PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2213-35Ring,piston

Aqualung Usa, Inc · NSN 4310-00-028-9683 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-00-028-9683 — this item is cataloged by the U.S. Government under National Stock Number 4310-00-028-9683. Primary manufacturer part number: 2213-35.
Features
  • Ring,piston — FSC 4310
  • Standard Bore Diameter: 2.625 INCHES IN
  • Oil Passage Type and Quantity: 1 GROOVE OUTSIDE PERIPHERY
  • Radial Wall Thickness: 0.0930 INCHES NOMINAL IN
  • Oil Passage Type and Quantity: 8 SLOT HORIZONTALLY THROUGH RING
  • Ring Style: CONCENTRIC
  • Material: STEEL OVERALL
  • Joint Style: VERTICAL JOINT
Applications
  • Applications requiring Steel Overall construction
General Description

The Ring,piston, cataloged under National Stock Number 4310-00-028-9683, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Aqualung Usa, Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4310-00-028-9683
Primary Part Number2213-35
Item NameRing,piston
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerAqualung Usa, Inc
StatusACTIVE
Standard Bore Diameter2.625 INCHES IN
Oil Passage Type and Quantity1 GROOVE OUTSIDE PERIPHERY
Radial Wall Thickness0.0930 INCHES NOMINAL IN
Oil Passage Type and Quantity8 SLOT HORIZONTALLY THROUGH RING
Ring StyleCONCENTRIC
MaterialSTEEL OVERALL
Joint StyleVERTICAL JOINT
Cross-Sectional Shape StyleBEVELED FACE SCRAPER, VENTILATED OIL CONTROL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4320-01-022-8624221335 INTERCHANGEABLE
Labyrinth Ring
Curtiss-Wright Electro-Mechanical Corporation Div Epd
5998-01-521-1743221335 INTERCHANGEABLE
Backplane Assembly
Ruhle Companies, Inc.
6515-01-593-7543221.335 INTERCHANGEABLE
Bone Plate
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
2213-35 PRIMARY Aqualung Usa, Inc (USA)
Related Parts
4320-01-022-8624INTERCHANGEABLE
LABYRINTH RING
221335
5998-01-521-1743INTERCHANGEABLE
BACKPLANE ASSEMBLY
221335
6515-01-593-7543INTERCHANGEABLE
BONE PLATE
221.335

Frequently Asked Questions

What is NSN 4310-00-028-9683?

NSN 4310-00-028-9683 is a Ring,piston, manufactured by Aqualung Usa, Inc, classified under FSC 4310 (No Item Name Available). Status: active.

What are the part numbers for NSN 4310-00-028-9683?

NSN 4310-00-028-9683 has 1 cross-referenced part number: 2213-35 (Aqualung Usa, Inc).

What NSN replaces 4310-00-028-9683?

There are 3 known substitutes for 4310-00-028-9683: 4320-01-022-8624, 5998-01-521-1743, 6515-01-593-7543. Verify interchangeability with system specifications before substitution.

What are the specifications of 2213-35?

Key specifications for 2213-35: Standard Bore Diameter: 2.625 INCHES IN; Oil Passage Type and Quantity: 1 GROOVE OUTSIDE PERIPHERY; Radial Wall Thickness: 0.0930 INCHES NOMINAL IN; Oil Passage Type and Quantity: 8 SLOT HORIZONTALLY THROUGH RING. 9 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com