PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

83852Ring,piston

Kaydon Ring & Seal Inc Dba Skf Precision Technologies · NSN 4310-01-021-1448 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-01-021-1448 — this item is cataloged by the U.S. Government under National Stock Number 4310-01-021-1448. Primary manufacturer part number: 83852.
Features
  • Ring,piston — FSC 4310
  • 6 verified cross-references
  • Primary manufacturer: Kaydon Ring & Seal Inc Dba Skf Precision Technologies
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Ring,piston, cataloged under National Stock Number 4310-01-021-1448, 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. This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRing,piston
FSC / FSG4310 — No Item Name Available (FSG 43)
ManufacturersKaydon Ring & Seal Inc Dba Skf Precision Technologies (CAGE 75370); Sargent Aerospace & Defense, Llc Dba Airtomic Div Sargent (CAGE 71687); Dover Resources Inc Dba C. Lee Cook Div (CAGE 60251); Compressor Engineering Corp (CAGE 58430); Dresser-Rand Co Worthington Compressor Opn a Joint Venture (CAGE 93236)
Technical Specifications
ParameterValue
NSN4310-01-021-1448
Primary Part Number83852
Item NameRing,piston
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerKaydon Ring & Seal Inc Dba Skf Precision Technologies
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5950-00-137-8640 INTERCHANGEABLE
Transformer,power
5136-00-517-554493852 INTERCHANGEABLE
Chasers,thread Cutting
Curtis-Toledo, Inc.
5950-01-030-980640413 INTERCHANGEABLE
Transformer,power
Freed Transformer Co
5340-01-205-94330040410330 INTERCHANGEABLE
Bracket
Newton Instrument Company Dba Newton Instrument Co
6625-01-580-51933841AS2747-02 INTERCHANGEABLE
Cable Assembly,spec
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
1630-01-601-473740-413 INTERCHANGEABLE
Wheel,landing Gear
Aircraft Wheel and Brake, Llc Dba Cleveland Wheel and Brake Systems
4730-01-678-262440413 INTERCHANGEABLE
Elbow,pipe
Stanley Black & Decker, Inc. Dba Stanley Hydraulic Tools Div Stanley Hydraulic Tools
Cross-Reference Index
Part NumberManufacturer
83852 PRIMARY Kaydon Ring & Seal Inc Dba Skf Precision Technologies (USA)
40413 Sargent Aerospace & Defense, Llc Dba Airtomic Div Sargent (USA)
40413MFL PRIMARY Dover Resources Inc Dba C. Lee Cook Div (USA)
022-087A Compressor Engineering Corp (USA)
RNG1963 Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
40413 Dover Resources Inc Dba C. Lee Cook Div (USA)
Related Parts
5950-00-137-8640INTERCHANGEABLE
TRANSFORMER,POWER
5136-00-517-5544INTERCHANGEABLE
CHASERS,THREAD CUTTING
93852
5950-01-030-9806INTERCHANGEABLE
TRANSFORMER,POWER
40413
5340-01-205-9433INTERCHANGEABLE
BRACKET
0040410330
6625-01-580-5193INTERCHANGEABLE
CABLE ASSEMBLY,SPEC
3841AS2747-02
1630-01-601-4737INTERCHANGEABLE
WHEEL,LANDING GEAR
40-413
4730-01-678-2624INTERCHANGEABLE
ELBOW,PIPE
40413

Frequently Asked Questions

What is NSN 4310-01-021-1448?

NSN 4310-01-021-1448 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 4310-01-021-1448?

NSN 4310-01-021-1448 has 6 cross-referenced part numbers: 83852 (Kaydon Ring & Seal Inc Dba Skf Precision Technologies), 40413 (Sargent Aerospace & Defense, Llc Dba Airtomic Div Sargent), 40413MFL (Dover Resources Inc Dba C. Lee Cook Div), 022-087A (Compressor Engineering Corp), RNG1963 (Dresser-Rand Co Worthington Compressor Opn a Joint Venture) and 1 more.

What NSN replaces 4310-01-021-1448?

There are 7 known substitutes for 4310-01-021-1448: 5950-00-137-8640, 5136-00-517-5544, 5950-01-030-9806 and 4 more. Verify interchangeability with system specifications before substitution.

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