PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6494Angle,structural

Aluminum Co of America · NSN 9540-00-145-5771 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-145-5771 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-145-5771. Primary manufacturer part number: 6494.
Features
  • Angle,structural — FSC 9540
  • Fillet Radius Where Left Flange Joins Base Flange: 0.125 INCHES NOMINAL IN
  • Base Flange Thickness: 0.064 INCHES NOMINAL IN
  • Basic Shape Style: ANGLE
  • Heat Treatment: T-6 SOLUTION HEAT TREATED
  • Weight Per Unit Measure: 0.220 POUNDS PER LINEAR FOOT LBS
  • Material: ALUMINUM ALLOY 7075
  • Left Side Flange Thickness: 0.064 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Alloy 7075 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-00-145-5771, 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 Aluminum Co of America. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 12 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
NSN9540-00-145-5771
Primary Part Number6494
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerAluminum Co of America
StatusACTIVE
Fillet Radius Where Left Flange Joins Base Flange0.125 INCHES NOMINAL IN
Base Flange Thickness0.064 INCHES NOMINAL IN
Basic Shape StyleANGLE
Heat TreatmentT-6 SOLUTION HEAT TREATED
Weight Per Unit Measure0.220 POUNDS PER LINEAR FOOT LBS
MaterialALUMINUM ALLOY 7075
Left Side Flange Thickness0.064 INCHES NOMINAL IN
Nondefinitive Spec/std Data7075 ALLOY AND T6 TEMPER
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
First Tip StyleSQUARE END
Left Inside Angle90.0 DEGREES NOMINAL
Material Document and ClassificationAMS-Q-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE
Second Tip Relationship to First TipIDENTICAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-033-25252-158 INTERCHANGEABLE
Screw,machine
Unison Industries Llc
5962-00-086-7484 INTERCHANGEABLE
Microcircuit,digital
3110-00-120-3106142929H INTERCHANGEABLE
Bearing,roller,needle
Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/
3110-00-151-9559EE117063 ASSY 90015 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
4820-00-287-2581 INTERCHANGEABLE
Valve,angle
5999-00-295-62312158 INTERCHANGEABLE
Clamp,electrical
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5360-00-298-3188 INTERCHANGEABLE
Spring,helical,compression
3415-00-407-1424 INTERCHANGEABLE
Grinding Machine,centerless,exte
5985-00-427-521620-2649 INTERCHANGEABLE
Coupler,rotary,radio Frequency
Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc
3120-00-580-3075 INTERCHANGEABLE
Bearing,sleeve
Cross-Reference Index
Part NumberManufacturer
6494 Aluminum Co of America (USA)
E121208 Bae Systems Technology Solutions & Services Inc. (USA)
BAC1503-3471 The Boeing Company Div Legacy Wichita (USA)
AMS-QQ-A-200/11 Society of Automotive Engineers Inc (USA)
E121208 Hughes Missile Systems Co San Diego (USA)
E121208 General Dynamics Corp Convair Div Lindbergh Field Facility (USA)
AMS4154 Sae International Dba Sae International (USA)
QQ-A-200/11 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
2-158 Lockheed Martin Corporation Div Rotary and Mission Systems (USA)
AMS-QQ-A-200/11 Sae International Dba Sae International (USA)
50E3-12 Lockheed Martin Corporation Dba Lockheed Martin Rotary and Mission Systems Div Rms- C6isr (USA)
E121208 Tracor Flight Systems Inc Sub of Tracor Inc (USA)
LS3255 Lockheed Martin Corp (USA)
Related Parts
5305-00-033-2525INTERCHANGEABLE
SCREW,MACHINE
2-158
5962-00-086-7484INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
3110-00-120-3106INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
142929H
3110-00-151-9559INTERCHANGEABLE
BEARING,ROLLER,TAPERED
EE117063 ASSY 90015
4820-00-287-2581INTERCHANGEABLE
VALVE,ANGLE
5999-00-295-6231INTERCHANGEABLE
CLAMP,ELECTRICAL
2158
5360-00-298-3188INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
3415-00-407-1424INTERCHANGEABLE
GRINDING MACHINE,CENTERLESS,EXTE
5985-00-427-5216INTERCHANGEABLE
COUPLER,ROTARY,RADIO FREQUENCY
20-2649
3120-00-580-3075INTERCHANGEABLE
BEARING,SLEEVE
5310-00-582-9852INTERCHANGEABLE
WASHER,SHOULDERED
10015465-013
2805-00-740-1375INTERCHANGEABLE
STRAINER,OIL PUMP
630396

Frequently Asked Questions

What is NSN 9540-00-145-5771?

NSN 9540-00-145-5771 is a Angle,structural, manufactured by Aluminum Co of America, classified under FSC 9540 (No Item Name Available). Status: active.

What are the part numbers for NSN 9540-00-145-5771?

NSN 9540-00-145-5771 has 13 cross-referenced part numbers: 6494 (Aluminum Co of America), E121208 (Bae Systems Technology Solutions & Services Inc.), BAC1503-3471 (The Boeing Company Div Legacy Wichita), AMS-QQ-A-200/11 (Society of Automotive Engineers Inc), E121208 (Hughes Missile Systems Co San Diego) and 8 more.

What NSN replaces 9540-00-145-5771?

There are 12 known substitutes for 9540-00-145-5771: 5305-00-033-2525, 5962-00-086-7484, 3110-00-120-3106 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6494?

Key specifications for 6494: Fillet Radius Where Left Flange Joins Base Flange: 0.125 INCHES NOMINAL IN; Base Flange Thickness: 0.064 INCHES NOMINAL IN; Basic Shape Style: ANGLE; Heat Treatment: T-6 SOLUTION HEAT TREATED. 15 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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