PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LS2726-3Channel,structural

Lockheed Martin Corp · NSN 9540-00-074-4026 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-074-4026 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-074-4026. Primary manufacturer part number: LS2726-3.
Features
  • Channel,structural — FSC 9540
  • Material: ALUMINUM ALLOY
  • Fillet Radius Where Right Flange Joins Base Flange: 0.040 INCHES NOMINAL IN
  • First Tip Style: SQUARE W/ INNER AND OUTER CORNER RADII
  • Fillet Radius Where Left Flange Joins Base Flange: 0.040 INCHES NOMINAL IN
  • Right Inside Angle: 90.0 DEGREES NOMINAL
  • Left Inside Angle: 90.0 DEGREES NOMINAL
  • Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Channel,structural, cataloged under National Stock Number 9540-00-074-4026, is classified within Federal Supply Class 9540 (No Item Name Available) of the Metal Bars, Sheets, and Shapes group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, 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
NSN9540-00-074-4026
Primary Part NumberLS2726-3
Item NameChannel,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
MaterialALUMINUM ALLOY
Fillet Radius Where Right Flange Joins Base Flange0.040 INCHES NOMINAL IN
First Tip StyleSQUARE W/ INNER AND OUTER CORNER RADII
Fillet Radius Where Left Flange Joins Base Flange0.040 INCHES NOMINAL IN
Right Inside Angle90.0 DEGREES NOMINAL
Left Inside Angle90.0 DEGREES NOMINAL
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Right Side Flange Thickness0.085 INCHES NOMINAL IN
Second Tip Relationship to First TipIDENTICAL
Right Side Flange Height1.000 INCHES NOMINAL IN
Weight Per Unit Measure0.400 POUNDS PER LINEAR FOOT LBS
Specification/standard Data81348-QQ-S-200/3 GOVERNMENT SPECIFICATION
Left Side Flange Height1.000 INCHES NOMINAL IN
First Tip Outer Radius0.045 INCHES NOMINAL IN
Base Flange Thickness0.085 INCHES NOMINAL IN
Basic Shape StyleCHANNEL
Left Side Flange Thickness0.085 INCHES NOMINAL IN
First Tip Inner Radius0.045 INCHES NOMINAL IN
Outer Radius Where Right Flange Joins Base Flange0.045 INCHES NOMINAL IN
Outer Radius Where Left Flange Joins Base Flange0.045 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5340-00-899-57180150143 INTERCHANGEABLE
Seat,helical Compression Spring
Perkins Engines Inc
5330-01-006-196814687 INTERCHANGEABLE
Packing,preformed
Ametek Inc Schutte and Koerting Div
9540-01-009-7326 INTERCHANGEABLE
Channel,structural
2520-01-274-487900014687 INTERCHANGEABLE
Disk,clutch,vehicular
New Holland Construction
5120-01-722-849614687 INTERCHANGEABLE
Adapter,socket Wrench
Gatr Technologies, Inc.
Cross-Reference Index
Part NumberManufacturer
LS2726-3 Lockheed Martin Corp (USA)
AMS-QQ-A-200/3 Society of Automotive Engineers Inc (USA)
14687 International Light Metals Corp Sub of Martin Marietta Corp (USA)
QQ-A-200/3 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AMS-QQ-A-200/3 Sae International Dba Sae International (USA)
Related Parts
5340-00-899-5718INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
0150143
5330-01-006-1968INTERCHANGEABLE
PACKING,PREFORMED
14687
9540-01-009-7326INTERCHANGEABLE
CHANNEL,STRUCTURAL
2520-01-274-4879INTERCHANGEABLE
DISK,CLUTCH,VEHICULAR
00014687
5120-01-722-8496INTERCHANGEABLE
ADAPTER,SOCKET WRENCH
14687

Frequently Asked Questions

What is NSN 9540-00-074-4026?

NSN 9540-00-074-4026 is a Channel,structural, manufactured by Lockheed Martin Corp, classified under FSC 9540 (No Item Name Available). Status: active.

What are the part numbers for NSN 9540-00-074-4026?

NSN 9540-00-074-4026 has 5 cross-referenced part numbers: LS2726-3 (Lockheed Martin Corp), AMS-QQ-A-200/3 (Society of Automotive Engineers Inc), 14687 (International Light Metals Corp Sub of Martin Marietta Corp), QQ-A-200/3 (Federal Specifications Promulgated by General Services Administration Washington DC), AMS-QQ-A-200/3 (Sae International Dba Sae International).

What NSN replaces 9540-00-074-4026?

There are 5 known substitutes for 9540-00-074-4026: 5340-00-899-5718, 5330-01-006-1968, 9540-01-009-7326 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of LS2726-3?

Key specifications for LS2726-3: Material: ALUMINUM ALLOY; Fillet Radius Where Right Flange Joins Base Flange: 0.040 INCHES NOMINAL IN; First Tip Style: SQUARE W/ INNER AND OUTER CORNER RADII; Fillet Radius Where Left Flange Joins Base Flange: 0.040 INCHES NOMINAL IN. 21 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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