PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LS4672Beam,structural

Lockheed Martin Corp · NSN 9540-00-595-8497 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-595-8497 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-595-8497. Primary manufacturer part number: LS4672.
Features
  • Beam,structural — FSC 9540
  • Weight Per Unit Measure: 1.069 POUNDS PER LINEAR FOOT LBS
  • Length: 0.339 FEET NOMINAL FT
  • First Tip Outer Radius: 0.031 INCHES NOMINAL IN
  • Left Side Top Flange Thickness: 0.188 INCHES NOMINAL IN
  • Right Top Inside Angle: 102.0 DEGREES NOMINAL
  • Fabrication Method: EXTRUDED
  • Material: ALUMINUM ALLOY 7075
Applications
  • Applications requiring Aluminum Alloy 7075 construction
General Description

The Beam,structural, cataloged under National Stock Number 9540-00-595-8497, 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 23 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9540-00-595-8497
Primary Part NumberLS4672
Item NameBeam,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Weight Per Unit Measure1.069 POUNDS PER LINEAR FOOT LBS
Length0.339 FEET NOMINAL FT
First Tip Outer Radius0.031 INCHES NOMINAL IN
Left Side Top Flange Thickness0.188 INCHES NOMINAL IN
Right Top Inside Angle102.0 DEGREES NOMINAL
Fabrication MethodEXTRUDED
MaterialALUMINUM ALLOY 7075
Leg Thickness0.125 INCHES NOMINAL IN
First Tip Inner Radius0.031 INCHES NOMINAL IN
Fillet Radius Where Top Left Flange Joins Web Flange/leg0.125 INCHES NOMINAL IN
First Tip StyleSQUARE W/ INNER AND OUTER CORNER RADII
Third Tip Relationship to Preceding TipsIDENTICAL W/FIRST TIP
Material Document and ClassificationAMS-Q-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE
Specification/standard Data81348-QQ-A-277 GOVERNMENT SPECIFICATION
Nondefinitive Spec/std Data7075 ALLOY AND T6 TEMPER
Basic Shape StyleT SHAPE
Second Tip Relationship to First TipIDENTICAL
Left Side Top Flange Distance to Center of Both Flanges1.001 INCHES NOMINAL IN
Top Flange Width2.080 INCHES NOMINAL IN
Right Side Top Flange Distance to Center of Both Flanges1.079 INCHES NOMINAL IN
Fillet Radius Where Top Right Flange Joins Web Flange/leg0.125 INCHES NOMINAL IN
Left Top Inside Angle77.0 DEGREES NOMINAL
Right Side Top Flange Thickness0.188 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
9540-00-167-2706 INTERCHANGEABLE
Channel,structural
9540-00-226-0369 INTERCHANGEABLE
Beam,structural
9540-00-234-0598 INTERCHANGEABLE
Angle,structural
9540-00-234-0633 INTERCHANGEABLE
Channel,structural
9540-00-261-5279 INTERCHANGEABLE
Structural Section,special Shape
9540-00-528-8819 INTERCHANGEABLE
Beam,structural
9540-00-528-9346E711310XRAND INTERCHANGEABLE
Beam,structural
Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company
9540-00-529-9672 INTERCHANGEABLE
Beam,structural
9540-00-540-594110133-0701 INTERCHANGEABLE
Angle,structural
Transtar Metals Corp
9540-00-580-6228 INTERCHANGEABLE
Beam,structural
Cross-Reference Index
Part NumberManufacturer
72673 Aluminum Co of America (USA)
AMS-QQ-A-200/11 Society of Automotive Engineers Inc (USA)
AMS-QQ-A-200/11 Sae International Dba Sae International (USA)
QQ-A-277 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
LS4672 PRIMARY Lockheed Martin Corp (USA)
Related Parts
9540-00-167-2706INTERCHANGEABLE
CHANNEL,STRUCTURAL
9540-00-226-0369INTERCHANGEABLE
BEAM,STRUCTURAL
9540-00-234-0598INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-00-234-0633INTERCHANGEABLE
CHANNEL,STRUCTURAL
9540-00-261-5279INTERCHANGEABLE
STRUCTURAL SECTION,SPECIAL SHAPE
9540-00-528-8819INTERCHANGEABLE
BEAM,STRUCTURAL
9540-00-528-9346INTERCHANGEABLE
BEAM,STRUCTURAL
E711310XRAND
9540-00-529-9672INTERCHANGEABLE
BEAM,STRUCTURAL
9540-00-540-5941INTERCHANGEABLE
ANGLE,STRUCTURAL
10133-0701
9540-00-580-6228INTERCHANGEABLE
BEAM,STRUCTURAL
9540-00-596-3123INTERCHANGEABLE
BEAM,STRUCTURAL
9540-00-637-3268INTERCHANGEABLE
ANGLE,STRUCTURAL

Frequently Asked Questions

What is NSN 9540-00-595-8497?

NSN 9540-00-595-8497 is a Beam,structural, manufactured by Lockheed Martin Corp, classified under FSC 9540 (No Item Name Available). Status: active.

What are the part numbers for NSN 9540-00-595-8497?

NSN 9540-00-595-8497 has 5 cross-referenced part numbers: 72673 (Aluminum Co of America), AMS-QQ-A-200/11 (Society of Automotive Engineers Inc), AMS-QQ-A-200/11 (Sae International Dba Sae International), QQ-A-277 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), LS4672 (Lockheed Martin Corp).

What NSN replaces 9540-00-595-8497?

There are 12 known substitutes for 9540-00-595-8497: 9540-00-167-2706, 9540-00-226-0369, 9540-00-234-0598 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of LS4672?

Key specifications for LS4672: Weight Per Unit Measure: 1.069 POUNDS PER LINEAR FOOT LBS; Length: 0.339 FEET NOMINAL FT; First Tip Outer Radius: 0.031 INCHES NOMINAL IN; Left Side Top Flange Thickness: 0.188 INCHES NOMINAL IN. 24 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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