PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

52403Connecting Link,rigid

Stewart & Stevenson Power Products Llc · NSN 3040-00-834-3068 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-834-3068 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-834-3068. Primary manufacturer part number: 52403.
Features
  • Connecting Link,rigid — FSC 3040
  • Material: STEEL
  • Body Thickness: 0.250 INCHES NOMINAL IN
  • Body Width: 0.500 INCHES NOMINAL IN
  • Link Style: STRAIGHT
  • Body Construction: SOLID
  • 1 verified cross-reference
  • Primary manufacturer: Stewart & Stevenson Power Products Llc
Applications
  • Applications requiring Steel construction
General Description

The Connecting Link,rigid, cataloged under National Stock Number 3040-00-834-3068, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Stewart & Stevenson Power Products Llc. Government technical data includes 5 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-00-834-3068
Primary Part Number52403
Item NameConnecting Link,rigid
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerStewart & Stevenson Power Products Llc
StatusACTIVE
MaterialSTEEL
Body Thickness0.250 INCHES NOMINAL IN
Body Width0.500 INCHES NOMINAL IN
Link StyleSTRAIGHT
Body ConstructionSOLID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5940-00-140-1664524-03 INTERCHANGEABLE
Terminal,lug
Harcosemco Llc Dba Harcosemco
5315-00-392-8230SMB157143 INTERCHANGEABLE
Pin,shoulder,headless
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6685-00-663-8096 INTERCHANGEABLE
Thermometer,indicating,capillary
5325-01-062-1097OCB-500 INTERCHANGEABLE
Grommet,nonmetallic
Heyco Inc Dba Heyco Products
5120-01-644-622952403 INTERCHANGEABLE
Extractor,screw
Stanley Tools Div of Stanley Works
Cross-Reference Index
Part NumberManufacturer
52403 PRIMARY Stewart & Stevenson Power Products Llc (USA)
Related Parts
5940-00-140-1664INTERCHANGEABLE
TERMINAL,LUG
524-03
5315-00-392-8230INTERCHANGEABLE
PIN,SHOULDER,HEADLESS
SMB157143
6685-00-663-8096INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
5325-01-062-1097INTERCHANGEABLE
GROMMET,NONMETALLIC
OCB-500
5120-01-644-6229INTERCHANGEABLE
EXTRACTOR,SCREW
52403

Frequently Asked Questions

What is NSN 3040-00-834-3068?

NSN 3040-00-834-3068 is a Connecting Link,rigid, manufactured by Stewart & Stevenson Power Products Llc, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-00-834-3068?

NSN 3040-00-834-3068 has 1 cross-referenced part number: 52403 (Stewart & Stevenson Power Products Llc).

What NSN replaces 3040-00-834-3068?

There are 5 known substitutes for 3040-00-834-3068: 5940-00-140-1664, 5315-00-392-8230, 6685-00-663-8096 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 52403?

Key specifications for 52403: Overall Length: 1.250 INCHES NOMINAL IN; Material: STEEL; Body Thickness: 0.250 INCHES NOMINAL IN; Body Width: 0.500 INCHES NOMINAL IN. 6 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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