PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

QQA277Channel,structural

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 9540-00-234-0633 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-234-0633 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-234-0633. Primary manufacturer part number: QQA277.
Features
  • Channel,structural — FSC 9540
  • Right Side Flange Thickness: 0.094 INCHES NOMINAL IN
  • Fillet Radius Where Left Flange Joins Base Flange: 0.125 INCHES NOMINAL IN
  • Left Side Flange Thickness: 0.094 INCHES NOMINAL IN
  • Second Tip Relationship to First Tip: IDENTICAL
  • Left Side Flange Height: 0.625 INCHES NOMINAL IN
  • Material: ALUMINUM ALLOY 7075
  • Fabrication Method: EXTRUDED
Applications
  • Applications requiring Aluminum Alloy 7075 construction
General Description

The Channel,structural, cataloged under National Stock Number 9540-00-234-0633, 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 Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN9540-00-234-0633
Primary Part NumberQQA277
Item NameChannel,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Right Side Flange Thickness0.094 INCHES NOMINAL IN
Fillet Radius Where Left Flange Joins Base Flange0.125 INCHES NOMINAL IN
Left Side Flange Thickness0.094 INCHES NOMINAL IN
Second Tip Relationship to First TipIDENTICAL
Left Side Flange Height0.625 INCHES NOMINAL IN
MaterialALUMINUM ALLOY 7075
Fabrication MethodEXTRUDED
Nondefinitive Spec/std DataT6 TEMPER
Left Inside Angle90.0 DEGREES NOMINAL
Right Inside Angle90.0 DEGREES NOMINAL
Weight Per Unit Measure0.264 POUNDS PER LINEAR FOOT LBS
Basic Shape StyleCHANNEL
Fillet Radius Where Right Flange Joins Base Flange0.125 INCHES NOMINAL IN
Base Flange Thickness0.094 INCHES NOMINAL IN
Test Data Document81352-AND10137-1201 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
First Tip StyleRIGHT QUARTER RADIUS
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Right Side Flange Height0.625 INCHES NOMINAL IN
First Tip Radius0.094 INCHES NOMINAL IN
Heat TreatmentT-6 SOLUTION HEAT TREATED AND ARTIFICALLY AGED
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
9540-00-261-5279 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
9540-00-595-8497LS4672 INTERCHANGEABLE
Beam,structural
Lockheed Martin Corp
Cross-Reference Index
Part NumberManufacturer
QQA277 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AND10137-1201 Airforce-Navy Aeronautical Design Standard
Related Parts
9540-00-167-2706INTERCHANGEABLE
CHANNEL,STRUCTURAL
9540-00-226-0369INTERCHANGEABLE
BEAM,STRUCTURAL
9540-00-234-0598INTERCHANGEABLE
ANGLE,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
9540-00-595-8497INTERCHANGEABLE
BEAM,STRUCTURAL
LS4672
9540-00-596-3123INTERCHANGEABLE
BEAM,STRUCTURAL
9540-00-637-3268INTERCHANGEABLE
ANGLE,STRUCTURAL

Frequently Asked Questions

What is NSN 9540-00-234-0633?

NSN 9540-00-234-0633 is a Channel,structural, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 9540 (No Item Name Available). Status: active.

What are the part numbers for NSN 9540-00-234-0633?

NSN 9540-00-234-0633 has 2 cross-referenced part numbers: QQA277 (Federal Specifications Promulgated by General Services Administration Washington DC), AND10137-1201 (Airforce-Navy Aeronautical Design Standard).

What NSN replaces 9540-00-234-0633?

There are 12 known substitutes for 9540-00-234-0633: 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 QQA277?

Key specifications for QQA277: Right Side Flange Thickness: 0.094 INCHES NOMINAL IN; Fillet Radius Where Left Flange Joins Base Flange: 0.125 INCHES NOMINAL IN; Left Side Flange Thickness: 0.094 INCHES NOMINAL IN; Second Tip Relationship to First Tip: IDENTICAL. 21 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com