PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

13684Ring,piston

Kaydon Ring & Seal Inc Dba Skf Precision Technologies · NSN 4310-00-826-9800 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-00-826-9800 — this item is cataloged by the U.S. Government under National Stock Number 4310-00-826-9800. Primary manufacturer part number: 13684.
Features
  • Ring,piston — FSC 4310
  • Material: IRON OVERALL
  • Oil Passage Type and Quantity: 1 GROOVE OUTSIDE PERIPHERY
  • Oil Passage Type and Quantity: 2 HOLE HORIZONTALLY THROUGH RING
  • Joint Style: DIAGONAL JOINT
  • Ring Style: CONCENTRIC
  • Cross-Sectional Shape Style: STRAIGHT FACE, DOUBLE SCRAPER, VENTILATED OIL CONTROL
  • Radial Wall Thickness: 0.0980 INCHES NOMINAL IN
Applications
  • Applications requiring Iron Overall construction
General Description

The Ring,piston, cataloged under National Stock Number 4310-00-826-9800, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4310-00-826-9800
Primary Part Number13684
Item NameRing,piston
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerKaydon Ring & Seal Inc Dba Skf Precision Technologies
StatusACTIVE
MaterialIRON OVERALL
Oil Passage Type and Quantity1 GROOVE OUTSIDE PERIPHERY
Oil Passage Type and Quantity2 HOLE HORIZONTALLY THROUGH RING
Joint StyleDIAGONAL JOINT
Ring StyleCONCENTRIC
Cross-Sectional Shape StyleSTRAIGHT FACE, DOUBLE SCRAPER, VENTILATED OIL CONTROL
Radial Wall Thickness0.0980 INCHES NOMINAL IN
Standard Bore Diameter2.625 INCHES IN
FSC Application DataVALVES,DIAPHRAGM,STOP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
9540-00-149-6344 INTERCHANGEABLE
Angle,structural
9540-00-237-9537 INTERCHANGEABLE
Angle,structural
5342-00-338-084913684 INTERCHANGEABLE
Latch
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
6625-00-387-6059354A6050 INTERCHANGEABLE
Test Set Subassembly,electrical
Roper Industries Inc Roper Pump Co Div
6930-00-397-310013684 INTERCHANGEABLE
Covering,hood Lumar
Cae Usa Inc.
5962-00-553-8284 INTERCHANGEABLE
Microcircuit,digital
5305-00-556-7851413-684 INTERCHANGEABLE
Screw,cap,hexagon Head
Cnh Industrial America Llc Dba Cnh America
5330-00-587-9590 INTERCHANGEABLE
Gasket
1650-00-759-909713684 INTERCHANGEABLE
Head,valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
2540-01-120-366711672178 INTERCHANGEABLE
Waterproofing Kit,vehicle
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
13684 PRIMARY Kaydon Ring & Seal Inc Dba Skf Precision Technologies (USA)
23452 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
A23452 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
9540-00-149-6344INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-00-237-9537INTERCHANGEABLE
ANGLE,STRUCTURAL
5342-00-338-0849INTERCHANGEABLE
LATCH
13684
6625-00-387-6059INTERCHANGEABLE
TEST SET SUBASSEMBLY,ELECTRICAL
354A6050
6930-00-397-3100INTERCHANGEABLE
COVERING,HOOD LUMAR
13684
5962-00-553-8284INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5305-00-556-7851INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
413-684
5330-00-587-9590INTERCHANGEABLE
GASKET
1650-00-759-9097INTERCHANGEABLE
HEAD,VALVE
13684
2540-01-120-3667INTERCHANGEABLE
WATERPROOFING KIT,VEHICLE
11672178
5970-01-176-5666INTERCHANGEABLE
TAPE,INSULATION,ELECTRICAL
2345-2
5330-01-411-0131INTERCHANGEABLE
GASKET
13684

Frequently Asked Questions

What is NSN 4310-00-826-9800?

NSN 4310-00-826-9800 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 4310-00-826-9800?

NSN 4310-00-826-9800 has 3 cross-referenced part numbers: 13684 (Kaydon Ring & Seal Inc Dba Skf Precision Technologies), 23452 (Leslie Controls, Inc. Dba Leslie Controls Inc), A23452 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4310-00-826-9800?

There are 12 known substitutes for 4310-00-826-9800: 9540-00-149-6344, 9540-00-237-9537, 5342-00-338-0849 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 13684?

Key specifications for 13684: Overall Width: 0.1530 INCHES NOMINAL IN; Material: IRON OVERALL; Oil Passage Type and Quantity: 1 GROOVE OUTSIDE PERIPHERY; Oil Passage Type and Quantity: 2 HOLE HORIZONTALLY THROUGH RING. 10 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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