PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

42494Beam,structural

International Light Metals Corp Sub of Martin Marietta Corp · NSN 9540-00-022-3195 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-022-3195 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-022-3195. Primary manufacturer part number: 42494.
Features
  • Beam,structural — FSC 9540
  • Right Top Inside Angle: 90.0 DEGREES NOMINAL
  • Top Flange Width: 2.350 INCHES NOMINAL IN
  • Left Side Top Flange Distance to Center of Both Flanges: 1.005 INCHES NOMINAL IN
  • Fillet Radius Where Top Left Flange Joins Web Flange/leg: 0.125 INCHES NOMINAL IN
  • Heat Treatment: T-6 SOLUTION HEAT TREATED
  • Material Document and Classification: AMS-Q-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE
  • Leg Thickness: 0.250 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Alloy 7075 construction
General Description

The Beam,structural, cataloged under National Stock Number 9540-00-022-3195, 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 International Light Metals Corp Sub of Martin Marietta 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9540-00-022-3195
Primary Part Number42494
Item NameBeam,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerInternational Light Metals Corp Sub of Martin Marietta Corp
StatusACTIVE
Right Top Inside Angle90.0 DEGREES NOMINAL
Top Flange Width2.350 INCHES NOMINAL IN
Left Side Top Flange Distance to Center of Both Flanges1.005 INCHES NOMINAL IN
Fillet Radius Where Top Left Flange Joins Web Flange/leg0.125 INCHES NOMINAL IN
Heat TreatmentT-6 SOLUTION HEAT TREATED
Material Document and ClassificationAMS-Q-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE
Leg Thickness0.250 INCHES NOMINAL IN
First Tip StyleSQUARE END
Left Top Inside Angle90.0 DEGREES NOMINAL
Weight Per Unit Measure0.850 POUNDS PER LINEAR FOOT LBS
Left Side Top Flange Thickness0.125 INCHES NOMINAL IN
Right Side Top Flange Thickness0.125 INCHES NOMINAL IN
Right Side Top Flange Distance to Center of Both Flanges1.345 INCHES NOMINAL IN
Fillet Radius Where Top Right Flange Joins Web Flange/leg0.125 INCHES NOMINAL IN
Third Tip Relationship to Preceding TipsIDENTICAL W/FIRST TIP
MaterialALUMINUM ALLOY 7075
Basic Shape StyleT SHAPE
Second Tip Relationship to First TipIDENTICAL
Nondefinitive Spec/std Data7075 ALLOY AND T6 TEMPER
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4310-01-065-067742494 INTERCHANGEABLE
Filter Element,intake Air Cleane
Wix Corp
5342-01-246-112012338558-1 INTERCHANGEABLE
Cap,filler Opening
U S Army Tank Automotive Command Amsta-Im-Mm
5995-01-468-731042-494 INTERCHANGEABLE
Cable Assembly,radio Frequency,b
Radioshack Corporation Dba Radioshack
Cross-Reference Index
Part NumberManufacturer
42494 International Light Metals Corp Sub of Martin Marietta Corp (USA)
AMS-QQ-A-200/11 Society of Automotive Engineers Inc (USA)
AMS-QQ-A-200/11 Sae International Dba Sae International (USA)
BAC1505-100511 The Boeing Company Div Defense (USA)
QQ-A-200/11 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
4310-01-065-0677INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
42494
5342-01-246-1120INTERCHANGEABLE
CAP,FILLER OPENING
12338558-1
5995-01-468-7310INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY,B
42-494

Frequently Asked Questions

What is NSN 9540-00-022-3195?

NSN 9540-00-022-3195 is a Beam,structural, manufactured by International Light Metals Corp Sub of Martin Marietta Corp, classified under FSC 9540 (No Item Name Available). Status: active.

What are the part numbers for NSN 9540-00-022-3195?

NSN 9540-00-022-3195 has 5 cross-referenced part numbers: 42494 (International Light Metals Corp Sub of Martin Marietta Corp), AMS-QQ-A-200/11 (Society of Automotive Engineers Inc), AMS-QQ-A-200/11 (Sae International Dba Sae International), BAC1505-100511 (The Boeing Company Div Defense), QQ-A-200/11 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 9540-00-022-3195?

There are 3 known substitutes for 9540-00-022-3195: 4310-01-065-0677, 5342-01-246-1120, 5995-01-468-7310. Verify interchangeability with system specifications before substitution.

What are the specifications of 42494?

Key specifications for 42494: Right Top Inside Angle: 90.0 DEGREES NOMINAL; Top Flange Width: 2.350 INCHES NOMINAL IN; Left Side Top Flange Distance to Center of Both Flanges: 1.005 INCHES NOMINAL IN; Overall Height: 1.750 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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