PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

77WAngle,structural

Aluminum Co of America · NSN 9540-00-197-9845 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-197-9845 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-197-9845. Primary manufacturer part number: 77W.
Features
  • Angle,structural — FSC 9540
  • Left Side Flange Thickness: 0.250 INCHES NOMINAL IN
  • First Tip Style: RIGHT QUARTER RADIUS
  • Second Tip Style: UPPER RADIUS
  • Second Tip Radius: 0.125 INCHES NOMINAL IN
  • Left Side Flange Thickness: 0.250 INCHES NOMINAL IN
  • Material Document and Classification: AMS-QQ-A-200/8 FED SPEC SINGLE MATERIAL RESPONSE
  • Material: ALUMINUM ALLOY 6061
Applications
  • Applications requiring Aluminum Alloy 6061 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-00-197-9845, 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 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 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
NSN9540-00-197-9845
Primary Part Number77W
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerAluminum Co of America
StatusACTIVE
Left Side Flange Thickness0.250 INCHES NOMINAL IN
First Tip StyleRIGHT QUARTER RADIUS
Second Tip StyleUPPER RADIUS
Second Tip Radius0.125 INCHES NOMINAL IN
Left Side Flange Thickness0.250 INCHES NOMINAL IN
Material Document and ClassificationAMS-QQ-A-200/8 FED SPEC SINGLE MATERIAL RESPONSE
MaterialALUMINUM ALLOY 6061
First Tip Radius0.125 INCHES NOMINAL IN
Heat TreatmentT-6 SOLUTION HEAT TREATED
Base Flange Thickness0.250 INCHES NOMINAL IN
Weight Per Unit Measure0.980 POUNDS PER LINEAR FOOT LBS
Length20.000 FEET MINIMUM AND 30.000 FEET MAXIMUM FT
Base Flange Thickness0.250 INCHES NOMINAL IN
First Tip Radius0.125 INCHES NOMINAL IN
Second Tip Relationship to First TipNOT IDENTICAL
Second Tip StyleUPPER RADIUS
Nondefinitive Spec/std Data6061 ALLOY AND T6 TEMPER
Fabrication MethodEXTRUDED
Weight Per Unit Measure0.980 POUNDS PER LINEAR FOOT LBS
Fillet Radius Where Left Flange Joins Base Flange0.188 INCHES NOMINAL IN
Fillet Radius Where Left Flange Joins Base Flange0.188 INCHES NOMINAL IN
Heat TreatmentT-6 SOLUTION HEAT TREATED
Left Inside Angle90.0 DEGREES NOMINAL
First Tip StyleRIGHT QUARTER RADIUS
Basic Shape StyleANGLE
Material Document and ClassificationAMS-QQ-A-200/8 FED SPEC SINGLE MATERIAL RESPONSE
MaterialALUMINUM ALLOY 6061
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
9540-00-119-9008 INTERCHANGEABLE
Angle,structural
9540-00-145-842377W INTERCHANGEABLE
Angle,structural
Aluminum Co of America
9540-00-542-2704 INTERCHANGEABLE
Angle,structural
Cross-Reference Index
Part NumberManufacturer
77W Aluminum Co of America (USA)
QQ-A-200/8 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AMS-QQ-A-200/8 Society of Automotive Engineers Inc (USA)
SAE-AMS-QQ-A-200/8 Sae International Dba Sae International (USA)
AMS-QQ-A-200/8 Sae International Dba Sae International (USA)
ASTM B221 American Society for Testing and Materials Dba Astm International (USA)
Related Parts
9540-00-119-9008INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-00-145-8423INTERCHANGEABLE
ANGLE,STRUCTURAL
77W
9540-00-542-2704INTERCHANGEABLE
ANGLE,STRUCTURAL

Frequently Asked Questions

What is NSN 9540-00-197-9845?

NSN 9540-00-197-9845 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 9540-00-197-9845?

NSN 9540-00-197-9845 has 6 cross-referenced part numbers: 77W (Aluminum Co of America), QQ-A-200/8 (Federal Specifications Promulgated by General Services Administration Washington DC), AMS-QQ-A-200/8 (Society of Automotive Engineers Inc), SAE-AMS-QQ-A-200/8 (Sae International Dba Sae International), AMS-QQ-A-200/8 (Sae International Dba Sae International) and 1 more.

What NSN replaces 9540-00-197-9845?

There are 3 known substitutes for 9540-00-197-9845: 9540-00-119-9008, 9540-00-145-8423, 9540-00-542-2704. Verify interchangeability with system specifications before substitution.

What are the specifications of 77W?

Key specifications for 77W: Left Side Flange Thickness: 0.250 INCHES NOMINAL IN; First Tip Style: RIGHT QUARTER RADIUS; Second Tip Style: UPPER RADIUS; Overall Width: 1.750 INCHES NOMINAL IN. 30 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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