PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

103409Standoff,threaded,spacing

Astronautics Corporation of America · NSN 5340-00-118-4249 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-118-4249 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-118-4249. Primary manufacturer part number: 103409.
Features
  • Standoff,threaded,spacing — FSC 5340
  • Style Designator: PROJECTION ONE END LEFT INTERNAL THREAD
  • Left Counterbore Diameter: 0.156 INCHES NOMINAL IN
  • Left Counterbore Depth: 0.090 INCHES NOMINAL IN
  • Length: 0.406 INCHES NOMINAL IN
  • Cross-Sectional Shape: ROUND
  • Diameter: 0.218 INCHES NOMINAL IN
  • 1 verified cross-reference
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Standoff,threaded,spacing, cataloged under National Stock Number 5340-00-118-4249, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Astronautics Corporation of America. Government technical data includes 6 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-118-4249
Primary Part Number103409
Item NameStandoff,threaded,spacing
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerAstronautics Corporation of America
StatusACTIVE
Style DesignatorPROJECTION ONE END LEFT INTERNAL THREAD
Left Counterbore Diameter0.156 INCHES NOMINAL IN
Left Counterbore Depth0.090 INCHES NOMINAL IN
Length0.406 INCHES NOMINAL IN
Cross-Sectional ShapeROUND
Diameter0.218 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 3
5315-00-234-1664MS24665-495 INTERCHANGEABLE
Pin,cotter
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
2530-00-375-0965L16VC79 INTERCHANGEABLE
Boot,vehicular Components
Eaton Corp Dba Eaton Aerospace Jackson
5331-01-543-7984103409 INTERCHANGEABLE
O-Ring
Hammonds Technical Services, Inc.
Cross-Reference Index
Part NumberManufacturer
103409 PRIMARY Astronautics Corporation of America (USA)
Related Parts
5315-00-234-1664INTERCHANGEABLE
PIN,COTTER
MS24665-495
2530-00-375-0965INTERCHANGEABLE
BOOT,VEHICULAR COMPONENTS
L16VC79
5331-01-543-7984INTERCHANGEABLE
O-RING
103409

Frequently Asked Questions

What is NSN 5340-00-118-4249?

NSN 5340-00-118-4249 is a Standoff,threaded,spacing, manufactured by Astronautics Corporation of America, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-118-4249?

NSN 5340-00-118-4249 has 1 cross-referenced part number: 103409 (Astronautics Corporation of America).

What NSN replaces 5340-00-118-4249?

There are 3 known substitutes for 5340-00-118-4249: 5315-00-234-1664, 2530-00-375-0965, 5331-01-543-7984. Verify interchangeability with system specifications before substitution.

What are the specifications of 103409?

Key specifications for 103409: Style Designator: PROJECTION ONE END LEFT INTERNAL THREAD; Left Counterbore Diameter: 0.156 INCHES NOMINAL IN; Left Counterbore Depth: 0.090 INCHES NOMINAL IN; Length: 0.406 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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