PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

39117ARing,piston

Brinkley Technology Group Llc Dba Hercules Manufacturing · NSN 2805-00-278-1907 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-278-1907 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-278-1907. Primary manufacturer part number: 39117A.
Features
  • Ring,piston — FSC 2805
  • Material Document and Classification: AMS 7402,28265 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Standard Bore Diameter: 3.000 INCHES IN
  • Cross-Sectional Shape Style: INSIDE BEVEL, UPPER, DOUBLE BEVEL FACE
  • Surface Treatment: NICKEL OVERALL
  • Material: IRON OVERALL
  • Joint Style: VERTICAL JOINT
  • Radial Wall Thickness: 0.1400 INCHES MINIMUM AND 0.1500 INCHES MAXIMUM IN
Applications
  • Applications requiring Iron Overall construction
General Description

The Ring,piston, cataloged under National Stock Number 2805-00-278-1907, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2805-00-278-1907
Primary Part Number39117A
Item NameRing,piston
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerBrinkley Technology Group Llc Dba Hercules Manufacturing
StatusCANCELLED
Material Document and ClassificationAMS 7402,28265 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Standard Bore Diameter3.000 INCHES IN
Cross-Sectional Shape StyleINSIDE BEVEL, UPPER, DOUBLE BEVEL FACE
Surface TreatmentNICKEL OVERALL
MaterialIRON OVERALL
Joint StyleVERTICAL JOINT
Radial Wall Thickness0.1400 INCHES MINIMUM AND 0.1500 INCHES MAXIMUM IN
Ring StyleCONCENTRIC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5120-00-263-4143 INTERCHANGEABLE
Socket,socket Wrench
5930-01-033-1457 INTERCHANGEABLE
Modification Kit,switch
5935-01-089-207324787 INTERCHANGEABLE
Connector,receptacle,electrical
Data Device Corp Dba Beta Transformer Technology
4320-01-230-199024787 INTERCHANGEABLE
Impeller,pump,centrifugal
Industrial Technologies and Services Llc
6110-01-291-881824787 INTERCHANGEABLE
Starter,motor
Ward Leonard Ct Llc
4820-01-313-6788 INTERCHANGEABLE
Parts Kit,safety Relief Valve
5998-01-343-997724787 INTERCHANGEABLE
Printed Wiring Board
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
Cross-Reference Index
Part NumberManufacturer
24787 Dana Corp Engine Products Div (USA)
39117A Hercules Engine Co Inc (USA)
39117A PRIMARY Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
Related Parts
5120-00-263-4143INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5930-01-033-1457INTERCHANGEABLE
MODIFICATION KIT,SWITCH
5935-01-089-2073INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
24787
4320-01-230-1990INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
24787
6110-01-291-8818INTERCHANGEABLE
STARTER,MOTOR
24787
4820-01-313-6788INTERCHANGEABLE
PARTS KIT,SAFETY RELIEF VALVE
5998-01-343-9977INTERCHANGEABLE
PRINTED WIRING BOARD
24787

Frequently Asked Questions

What is NSN 2805-00-278-1907?

NSN 2805-00-278-1907 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 2805-00-278-1907?

NSN 2805-00-278-1907 has 3 cross-referenced part numbers: 24787 (Dana Corp Engine Products Div), 39117A (Hercules Engine Co Inc), 39117A (Brinkley Technology Group Llc Dba Hercules Manufacturing).

What NSN replaces 2805-00-278-1907?

There are 7 known substitutes for 2805-00-278-1907: 5120-00-263-4143, 5930-01-033-1457, 5935-01-089-2073 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 39117A?

Key specifications for 39117A: Material Document and Classification: AMS 7402,28265 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Overall Width: 0.0930 INCHES MINIMUM AND 0.0935 INCHES MAXIMUM IN; Standard Bore Diameter: 3.000 INCHES IN; Cross-Sectional Shape Style: INSIDE BEVEL, UPPER, DOUBLE BEVEL FACE. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2805-00-278-1907 still in active supply?

NSN 2805-00-278-1907 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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