaydon Ring & Seal Inc Dba Skf Precision Technologies, classified under FSC 4310 (No Item Name Available). Status: active.

What are the part numbers for NSN 4310-01-230-8950?

NSN 4310-01-230-8950 has 5 cross-referenced part numbers: 41938 (Kaydon Ring & Seal Inc Dba Skf Precision Technologies), SL-9078 PIECE 10.1 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), SL-9078 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 3261188 PC.NO. 10.1 (Naval Ship Systems Command), SL-9078 PIECE 10.1 (Curtiss-Wright Electro-Mechanical Corporation Div Epd).

What NSN replaces 4310-01-230-8950?

There are 5 known substitutes for 4310-01-230-8950: 5330-00-251-4738, 5950-00-410-1271, 2520-00-477-1918 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 41938?

Key specifications for 41938: Material: IRON BOTTOM; Material: COPPER ALLOY BOTTOM INSIDE PERIPHERY; End Item Identification: KOPPERS COMPANY HORIZONTAL SIMPLEX PLUNGER PUMP 6 1/2 X 1 1/4 X 8. 3 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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