PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

67161Beam,structural

International Light Metals Corp Sub of Martin Marietta Corp · NSN 9540-01-071-3523 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-01-071-3523 — this item is cataloged by the U.S. Government under National Stock Number 9540-01-071-3523. Primary manufacturer part number: 67161.
Features
  • Beam,structural — FSC 9540
  • First Tip Style: SQUARE END
  • Left Side Top Flange Distance to Center of Both Flanges: 1.200 INCHES NOMINAL IN
  • Material: ALUMINUM ALLOY 2024
  • Third Tip Relationship to Preceding Tips: IDENTICAL W/FIRST TIP
  • Fillet Radius Where Top Right Flange Joins Web Flange/leg: 0.125 INCHES NOMINAL IN
  • Second Tip Relationship to First Tip: IDENTICAL
  • Right Top Inside Angle: 90.0 DEGREES NOMINAL
Applications
  • Applications requiring Aluminum Alloy 2024 construction
General Description

The Beam,structural, cataloged under National Stock Number 9540-01-071-3523, 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 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9540-01-071-3523
Primary Part Number67161
Item NameBeam,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerInternational Light Metals Corp Sub of Martin Marietta Corp
StatusACTIVE
First Tip StyleSQUARE END
Left Side Top Flange Distance to Center of Both Flanges1.200 INCHES NOMINAL IN
MaterialALUMINUM ALLOY 2024
Third Tip Relationship to Preceding TipsIDENTICAL W/FIRST TIP
Fillet Radius Where Top Right Flange Joins Web Flange/leg0.125 INCHES NOMINAL IN
Second Tip Relationship to First TipIDENTICAL
Right Top Inside Angle90.0 DEGREES NOMINAL
Fabrication MethodEXTRUDED
Material Document and ClassificationAMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE
Nondefinitive Spec/std DataT3511 TEMPER
Specification/standard Data81755-K40 MANUFACTURERS STANDARD
Left Side Top Flange Thickness0.072 INCHES NOMINAL IN
Left Top Inside Angle90.0 DEGREES NOMINAL
Fillet Radius Where Top Left Flange Joins Web Flange/leg0.125 INCHES NOMINAL IN
Basic Shape StyleT SHAPE
Right Side Top Flange Distance to Center of Both Flanges1.200 INCHES NOMINAL IN
Heat TreatmentT-3511 SOLUTION HEAT TREATED
Leg Thickness0.072 INCHES NOMINAL IN
Weight Per Unit Measure0.454 POUNDS PER LINEAR FOOT LBS
Right Side Top Flange Thickness0.072 INCHES NOMINAL IN
Top Flange Width2.400 INCHES NOMINAL IN
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4730-00-124-568711005A INTERCHANGEABLE
Plug,pipe
Brinkley Technology Group Llc Dba Hercules Manufacturing
2540-00-513-98067061286 INTERCHANGEABLE
Handle
U S Army Tank Automotive Command Amsta-Im-Mm
5950-00-678-0343BX-9655 INTERCHANGEABLE
Transformer,audio Frequency
Baltimore Transformer Co
9540-01-071-3522 INTERCHANGEABLE
Beam,structural
9540-01-071-3524 INTERCHANGEABLE
Beam,structural
5340-01-160-8128RK11005B INTERCHANGEABLE
Cover,access
Parker-Hannifin Corporation Dba Racor Division Div Racor Division
5930-01-167-9451671-6-1 INTERCHANGEABLE
Switch,push
Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch
5970-01-180-015367161 INTERCHANGEABLE
Insulation Sleeving,electrical
Unison Industries Llc
5110-01-500-9582 INTERCHANGEABLE
Pliers,diagonal Cutting
Cross-Reference Index
Part NumberManufacturer
67161 International Light Metals Corp Sub of Martin Marietta Corp (USA)
AMS-QQ-A-200/3 Sae International Dba Sae International (USA)
K40A37T3511 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
AMS-QQ-A-200/3 Society of Automotive Engineers Inc (USA)
QQ-A-200/3 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
11005-A Pimalco Inc. Div Alcoa Inc Global Hard Alloy Extrusions (USA)
60-14164 Transtar Metals Corp (USA)
9540PL0905357 Jednolity Indeks Materialowy - Uniform Material Index (POL)
MS14375E181 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
34994 Alcoa/reynolds Metals Company (USA)
Related Parts
4730-00-124-5687INTERCHANGEABLE
PLUG,PIPE
11005A
2540-00-513-9806INTERCHANGEABLE
HANDLE
7061286
5950-00-678-0343INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
BX-9655
9540-01-071-3522INTERCHANGEABLE
BEAM,STRUCTURAL
9540-01-071-3524INTERCHANGEABLE
BEAM,STRUCTURAL
5340-01-160-8128INTERCHANGEABLE
COVER,ACCESS
RK11005B
5930-01-167-9451INTERCHANGEABLE
SWITCH,PUSH
671-6-1
5970-01-180-0153INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
67161
5110-01-500-9582INTERCHANGEABLE
PLIERS,DIAGONAL CUTTING

Frequently Asked Questions

What is NSN 9540-01-071-3523?

NSN 9540-01-071-3523 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 9540-01-071-3523?

NSN 9540-01-071-3523 has 10 cross-referenced part numbers: 67161 (International Light Metals Corp Sub of Martin Marietta Corp), AMS-QQ-A-200/3 (Sae International Dba Sae International), K40A37T3511 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), AMS-QQ-A-200/3 (Society of Automotive Engineers Inc), QQ-A-200/3 (Federal Specifications Promulgated by General Services Administration Washington DC) and 5 more.

What NSN replaces 9540-01-071-3523?

There are 9 known substitutes for 9540-01-071-3523: 4730-00-124-5687, 2540-00-513-9806, 5950-00-678-0343 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 67161?

Key specifications for 67161: First Tip Style: SQUARE END; Left Side Top Flange Distance to Center of Both Flanges: 1.200 INCHES NOMINAL IN; Overall Height: 2.830 INCHES NOMINAL IN; Material: ALUMINUM ALLOY 2024. 23 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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