PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LS210-3Angle,structural

Lockheed Martin Corp · NSN 9540-00-555-3218 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-555-3218 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-555-3218. Primary manufacturer part number: LS210-3.
Features
  • Angle,structural — FSC 9540
  • Left Inside Angle: 90.0 DEGREES NOMINAL
  • Fillet Radius Where Left Flange Joins Base Flange: 0.125 INCHES NOMINAL IN
  • Left Side Flange Thickness: 0.125 INCHES NOMINAL IN
  • Material: ALUMINUM ALLOY 7075
  • Base Flange Thickness: 0.125 INCHES NOMINAL IN
  • Heat Treatment: T-6 SOLUTION HEAT TREATED
  • Weight Per Unit Measure: 0.397 POUNDS PER LINEAR FOOT LBS
Applications
  • Applications requiring Aluminum Alloy 7075 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-00-555-3218, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9540-00-555-3218
Primary Part NumberLS210-3
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Left Inside Angle90.0 DEGREES NOMINAL
Fillet Radius Where Left Flange Joins Base Flange0.125 INCHES NOMINAL IN
Left Side Flange Thickness0.125 INCHES NOMINAL IN
MaterialALUMINUM ALLOY 7075
Base Flange Thickness0.125 INCHES NOMINAL IN
Heat TreatmentT-6 SOLUTION HEAT TREATED
Weight Per Unit Measure0.397 POUNDS PER LINEAR FOOT LBS
First Tip Inner Radius0.062 INCHES NOMINAL IN
First Tip StyleSQUARE W/ INNER AND OUTER CORNER RADII
First Tip Outer Radius0.032 INCHES NOMINAL IN
Material Document and ClassificationAMS-Q-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE
Nondefinitive Spec/std Data7075 ALLOY AND T6 TEMPER
Fabrication MethodEXTRUDED
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Outer Radius Where Left Flange Joins Base Flange0.032 INCHES NOMINAL IN
Second Tip Relationship to First TipIDENTICAL
Basic Shape StyleANGLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4730-00-203-6406JD7759 INTERCHANGEABLE
Fitting,lubrication
Deere & Company Dba Deere John Co
9540-00-251-1898 INTERCHANGEABLE
Angle,structural
5330-00-291-963118325 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
3020-00-683-98707443916P6 INTERCHANGEABLE
Gear,spur
General Dynamics Defense Systems Inc. Dba General Dynamics Advanced Information Systems
5950-00-841-193216448 INTERCHANGEABLE
Transformer,power
Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems
5305-00-941-3570MS35275-219 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5950-01-021-5339 INTERCHANGEABLE
Transformer,audio Frequency
3040-01-196-137516448 INTERCHANGEABLE
Piston,linear Actuating Cylinder
Leslie Controls, Inc. Dba Leslie Controls Inc
5950-01-399-4552T4041 INTERCHANGEABLE
Transformer,power
Tecal Manufacturing, L.l.c
5360-01-416-310116448 INTERCHANGEABLE
Spring,helical,compression
Spx Fluid Power
Cross-Reference Index
Part NumberManufacturer
AMS-QQ-A-200/11 Society of Automotive Engineers Inc (USA)
PA4235 Transtar Metals Corp (USA)
T4041 Howmet Corporation Dba Alcoa Howmet, Whitehall, Casting Operations (USA)
ASTM B221 American Society for Testing and Materials Dba Astm International (USA)
LS210-3 PRIMARY Lockheed Martin Corp (USA)
60-157 Transtar Metals Corp (USA)
12200 Aluminum Co of America (USA)
QQ-A-200/11 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
16448 Alcoa/reynolds Metals Company (USA)
AMS-QQ-A-200/11 Sae International Dba Sae International (USA)
Related Parts
4730-00-203-6406INTERCHANGEABLE
FITTING,LUBRICATION
JD7759
9540-00-251-1898INTERCHANGEABLE
ANGLE,STRUCTURAL
5330-00-291-9631INTERCHANGEABLE
SEAL,PLAIN ENCASED
18325
3020-00-683-9870INTERCHANGEABLE
GEAR,SPUR
7443916P6
5950-00-841-1932INTERCHANGEABLE
TRANSFORMER,POWER
16448
5305-00-941-3570INTERCHANGEABLE
SCREW,MACHINE
MS35275-219
5950-01-021-5339INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
3040-01-196-1375INTERCHANGEABLE
PISTON,LINEAR ACTUATING CYLINDER
16448
5950-01-399-4552INTERCHANGEABLE
TRANSFORMER,POWER
T4041
5360-01-416-3101INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
16448
6515-01-591-5874INTERCHANGEABLE
BLADE,BONE SAW,POWER
05.002.305S

Frequently Asked Questions

What is NSN 9540-00-555-3218?

NSN 9540-00-555-3218 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 9540-00-555-3218?

NSN 9540-00-555-3218 has 10 cross-referenced part numbers: AMS-QQ-A-200/11 (Society of Automotive Engineers Inc), PA4235 (Transtar Metals Corp), T4041 (Howmet Corporation Dba Alcoa Howmet, Whitehall, Casting Operations), ASTM B221 (American Society for Testing and Materials Dba Astm International), LS210-3 (Lockheed Martin Corp) and 5 more.

What NSN replaces 9540-00-555-3218?

There are 11 known substitutes for 9540-00-555-3218: 4730-00-203-6406, 9540-00-251-1898, 5330-00-291-9631 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of LS210-3?

Key specifications for LS210-3: Left Inside Angle: 90.0 DEGREES NOMINAL; Fillet Radius Where Left Flange Joins Base Flange: 0.125 INCHES NOMINAL IN; Left Side Flange Thickness: 0.125 INCHES NOMINAL IN; Material: ALUMINUM ALLOY 7075. 19 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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