PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ASTM B221Angle,structural

American Society for Testing and Materials Dba Astm International · NSN 9540-00-263-0691 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-263-0691 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-263-0691. Primary manufacturer part number: ASTM B221.
Features
  • Angle,structural — FSC 9540
  • Basic Shape Style: ANGLE
  • Weight Per Unit Measure: 0.430 POUNDS PER LINEAR FOOT LBS
  • Left Inside Angle: 90.0 DEGREES NOMINAL
  • Left Side Flange Thickness: 0.125 INCHES NOMINAL IN
  • Second Tip Relationship to First Tip: IDENTICAL
  • Material: ALUMINUM ALLOY 6063
  • First Tip Style: SQUARE END
Applications
  • Applications requiring Aluminum Alloy 6063 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-00-263-0691, 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 American Society for Testing and Materials Dba Astm International. Government technical data includes 13 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN9540-00-263-0691
Primary Part NumberASTM B221
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerAmerican Society for Testing and Materials Dba Astm International
StatusCANCELLED
Basic Shape StyleANGLE
Weight Per Unit Measure0.430 POUNDS PER LINEAR FOOT LBS
Left Inside Angle90.0 DEGREES NOMINAL
Left Side Flange Thickness0.125 INCHES NOMINAL IN
Second Tip Relationship to First TipIDENTICAL
MaterialALUMINUM ALLOY 6063
First Tip StyleSQUARE END
Material Document and ClassificationAMS-QQ-A-200/9 FED SPEC SINGLE MATERIAL RESPONSE
Fabrication MethodEXTRUDED
Nondefinitive Spec/std Data6063 ALLOY AND T5 TEMPER
Heat TreatmentT-5 SOLUTION HEAT TREATED
Length16.000 FEET NOMINAL FT
Base Flange Thickness0.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5315-00-010-86583B5316 INTERCHANGEABLE
Pin,cotter
Caterpillar Inc Div Caterpillar Defense
5950-00-087-4038792-402952 INTERCHANGEABLE
Transformer,power
Viasys Respiratory Care Inc. Dba Biosys Healthcare
5330-00-141-490914560A INTERCHANGEABLE
Gasket
Brinkley Technology Group Llc Dba Hercules Manufacturing
4730-00-278-457568-4-4 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Brass Craft Mfg Co Sub of Masco Corp
8335-01-345-44716844 INTERCHANGEABLE
Insoles,footwear
Alimed, Inc. Dba Alimed Inc
4730-01-377-74136844 INTERCHANGEABLE
Clamp,hose
Epicor Industries Inc Ideal Div
4820-01-443-1916684-4 INTERCHANGEABLE
Valve,pneumatic Tank
Milton Industries, Inc
4330-01-572-4778 INTERCHANGEABLE
Pneumatic Muffler,exhaust-Intake
Cross-Reference Index
Part NumberManufacturer
ASTM B221 American Society for Testing and Materials Dba Astm International (USA)
AMS-QQ-A-200/9 Sae International Dba Sae International (USA)
6844 Aluminum Co of America (USA)
QQ-A-200/9 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AMS-QQ-A-200/9 Society of Automotive Engineers Inc (USA)
Related Parts
5315-00-010-8658INTERCHANGEABLE
PIN,COTTER
3B5316
5950-00-087-4038INTERCHANGEABLE
TRANSFORMER,POWER
792-402952
5330-00-141-4909INTERCHANGEABLE
GASKET
14560A
4730-00-278-4575INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
68-4-4
8335-01-345-4471INTERCHANGEABLE
INSOLES,FOOTWEAR
6844
4730-01-377-7413INTERCHANGEABLE
CLAMP,HOSE
6844
4820-01-443-1916INTERCHANGEABLE
VALVE,PNEUMATIC TANK
684-4
4330-01-572-4778INTERCHANGEABLE
PNEUMATIC MUFFLER,EXHAUST-INTAKE

Frequently Asked Questions

What is NSN 9540-00-263-0691?

NSN 9540-00-263-0691 is a Angle,structural, manufactured by American Society for Testing and Materials Dba Astm International, classified under FSC 9540 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 9540-00-263-0691?

NSN 9540-00-263-0691 has 5 cross-referenced part numbers: ASTM B221 (American Society for Testing and Materials Dba Astm International), AMS-QQ-A-200/9 (Sae International Dba Sae International), 6844 (Aluminum Co of America), QQ-A-200/9 (Federal Specifications Promulgated by General Services Administration Washington DC), AMS-QQ-A-200/9 (Society of Automotive Engineers Inc).

What NSN replaces 9540-00-263-0691?

There are 8 known substitutes for 9540-00-263-0691: 5315-00-010-8658, 5950-00-087-4038, 5330-00-141-4909 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ASTM B221?

Key specifications for ASTM B221: Basic Shape Style: ANGLE; Overall Height: 1.000 INCHES NOMINAL IN; Weight Per Unit Measure: 0.430 POUNDS PER LINEAR FOOT LBS; Left Inside Angle: 90.0 DEGREES NOMINAL. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 9540-00-263-0691 still in active supply?

NSN 9540-00-263-0691 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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