PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

94005Ring,piston

Dresser, Llc · NSN 2805-00-385-8685 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-385-8685 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-385-8685. Primary manufacturer part number: 94005.
Features
  • Ring,piston — FSC 2805
  • Material: IRON OVERALL
  • Radial Wall Thickness: 0.1550 INCHES NOMINAL IN
  • Ring Style: CONCENTRIC
  • Cross-Sectional Shape Style: DOUBLE INSIDE BEVEL, STRAIGHT FACE
  • Standard Bore Diameter: 3.750 INCHES IN
  • 1 verified cross-reference
  • Primary manufacturer: Dresser, Llc
Applications
  • Applications requiring Iron Overall construction
General Description

The Ring,piston, cataloged under National Stock Number 2805-00-385-8685, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Dresser, Llc. Government technical data includes 5 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2805-00-385-8685
Primary Part Number94005
Item NameRing,piston
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerDresser, Llc
StatusCANCELLED
MaterialIRON OVERALL
Radial Wall Thickness0.1550 INCHES NOMINAL IN
Ring StyleCONCENTRIC
Cross-Sectional Shape StyleDOUBLE INSIDE BEVEL, STRAIGHT FACE
Standard Bore Diameter3.750 INCHES IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
8030-01-437-5233 INTERCHANGEABLE
Corrosion Preventive Compound
Cross-Reference Index
Part NumberManufacturer
94005 PRIMARY Dresser, Llc (USA)
Related Parts
8030-01-437-5233INTERCHANGEABLE
CORROSION PREVENTIVE COMPOUND

Frequently Asked Questions

What is NSN 2805-00-385-8685?

NSN 2805-00-385-8685 is a Ring,piston, manufactured by Dresser, Llc, classified under FSC 2805 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2805-00-385-8685?

NSN 2805-00-385-8685 has 1 cross-referenced part number: 94005 (Dresser, Llc).

What NSN replaces 2805-00-385-8685?

There is 1 known substitute for 2805-00-385-8685: 8030-01-437-5233. Verify interchangeability with system specifications before substitution.

What are the specifications of 94005?

Key specifications for 94005: Overall Width: 0.1825 INCHES MINIMUM AND 0.1830 INCHES MAXIMUM IN; Material: IRON OVERALL; Radial Wall Thickness: 0.1550 INCHES NOMINAL IN; Ring Style: CONCENTRIC. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2805-00-385-8685 still in active supply?

NSN 2805-00-385-8685 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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