PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3812ARing,piston

Brinkley Technology Group Llc Dba Hercules Manufacturing · NSN 2815-00-273-0585 · FSC 2815 · No Item Name Available
Verified by PartsTable
NSN 2815-00-273-0585 — this item is cataloged by the U.S. Government under National Stock Number 2815-00-273-0585. Primary manufacturer part number: 3812A.
Features
  • Ring,piston — FSC 2815
  • Radial Wall Thickness: 0.1600 INCHES MAXIMUM IN
  • Material: IRON OVERALL
  • Standard Bore Diameter: 3.750 INCHES IN
  • Ring Style: CONCENTRIC
  • FSC Application Data: PISTON,DIESEL,ENGINE
  • Joint Style: VERTICAL JOINT
  • Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE
Applications
  • Applications requiring Iron Overall construction
General Description

The Ring,piston, cataloged under National Stock Number 2815-00-273-0585, is classified within Federal Supply Class 2815 (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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2815-00-273-0585
Primary Part Number3812A
Item NameRing,piston
FSC / FSG2815 / 28 — No Item Name Available
ManufacturerBrinkley Technology Group Llc Dba Hercules Manufacturing
StatusCANCELLED
Radial Wall Thickness0.1600 INCHES MAXIMUM IN
MaterialIRON OVERALL
Standard Bore Diameter3.750 INCHES IN
Ring StyleCONCENTRIC
FSC Application DataPISTON,DIESEL,ENGINE
Joint StyleVERTICAL JOINT
Cross-Sectional Shape StylePLAIN RECTANGULAR, STRAIGHT FACE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5935-00-064-2447UG477U INTERCHANGEABLE
Connector,receptacle,electrical
Joint Electronics Type Designation System
4820-00-070-6924381-1 INTERCHANGEABLE
Valve,angle
Admiral Valve Llc Dba Cpv Manufacturing
5977-00-212-5871 INTERCHANGEABLE
Brush,slip Ring
6940-00-303-55393811 INTERCHANGEABLE
Switch Assembly,limit
Scientific Atlanta Inc
1005-00-344-62543811 INTERCHANGEABLE
Sear
Smith & Wesson Sales Company
6680-00-399-26963811 INTERCHANGEABLE
Plunger Assembly,pump
King Engineering Corporation Dba King-Gage Systems
4730-00-433-2574141-8D INTERCHANGEABLE
Coupling Assembly,quick Disconne
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
6650-00-434-0188381-1 INTERCHANGEABLE
Telescope,alignment
Brunson Instrument Company Dba Brunson Instrument Co
5950-00-615-398363065 INTERCHANGEABLE
Transformer,power
L3harris Technologies, Inc Div Space & Airborne Systems
5930-00-700-3364 INTERCHANGEABLE
Rotor,electrical Switch
Cross-Reference Index
Part NumberManufacturer
SN4508PCDE50634 Agco Corp Parts Opn (USA)
76216A Hercules Engine Co Inc (USA)
3812A PRIMARY Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
B2010-9PC141 Lenard Packaging Co Inc the (USA)
18-258 PRIMARY Dresser Industries Inc Leroi Div (USA)
DE50634 Agco Corp Parts Opn (USA)
76216A Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
3811ASTD Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
3811A Trackmobile Llc (USA)
26070PC3811A Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
3811 Hercules Engine Co Inc (USA)
3811ASTD Hercules Engine Co Inc (USA)
26070PC3811A Hercules Engine Co Inc (USA)
3812A Hercules Engine Co Inc (USA)
SN6008PCDE50634 Agco Corp Parts Opn (USA)
3811 Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
3811A Marine Engine Specialties Div of Mesco Tectonics Inc (USA)
4762PC107 John Reiner & Co. Inc. (USA)
Related Parts
5935-00-064-2447INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
UG477U
4820-00-070-6924INTERCHANGEABLE
VALVE,ANGLE
381-1
5977-00-212-5871INTERCHANGEABLE
BRUSH,SLIP RING
6940-00-303-5539INTERCHANGEABLE
SWITCH ASSEMBLY,LIMIT
3811
1005-00-344-6254INTERCHANGEABLE
SEAR
3811
6680-00-399-2696INTERCHANGEABLE
PLUNGER ASSEMBLY,PUMP
3811
4730-00-433-2574INTERCHANGEABLE
COUPLING ASSEMBLY,QUICK DISCONNE
141-8D
6650-00-434-0188INTERCHANGEABLE
TELESCOPE,ALIGNMENT
381-1
5950-00-615-3983INTERCHANGEABLE
TRANSFORMER,POWER
63065
5930-00-700-3364INTERCHANGEABLE
ROTOR,ELECTRICAL SWITCH
7360-00-999-9884INTERCHANGEABLE
HANDLE,LIFTING,BODY
4346
4820-01-011-2807INTERCHANGEABLE
SEAT,VALVE
18258

Frequently Asked Questions

What is NSN 2815-00-273-0585?

NSN 2815-00-273-0585 is a Ring,piston, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 2815 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2815-00-273-0585?

NSN 2815-00-273-0585 has 18 cross-referenced part numbers: SN4508PCDE50634 (Agco Corp Parts Opn), 76216A (Hercules Engine Co Inc), 3812A (Brinkley Technology Group Llc Dba Hercules Manufacturing), B2010-9PC141 (Lenard Packaging Co Inc the), 18-258 (Dresser Industries Inc Leroi Div) and 13 more.

What NSN replaces 2815-00-273-0585?

There are 12 known substitutes for 2815-00-273-0585: 5935-00-064-2447, 4820-00-070-6924, 5977-00-212-5871 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3812A?

Key specifications for 3812A: Radial Wall Thickness: 0.1600 INCHES MAXIMUM IN; Material: IRON OVERALL; Standard Bore Diameter: 3.750 INCHES IN; Ring Style: CONCENTRIC. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2815-00-273-0585 still in active supply?

NSN 2815-00-273-0585 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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