PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18516BRing,piston

Brinkley Technology Group Llc Dba Hercules Manufacturing · NSN 2805-00-270-3479 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-270-3479 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-270-3479. Primary manufacturer part number: 18516B.
Features
  • Ring,piston — FSC 2805
  • Ring Style: CONCENTRIC
  • Standard Bore Diameter: 4.250 INCHES IN
  • Radial Wall Thickness: 0.1600 INCHES MINIMUM AND 0.1700 INCHES MAXIMUM IN
  • Joint Style: VERTICAL JOINT
  • Cross-Sectional Shape Style: STRAIGHT FACE, BOTTOM RELIEF
  • Material: IRON OVERALL
  • 7 verified cross-references
Applications
  • Applications requiring Iron Overall construction
General Description

The Ring,piston, cataloged under National Stock Number 2805-00-270-3479, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Brinkley Technology Group Llc Dba Hercules Manufacturing. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2805-00-270-3479
Primary Part Number18516B
Item NameRing,piston
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerBrinkley Technology Group Llc Dba Hercules Manufacturing
StatusCANCELLED
Ring StyleCONCENTRIC
Standard Bore Diameter4.250 INCHES IN
Radial Wall Thickness0.1600 INCHES MINIMUM AND 0.1700 INCHES MAXIMUM IN
Joint StyleVERTICAL JOINT
Cross-Sectional Shape StyleSTRAIGHT FACE, BOTTOM RELIEF
MaterialIRON OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5330-00-286-6859 INTERCHANGEABLE
Seal,plain Encased
3120-00-516-0367130053 INTERCHANGEABLE
Bearing,sleeve
Eaton Aerospace, Llc Dba Jackson South
3120-00-805-6951TT3001-3 INTERCHANGEABLE
Bearing,washer,thrust
Chrysler Corp Amplex Div
5935-00-902-2749517-9000-035 INTERCHANGEABLE
Connector,receptacle,electrical
Ge Aviation Systems Llc Dba Ge Aviation Div Information Systems - Germantown
5962-01-123-1702932883-604 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Dba Raytheon
6130-01-324-4730 INTERCHANGEABLE
Rectifier,metallic
5310-01-556-603118516 INTERCHANGEABLE
Nut,plain,hexagon
Pollak Joseph Corp
5340-01-633-80912261640 INTERCHANGEABLE
Clamp,block
Holden Industries, Inc. Dba Holden Industries Inc
Cross-Reference Index
Part NumberManufacturer
70 Dana Corp Engine Products Div (USA)
130053 Celtrac Corp (USA)
18516 0mcc Inc (USA)
18516B Hercules Engine Co Inc (USA)
18516B PRIMARY Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
18516A PRIMARY Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
18516A Hercules Engine Co Inc (USA)
Related Parts
5330-00-286-6859INTERCHANGEABLE
SEAL,PLAIN ENCASED
3120-00-516-0367INTERCHANGEABLE
BEARING,SLEEVE
130053
3120-00-805-6951INTERCHANGEABLE
BEARING,WASHER,THRUST
TT3001-3
5935-00-902-2749INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
517-9000-035
5962-01-123-1702INTERCHANGEABLE
MICROCIRCUIT,MEMORY
932883-604
6130-01-324-4730INTERCHANGEABLE
RECTIFIER,METALLIC
5310-01-556-6031INTERCHANGEABLE
NUT,PLAIN,HEXAGON
18516
5340-01-633-8091INTERCHANGEABLE
CLAMP,BLOCK
2261640

Frequently Asked Questions

What is NSN 2805-00-270-3479?

NSN 2805-00-270-3479 is a Ring,piston, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 2805 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2805-00-270-3479?

NSN 2805-00-270-3479 has 7 cross-referenced part numbers: 70 (Dana Corp Engine Products Div), 130053 (Celtrac Corp), 18516 (0mcc Inc), 18516B (Hercules Engine Co Inc), 18516B (Brinkley Technology Group Llc Dba Hercules Manufacturing) and 2 more.

What NSN replaces 2805-00-270-3479?

There are 8 known substitutes for 2805-00-270-3479: 5330-00-286-6859, 3120-00-516-0367, 3120-00-805-6951 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18516B?

Key specifications for 18516B: Ring Style: CONCENTRIC; Standard Bore Diameter: 4.250 INCHES IN; Radial Wall Thickness: 0.1600 INCHES MINIMUM AND 0.1700 INCHES MAXIMUM IN; Joint Style: VERTICAL JOINT. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2805-00-270-3479 still in active supply?

NSN 2805-00-270-3479 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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