PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5558Piston,internal Combustion Engin

Botoman Mfg Co Inc · NSN 2805-00-696-6931 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-696-6931 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-696-6931. Primary manufacturer part number: 5558.
Features
  • Piston,internal Combustion Engin — FSC 2805
  • FSC Application Data: ENGINE,GASOLINE,RECIPROCATING NONAIRCRAFT
  • Ring Groove Position and Quantity: NUMBER 1,NUMBER 2,NUMBER 3 QND NUMBER 4 PISTON ALL RINGS
  • Finished Size Designation: STANDARD
  • Pin Type for Which Designed: FLOATING
  • Oil Passage Type: HOLE FOURTH RING
  • Material: ALUMINUM
  • Pin: NOT INCLUDED
Applications
  • Applications requiring Aluminum construction
General Description

The Piston,internal Combustion Engin, cataloged under National Stock Number 2805-00-696-6931, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Botoman Mfg Co Inc. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2805-00-696-6931
Primary Part Number5558
Item NamePiston,internal Combustion Engin
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerBotoman Mfg Co Inc
StatusACTIVE
FSC Application DataENGINE,GASOLINE,RECIPROCATING NONAIRCRAFT
Ring Groove Position and QuantityNUMBER 1,NUMBER 2,NUMBER 3 QND NUMBER 4 PISTON ALL RINGS
Finished Size DesignationSTANDARD
Pin Type for Which DesignedFLOATING
Oil Passage TypeHOLE FOURTH RING
MaterialALUMINUM
PinNOT INCLUDED
Ring Groove Width0.095 INCHES MINIMUM AND 0.097 INCHES MAXIMUM ALL RINGS IN
Pinhole Diameter0.7495 INCHES NOMINAL IN
Distance Between Pin Bosses1.125 INCHES NOMINAL IN
Surface FinishFINISHED
Pin Hole BushingNOT INCLUDED
Carbon GrooveNOT INCLUDED
Skirt Bottom Cutaway FeatureNOT INCLUDED
Oil GrooveNOT INCLUDED
RingNOT INCLUDED
Ring Groove Quantity4
Skirt TypeSOLID
Ring Groove Diameter2.418 INCHES MINIMUM AND 2.434 INCHES MAXIMUM ALL RINGS IN
Retaining Ring GrooveNOT INCLUDED
Distance From Pin Hole Center to Extreme Top1.250 INCHES NOMINAL IN
Head StyleFLAT
Diameter2.740 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5962-00-172-5583LM1458N INTERCHANGEABLE
Microcircuit,linear
National Semiconductor Corporation
5985-00-491-7909 INTERCHANGEABLE
Coupler,transmission Line
5962-01-154-444024-405558 INTERCHANGEABLE
Microcircuit,linear
Analogic Corp Data Precision Div
5962-01-174-34415558 INTERCHANGEABLE
Microcircuit
Coherent Communicatoins Systems Corp
5930-01-187-80265558 INTERCHANGEABLE
Switch,toggle
Cole Hersee Company
5120-01-399-9695 INTERCHANGEABLE
Socket,socket Wrench
4235-01-433-94267807 INTERCHANGEABLE
Spill Clean-Up Kit,hazardous Mat
Berryman Products, Inc.
Cross-Reference Index
Part NumberManufacturer
5558 Botoman Mfg Co Inc (USA)
Related Parts
5962-00-172-5583INTERCHANGEABLE
MICROCIRCUIT,LINEAR
LM1458N
5985-00-491-7909INTERCHANGEABLE
COUPLER,TRANSMISSION LINE
5962-01-154-4440INTERCHANGEABLE
MICROCIRCUIT,LINEAR
24-405558
5962-01-174-3441INTERCHANGEABLE
MICROCIRCUIT
5558
5930-01-187-8026INTERCHANGEABLE
SWITCH,TOGGLE
5558
5120-01-399-9695INTERCHANGEABLE
SOCKET,SOCKET WRENCH
4235-01-433-9426INTERCHANGEABLE
SPILL CLEAN-UP KIT,HAZARDOUS MAT
7807

Frequently Asked Questions

What is NSN 2805-00-696-6931?

NSN 2805-00-696-6931 is a Piston,internal Combustion Engin, manufactured by Botoman Mfg Co Inc, classified under FSC 2805 (No Item Name Available). Status: active.

What are the part numbers for NSN 2805-00-696-6931?

NSN 2805-00-696-6931 has 1 cross-referenced part number: 5558 (Botoman Mfg Co Inc).

What NSN replaces 2805-00-696-6931?

There are 7 known substitutes for 2805-00-696-6931: 5962-00-172-5583, 5985-00-491-7909, 5962-01-154-4440 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5558?

Key specifications for 5558: FSC Application Data: ENGINE,GASOLINE,RECIPROCATING NONAIRCRAFT; Ring Groove Position and Quantity: NUMBER 1,NUMBER 2,NUMBER 3 QND NUMBER 4 PISTON ALL RINGS; Finished Size Designation: STANDARD; Pin Type for Which Designed: FLOATING. 24 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com