PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LS2419Angle,structural

Lockheed Martin Corp · NSN 9540-00-555-9178 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-555-9178 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-555-9178. Primary manufacturer part number: LS2419.
Features
  • Angle,structural — FSC 9540
  • Left Inside Angle: 90.0 DEGREES NOMINAL
  • Base Flange Thickness: 0.094 INCHES NOMINAL IN
  • Weight Per Unit Measure: 0.413 POUNDS PER LINEAR FOOT LBS
  • Material: ALUMINUM ALLOY
  • Fillet Radius Where Left Flange Joins Base Flange: 0.094 INCHES NOMINAL IN
  • Basic Shape Style: ANGLE
  • Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-00-555-9178, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9540-00-555-9178
Primary Part NumberLS2419
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Left Inside Angle90.0 DEGREES NOMINAL
Base Flange Thickness0.094 INCHES NOMINAL IN
Weight Per Unit Measure0.413 POUNDS PER LINEAR FOOT LBS
MaterialALUMINUM ALLOY
Fillet Radius Where Left Flange Joins Base Flange0.094 INCHES NOMINAL IN
Basic Shape StyleANGLE
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Specification/standard Data81348-QQ-A-267 GOVERNMENT SPECIFICATION
Left Side Flange Thickness0.094 INCHES NOMINAL IN
Nondefinitive Spec/std Data4 TEMPER
Fabrication MethodEXTRUDED
Outer Radius Where Left Flange Joins Base Flange0.016 INCHES NOMINAL IN
First Tip StyleSQUARE W/ INNER AND OUTER CORNER RADII
First Tip Inner Radius0.054 INCHES NOMINAL IN
Second Tip Relationship to First TipIDENTICAL
First Tip Outer Radius0.016 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5910-00-068-4573 INTERCHANGEABLE
Capacitor,fixed,metallized,paper
3110-00-144-8589 INTERCHANGEABLE
Bearing,ball,annular
5950-00-324-30444007264 INTERCHANGEABLE
Transformer,power,vibrator
Honeywell International Inc. Dba Honeywell International
5360-00-780-582614674 INTERCHANGEABLE
Spring,helical,compression
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
4320-01-121-2441 INTERCHANGEABLE
Pump Assembly
5360-01-179-221614674 INTERCHANGEABLE
Spring,helical,compression
Westerbeke Corporation
9540-01-354-5863 INTERCHANGEABLE
Angle,structural
9540-01-354-7790 INTERCHANGEABLE
Angle,structural
9540-01-354-7791 INTERCHANGEABLE
Angle,structural
9540-01-354-7792 INTERCHANGEABLE
Angle,structural
Cross-Reference Index
Part NumberManufacturer
1E524 The Boeing Company Div Legacy Am&m (USA)
LS2419 PRIMARY Lockheed Martin Corp (USA)
QQ-A-267 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
14674 International Light Metals Corp Sub of Martin Marietta Corp (USA)
Related Parts
5910-00-068-4573INTERCHANGEABLE
CAPACITOR,FIXED,METALLIZED,PAPER
3110-00-144-8589INTERCHANGEABLE
BEARING,BALL,ANNULAR
5950-00-324-3044INTERCHANGEABLE
TRANSFORMER,POWER,VIBRATOR
4007264
5360-00-780-5826INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
14674
4320-01-121-2441INTERCHANGEABLE
PUMP ASSEMBLY
5360-01-179-2216INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
14674
9540-01-354-5863INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-01-354-7790INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-01-354-7791INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-01-354-7792INTERCHANGEABLE
ANGLE,STRUCTURAL

Frequently Asked Questions

What is NSN 9540-00-555-9178?

NSN 9540-00-555-9178 is a Angle,structural, manufactured by Lockheed Martin Corp, classified under FSC 9540 (No Item Name Available). Status: active.

What are the part numbers for NSN 9540-00-555-9178?

NSN 9540-00-555-9178 has 4 cross-referenced part numbers: 1E524 (The Boeing Company Div Legacy Am&m), LS2419 (Lockheed Martin Corp), QQ-A-267 (Federal Specifications Promulgated by General Services Administration Washington DC), 14674 (International Light Metals Corp Sub of Martin Marietta Corp).

What NSN replaces 9540-00-555-9178?

There are 10 known substitutes for 9540-00-555-9178: 5910-00-068-4573, 3110-00-144-8589, 5950-00-324-3044 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of LS2419?

Key specifications for LS2419: Left Inside Angle: 90.0 DEGREES NOMINAL; Overall Height: 1.250 INCHES NOMINAL IN; Base Flange Thickness: 0.094 INCHES NOMINAL IN; Weight Per Unit Measure: 0.413 POUNDS PER LINEAR FOOT LBS. 18 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