PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

230003Pin,piston

Essex Industries, Inc. Dba Essex Industries · NSN 2805-00-544-0681 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-544-0681 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-544-0681. Primary manufacturer part number: 230003.
Features
  • Pin,piston — FSC 2805
  • FSC Application Data: ENGINE,GASOLINE,NONAIRCRAFT
  • Material: STEEL COMP 1016 OR STEEL COMP 1117
  • Material Document and Classification: FED STD 66 FED STD 1ST MATERIAL RESPONSE OR AISI 1016 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1016 ASSN STD SINGLE MATERIAL RESPONSE AND FED STD 66 FED STD 2ND MATERIAL RESPONSE OR AISI ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1117 ASSN STD SINGLE MATERIAL RESPONSE
  • Body Length: 2.4700 INCHES MINIMUM AND 2.4750 INCHES MAXIMUM IN
  • Bore Style: INSIDE RADII STRAIGHT-THRU BORE
  • Bore Radius: 0.016 INCHES NOMINAL IN
  • Casehardening Indicator: CASEHARDENED
Applications
  • Applications requiring Steel Comp 1016 or Steel Comp 1117 construction
General Description

The Pin,piston, cataloged under National Stock Number 2805-00-544-0681, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Essex Industries, Inc. Dba Essex Industries. Government technical data includes 11 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2805-00-544-0681
Primary Part Number230003
Item NamePin,piston
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerEssex Industries, Inc. Dba Essex Industries
StatusACTIVE
FSC Application DataENGINE,GASOLINE,NONAIRCRAFT
MaterialSTEEL COMP 1016 OR STEEL COMP 1117
Material Document and ClassificationFED STD 66 FED STD 1ST MATERIAL RESPONSE OR AISI 1016 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1016 ASSN STD SINGLE MATERIAL RESPONSE AND FED STD 66 FED STD 2ND MATERIAL RESPONSE OR AISI ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1117 ASSN STD SINGLE MATERIAL RESPONSE
Body Length2.4700 INCHES MINIMUM AND 2.4750 INCHES MAXIMUM IN
Bore StyleINSIDE RADII STRAIGHT-THRU BORE
Bore Radius0.016 INCHES NOMINAL IN
Casehardening IndicatorCASEHARDENED
Outside Diameter0.62470 INCHES MINIMUM AND 0.62490 INCHES MAXIMUM IN
Bore Diameter0.5750 INCHES MINIMUM AND 0.5800 INCHES MAXIMUM IN
Metallic Hardness Rating60.0 MINIMUM ROCKWELL C AND 66.0 MAXIMUM ROCKWELL C
Body StylePLAIN ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5940-00-187-511932053 INTERCHANGEABLE
Terminal,lug
Te Connectivity Corporation
5935-00-233-672817253 INTERCHANGEABLE
Connector,receptacle,electrical
Belden Wire and Cable Co Wire and Cable Office
5855-00-908-6328 INTERCHANGEABLE
Filter,infrared Light
5961-01-408-7657 INTERCHANGEABLE
Transistor
5920-01-448-4310230003 INTERCHANGEABLE
Fuse,cartridge
Littelfuse, Inc.
4920-01-572-6606EMA3/1/4NPT INTERCHANGEABLE
Test Port Coupling,
Parker-Hannifin Corporation Div Quick Coupling Division
Cross-Reference Index
Part NumberManufacturer
230003 PRIMARY Essex Industries, Inc. Dba Essex Industries (USA)
Related Parts
5940-00-187-5119INTERCHANGEABLE
TERMINAL,LUG
32053
5935-00-233-6728INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
17253
5855-00-908-6328INTERCHANGEABLE
FILTER,INFRARED LIGHT
5961-01-408-7657INTERCHANGEABLE
TRANSISTOR
5920-01-448-4310INTERCHANGEABLE
FUSE,CARTRIDGE
230003
4920-01-572-6606INTERCHANGEABLE
TEST PORT COUPLING,
EMA3/1/4NPT

Frequently Asked Questions

What is NSN 2805-00-544-0681?

NSN 2805-00-544-0681 is a Pin,piston, manufactured by Essex Industries, Inc. Dba Essex Industries, classified under FSC 2805 (No Item Name Available). Status: active.

What are the part numbers for NSN 2805-00-544-0681?

NSN 2805-00-544-0681 has 1 cross-referenced part number: 230003 (Essex Industries, Inc. Dba Essex Industries).

What NSN replaces 2805-00-544-0681?

There are 6 known substitutes for 2805-00-544-0681: 5940-00-187-5119, 5935-00-233-6728, 5855-00-908-6328 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 230003?

Key specifications for 230003: FSC Application Data: ENGINE,GASOLINE,NONAIRCRAFT; Material: STEEL COMP 1016 OR STEEL COMP 1117; Material Document and Classification: FED STD 66 FED STD 1ST MATERIAL RESPONSE OR AISI 1016 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1016 ASSN STD SINGLE MATERIAL RESPONSE AND FED STD 66 FED STD 2ND MATERIAL RESPONSE OR AISI ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1117 ASSN STD SINGLE MATERIAL RESPONSE; Body Length: 2.4700 INCHES MINIMUM AND 2.4750 INCHES MAXIMUM IN. 11 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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