PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

70409Ring Set,piston

Dana Corp Engine Products Div · NSN 2805-00-516-9365 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-516-9365 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-516-9365. Primary manufacturer part number: 70409.
Features
  • Ring Set,piston — FSC 2805
  • Standard Bore Diameter: 3.500 INCHES IN
  • Piston Accommodation Quantity: 4
  • Ring Set Component Parts: COMPRESSION RING,200CM,77220,4; COMPRESSION RING,70CM,77220,8; OIL RING,WS85,77220,4 CM
  • 4 verified cross-references
  • Primary manufacturer: Dana Corp Engine Products Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ring Set,piston, cataloged under National Stock Number 2805-00-516-9365, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Dana Corp Engine Products Div. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN2805-00-516-9365
Primary Part Number70409
Item NameRing Set,piston
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerDana Corp Engine Products Div
StatusCANCELLED
Standard Bore Diameter3.500 INCHES IN
Piston Accommodation Quantity4
Ring Set Component PartsCOMPRESSION RING,200CM,77220,4; COMPRESSION RING,70CM,77220,8; OIL RING,WS85,77220,4 CM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2910-00-039-6070 INTERCHANGEABLE
Pump Assembly,fuel
6920-00-107-1743 INTERCHANGEABLE
Housing,transmissio
5136-00-197-95645136-00-197-9564 INTERCHANGEABLE
Die,rethreading
General Services Administration Federal Supply Service
5360-00-200-5427 INTERCHANGEABLE
Spring,helical,compression
5133-00-236-4043 INTERCHANGEABLE
Drill,twist
5945-00-255-1131910833-00 INTERCHANGEABLE
Relay,electromagnetic
Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
5930-00-259-84907272 INTERCHANGEABLE
Switch,rotary
Eaton Corp Opns & Technical Center
5307-00-371-61637272 INTERCHANGEABLE
Stud,plain
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5915-00-491-965910179277-002 INTERCHANGEABLE
Filter,band Pass
Us Army Aviation and Missile Command
1680-00-567-752142732 INTERCHANGEABLE
Bushing,spool
B E Aerospace Inc Services Div
Cross-Reference Index
Part NumberManufacturer
70409 Dana Corp Engine Products Div (USA)
19S91 Spirolox Inc (USA)
42732 Mcquay-Norris Inc Oem Div an Skf Industries Co
7272 Dana Corp Engine Products Div (USA)
Related Parts
2910-00-039-6070INTERCHANGEABLE
PUMP ASSEMBLY,FUEL
6920-00-107-1743INTERCHANGEABLE
HOUSING,TRANSMISSIO
5136-00-197-9564INTERCHANGEABLE
DIE,RETHREADING
5136-00-197-9564
5360-00-200-5427INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5133-00-236-4043INTERCHANGEABLE
DRILL,TWIST
5945-00-255-1131INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
910833-00
5930-00-259-8490INTERCHANGEABLE
SWITCH,ROTARY
7272
5307-00-371-6163INTERCHANGEABLE
STUD,PLAIN
7272
5915-00-491-9659INTERCHANGEABLE
FILTER,BAND PASS
10179277-002
1680-00-567-7521INTERCHANGEABLE
BUSHING,SPOOL
42732
5930-00-669-7417INTERCHANGEABLE
SWITCH,ROTARY
12Z13116-1551
5930-00-732-5584INTERCHANGEABLE
SWITCH,ROTARY
745641

Frequently Asked Questions

What is NSN 2805-00-516-9365?

NSN 2805-00-516-9365 is a Ring Set,piston, manufactured by Dana Corp Engine Products Div, classified under FSC 2805 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2805-00-516-9365?

NSN 2805-00-516-9365 has 4 cross-referenced part numbers: 70409 (Dana Corp Engine Products Div), 19S91 (Spirolox Inc), 42732 (Mcquay-Norris Inc Oem Div an Skf Industries Co), 7272 (Dana Corp Engine Products Div).

What NSN replaces 2805-00-516-9365?

There are 12 known substitutes for 2805-00-516-9365: 2910-00-039-6070, 6920-00-107-1743, 5136-00-197-9564 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 70409?

Key specifications for 70409: Standard Bore Diameter: 3.500 INCHES IN; Piston Accommodation Quantity: 4; Ring Set Component Parts: COMPRESSION RING,200CM,77220,4; COMPRESSION RING,70CM,77220,8; OIL RING,WS85,77220,4 CM. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2805-00-516-9365 still in active supply?

NSN 2805-00-516-9365 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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