PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4612Ring,piston

Kaydon Ring & Seal Inc Dba Skf Precision Technologies · NSN 4310-00-446-3359 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-00-446-3359 — this item is cataloged by the U.S. Government under National Stock Number 4310-00-446-3359. Primary manufacturer part number: 4612.
Features
  • Ring,piston — FSC 4310
  • Standard Bore Diameter: 2.500 INCHES IN
  • Material: IRON OVERALL
  • FSC Application Data: PISTON,VALVE,REGULATING,FLUID PRESSURE
  • Radial Wall Thickness: 0.1030 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE
  • Joint Style: VERTICAL JOINT
  • Ring Style: CONCENTRIC
Applications
  • Applications requiring Iron Overall construction
General Description

The Ring,piston, cataloged under National Stock Number 4310-00-446-3359, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4310-00-446-3359
Primary Part Number4612
Item NameRing,piston
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerKaydon Ring & Seal Inc Dba Skf Precision Technologies
StatusACTIVE
Standard Bore Diameter2.500 INCHES IN
MaterialIRON OVERALL
FSC Application DataPISTON,VALVE,REGULATING,FLUID PRESSURE
Radial Wall Thickness0.1030 INCHES NOMINAL IN
Cross-Sectional Shape StylePLAIN RECTANGULAR, STRAIGHT FACE
Joint StyleVERTICAL JOINT
Ring StyleCONCENTRIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5306-00-274-555810728 INTERCHANGEABLE
Bolt,shoulder
Curtiss-Wright Electro-Mechanical Corporation Div Epd
5305-00-276-82341878419 INTERCHANGEABLE
Setscrew
Borgwarner Pds (anderson), L.l.c.
5330-00-298-545810728 INTERCHANGEABLE
Packing Material
John Reiner & Co. Inc.
5950-00-903-322710728 INTERCHANGEABLE
Transformer,power Autotransforme
Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems
3040-01-232-0898 INTERCHANGEABLE
Shaft,shouldered
9390-01-674-912810728 INTERCHANGEABLE
Wick
Consolidated Sewing Machine Corp
Cross-Reference Index
Part NumberManufacturer
10728 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N10728 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
PNS214-7PC15 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
4612 PRIMARY Kaydon Ring & Seal Inc Dba Skf Precision Technologies (USA)
Related Parts
5306-00-274-5558INTERCHANGEABLE
BOLT,SHOULDER
10728
5305-00-276-8234INTERCHANGEABLE
SETSCREW
1878419
5330-00-298-5458INTERCHANGEABLE
PACKING MATERIAL
10728
5950-00-903-3227INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
10728
3040-01-232-0898INTERCHANGEABLE
SHAFT,SHOULDERED
9390-01-674-9128INTERCHANGEABLE
WICK
10728

Frequently Asked Questions

What is NSN 4310-00-446-3359?

NSN 4310-00-446-3359 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 4310-00-446-3359?

NSN 4310-00-446-3359 has 4 cross-referenced part numbers: 10728 (Leslie Controls, Inc. Dba Leslie Controls Inc), N10728 (Leslie Controls, Inc. Dba Leslie Controls Inc), PNS214-7PC15 (Leslie Controls, Inc. Dba Leslie Controls Inc), 4612 (Kaydon Ring & Seal Inc Dba Skf Precision Technologies).

What NSN replaces 4310-00-446-3359?

There are 6 known substitutes for 4310-00-446-3359: 5306-00-274-5558, 5305-00-276-8234, 5330-00-298-5458 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4612?

Key specifications for 4612: Standard Bore Diameter: 2.500 INCHES IN; Material: IRON OVERALL; FSC Application Data: PISTON,VALVE,REGULATING,FLUID PRESSURE; Overall Width: 0.1550 INCHES NOMINAL IN. 8 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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