PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D103Ring,piston

Mkt Geotechnical Systems · NSN 4310-00-073-3568 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-00-073-3568 — this item is cataloged by the U.S. Government under National Stock Number 4310-00-073-3568. Primary manufacturer part number: D103.
Features
  • Ring,piston — FSC 4310
  • Radial Wall Thickness: 0.3120 INCHES NOMINAL IN
  • Standard Bore Diameter: 8.562 INCHES IN
  • Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE
  • Ring Style: CONCENTRIC
  • Joint Style: VERTICAL JOINT
  • Material: STEEL OVERALL
  • 3 verified cross-references
Applications
  • Applications requiring Steel Overall construction
General Description

The Ring,piston, cataloged under National Stock Number 4310-00-073-3568, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Mkt Geotechnical Systems. Government technical data includes 6 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4310-00-073-3568
Primary Part NumberD103
Item NameRing,piston
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerMkt Geotechnical Systems
StatusACTIVE
Radial Wall Thickness0.3120 INCHES NOMINAL IN
Standard Bore Diameter8.562 INCHES IN
Cross-Sectional Shape StylePLAIN RECTANGULAR, STRAIGHT FACE
Ring StyleCONCENTRIC
Joint StyleVERTICAL JOINT
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4940-00-670-2930LT-104 INTERCHANGEABLE
Spray Gun,paint
Nelson Paint Company Inc
3415-00-720-2791D1030-12 INTERCHANGEABLE
Grinding Machine,surface,recipro
Doall Baltimore Company
5905-00-892-6925 INTERCHANGEABLE
Resistor,thermal
5940-00-923-449316600997-003 INTERCHANGEABLE
Splice,conductor
Sypris Electronics, Llc Div Sypris Electronics, Llc - Colorado Field Services
3455-01-025-6055 INTERCHANGEABLE
File,rotary
6550-01-319-5082 INTERCHANGEABLE
Reference Standard,ion Selective
5305-01-328-6930 INTERCHANGEABLE
Screw,machine
6605-01-466-09990100300 INTERCHANGEABLE
Compass,magnetic,mounted
United Dynamics, Inc
5340-01-528-5722D-103 INTERCHANGEABLE
Plunger,cartridge System
Tah Industries Inc Dba Tah Industrries
Cross-Reference Index
Part NumberManufacturer
D103 Mkt Geotechnical Systems (USA)
0100300 Mkt Geotechnical Systems (USA)
0100300 M K T Manufacturing Inc (USA)
Related Parts
4940-00-670-2930INTERCHANGEABLE
SPRAY GUN,PAINT
LT-104
3415-00-720-2791INTERCHANGEABLE
GRINDING MACHINE,SURFACE,RECIPRO
D1030-12
5905-00-892-6925INTERCHANGEABLE
RESISTOR,THERMAL
5940-00-923-4493INTERCHANGEABLE
SPLICE,CONDUCTOR
16600997-003
3455-01-025-6055INTERCHANGEABLE
FILE,ROTARY
6550-01-319-5082INTERCHANGEABLE
REFERENCE STANDARD,ION SELECTIVE
5305-01-328-6930INTERCHANGEABLE
SCREW,MACHINE
6605-01-466-0999INTERCHANGEABLE
COMPASS,MAGNETIC,MOUNTED
0100300
5340-01-528-5722INTERCHANGEABLE
PLUNGER,CARTRIDGE SYSTEM
D-103

Frequently Asked Questions

What is NSN 4310-00-073-3568?

NSN 4310-00-073-3568 is a Ring,piston, manufactured by Mkt Geotechnical Systems, classified under FSC 4310 (No Item Name Available). Status: active.

What are the part numbers for NSN 4310-00-073-3568?

NSN 4310-00-073-3568 has 3 cross-referenced part numbers: D103 (Mkt Geotechnical Systems), 0100300 (Mkt Geotechnical Systems), 0100300 (M K T Manufacturing Inc).

What NSN replaces 4310-00-073-3568?

There are 9 known substitutes for 4310-00-073-3568: 4940-00-670-2930, 3415-00-720-2791, 5905-00-892-6925 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of D103?

Key specifications for D103: Overall Width: 0.2500 INCHES NOMINAL IN; Radial Wall Thickness: 0.3120 INCHES NOMINAL IN; Standard Bore Diameter: 8.562 INCHES IN; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE. 7 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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