PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

59641Ring,piston

H20 Tank Inc U S Motors Div · NSN 2805-00-354-7736 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-354-7736 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-354-7736. Primary manufacturer part number: 59641.
Features
  • Ring,piston — FSC 2805
  • Joint Style: VERTICAL JOINT
  • Surface Treatment: OXIDE IRON OVERALL
  • Ring Style: CONCENTRIC
  • Standard Bore Diameter: 3.438 INCHES IN
  • Cross-Sectional Shape Style: INSIDE COUNTERBORE, STRAIGHT FACE
  • Radial Wall Thickness: 0.1500 INCHES NOMINAL IN
  • Material: IRON OVERALL
Applications
  • Applications requiring Iron Overall construction
General Description

The Ring,piston, cataloged under National Stock Number 2805-00-354-7736, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is H20 Tank Inc U S Motors Div. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2805-00-354-7736
Primary Part Number59641
Item NameRing,piston
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerH20 Tank Inc U S Motors Div
StatusACTIVE
Joint StyleVERTICAL JOINT
Surface TreatmentOXIDE IRON OVERALL
Ring StyleCONCENTRIC
Standard Bore Diameter3.438 INCHES IN
Cross-Sectional Shape StyleINSIDE COUNTERBORE, STRAIGHT FACE
Radial Wall Thickness0.1500 INCHES NOMINAL IN
MaterialIRON OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4810-00-059-76325-964-1 INTERCHANGEABLE
Valve,butterfly
Parker Hannifin Corporation Div Aerospace Group Headquarters
6625-00-107-4264B-48-23 INTERCHANGEABLE
Lead,test
Fluke Electronics Corp
5975-00-111-3208MS3367-5-9 INTERCHANGEABLE
Strap,tie Down,electrical Compon
Sae International Dba Sae International
6145-01-221-0752 INTERCHANGEABLE
Cable,power,electrical
5930-01-262-6838P47AB-3 INTERCHANGEABLE
Switch,pressure
Johnson Controls Inc Control Products Div
5340-01-309-6585 INTERCHANGEABLE
Handle,manual Control
5920-01-572-870559641 INTERCHANGEABLE
Discharger,electrostatic
Aerovironment, Inc. Dba Aerovironment Inc
6510-01-598-24719192A INTERCHANGEABLE
Pad,abdominal
Cardinal Health 200, Llc
5340-01-666-331024842 INTERCHANGEABLE
Cap,protective,dust and Moisture
Amerex Corporation Dba Amerex Corp
2930-01-704-1164 INTERCHANGEABLE
Parts Kit,engine Water Pump
Cross-Reference Index
Part NumberManufacturer
59641 PRIMARY H20 Tank Inc U S Motors Div (USA)
24842 Dana Corp Engine Products Div (USA)
Related Parts
4810-00-059-7632INTERCHANGEABLE
VALVE,BUTTERFLY
5-964-1
6625-00-107-4264INTERCHANGEABLE
LEAD,TEST
B-48-23
5975-00-111-3208INTERCHANGEABLE
STRAP,TIE DOWN,ELECTRICAL COMPON
MS3367-5-9
6145-01-221-0752INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
5930-01-262-6838INTERCHANGEABLE
SWITCH,PRESSURE
P47AB-3
5340-01-309-6585INTERCHANGEABLE
HANDLE,MANUAL CONTROL
5920-01-572-8705INTERCHANGEABLE
DISCHARGER,ELECTROSTATIC
59641
6510-01-598-2471INTERCHANGEABLE
PAD,ABDOMINAL
9192A
5340-01-666-3310INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
24842
2930-01-704-1164INTERCHANGEABLE
PARTS KIT,ENGINE WATER PUMP

Frequently Asked Questions

What is NSN 2805-00-354-7736?

NSN 2805-00-354-7736 is a Ring,piston, manufactured by H20 Tank Inc U S Motors Div, classified under FSC 2805 (No Item Name Available). Status: active.

What are the part numbers for NSN 2805-00-354-7736?

NSN 2805-00-354-7736 has 2 cross-referenced part numbers: 59641 (H20 Tank Inc U S Motors Div), 24842 (Dana Corp Engine Products Div).

What NSN replaces 2805-00-354-7736?

There are 10 known substitutes for 2805-00-354-7736: 4810-00-059-7632, 6625-00-107-4264, 5975-00-111-3208 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 59641?

Key specifications for 59641: Joint Style: VERTICAL JOINT; Overall Width: 0.0930 INCHES NOMINAL IN; Surface Treatment: OXIDE IRON OVERALL; Ring Style: CONCENTRIC. 8 total characteristics are documented in the Federal Logistics Information System.

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