PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ASTM B221Angle,structural

American Society for Testing and Materials Dba Astm International · NSN 9540-00-805-5988 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-805-5988 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-805-5988. Primary manufacturer part number: ASTM B221.
Features
  • Angle,structural — FSC 9540
  • Weight Per Unit Measure: 0.260 POUNDS PER LINEAR FOOT LBS
  • First Tip Inner Radius: 0.031 INCHES NOMINAL IN
  • Fillet Radius Where Left Flange Joins Base Flange: 0.125 INCHES NOMINAL IN
  • Second Tip Relationship to First Tip: IDENTICAL
  • Material: ALUMINUM ALLOY 7075
  • Base Flange Thickness: 0.080 INCHES NOMINAL IN
  • Heat Treatment: T-6 SOLUTION HEAT TREATED
Applications
  • Applications requiring Aluminum Alloy 7075 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-00-805-5988, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN9540-00-805-5988
Primary Part NumberASTM B221
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerAmerican Society for Testing and Materials Dba Astm International
StatusCANCELLED
Weight Per Unit Measure0.260 POUNDS PER LINEAR FOOT LBS
First Tip Inner Radius0.031 INCHES NOMINAL IN
Fillet Radius Where Left Flange Joins Base Flange0.125 INCHES NOMINAL IN
Second Tip Relationship to First TipIDENTICAL
MaterialALUMINUM ALLOY 7075
Base Flange Thickness0.080 INCHES NOMINAL IN
Heat TreatmentT-6 SOLUTION HEAT TREATED
First Tip Outer Radius0.031 INCHES NOMINAL IN
Outer Radius Where Left Flange Joins Base Flange0.031 INCHES NOMINAL IN
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Nondefinitive Spec/std Data7075 ALLOY AND T6 TEMPER
Material Document and ClassificationAMS-Q-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE
Basic Shape StyleANGLE
First Tip StyleSQUARE W/ INNER AND OUTER CORNER RADII
Left Inside Angle90.0 DEGREES NOMINAL
Fabrication MethodEXTRUDED
Left Side Flange Thickness0.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5935-00-103-7672VB8-1PA11-45 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
3455-00-194-052310230 INTERCHANGEABLE
Cutter,milling,plain
Niagara Cutter Inc
4730-00-194-9097 INTERCHANGEABLE
Chuck Clip
3030-00-253-831917355 INTERCHANGEABLE
Belt,v
Muviq Usa, Llc
5330-00-300-2076 INTERCHANGEABLE
Seal,plain Encased
2530-00-359-1055F19341 INTERCHANGEABLE
Parts Kit,hydraulic Brake Wheel
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
4720-00-463-3796604275 INTERCHANGEABLE
Hose,preformed
Miller Electric Mfg. Llc
5950-00-863-2102 INTERCHANGEABLE
Reactor
3455-01-042-0892 INTERCHANGEABLE
File,rotary
5998-01-232-749517355 INTERCHANGEABLE
Circuit Card Assembly
U S Dept of Transportation Federal Aviation Administration
Cross-Reference Index
Part NumberManufacturer
ASTM B221 American Society for Testing and Materials Dba Astm International (USA)
AMS-QQ-A-200/11 Society of Automotive Engineers Inc (USA)
QQ-A-200/11 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
60-4275 Transtar Metals Corp (USA)
PA1145 Transtar Metals Corp (USA)
17355 International Light Metals Corp Sub of Martin Marietta Corp (USA)
LS4101 Lockheed Martin Corp (USA)
32613 Alcoa/reynolds Metals Company (USA)
AMS-QQ-A-200/11 Sae International Dba Sae International (USA)
Related Parts
5935-00-103-7672INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
VB8-1PA11-45
3455-00-194-0523INTERCHANGEABLE
CUTTER,MILLING,PLAIN
10230
4730-00-194-9097INTERCHANGEABLE
CHUCK CLIP
3030-00-253-8319INTERCHANGEABLE
BELT,V
17355
5330-00-300-2076INTERCHANGEABLE
SEAL,PLAIN ENCASED
2530-00-359-1055INTERCHANGEABLE
PARTS KIT,HYDRAULIC BRAKE WHEEL
F19341
4720-00-463-3796INTERCHANGEABLE
HOSE,PREFORMED
604275
5950-00-863-2102INTERCHANGEABLE
REACTOR
3455-01-042-0892INTERCHANGEABLE
FILE,ROTARY
5998-01-232-7495INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
17355
2520-01-233-1770INTERCHANGEABLE
SHIFTER FORK,VEHICULAR
32613
2510-01-307-6881INTERCHANGEABLE
SHOCK ABSORBER,DIRECT ACTION
17355

Frequently Asked Questions

What is NSN 9540-00-805-5988?

NSN 9540-00-805-5988 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 9540-00-805-5988?

NSN 9540-00-805-5988 has 9 cross-referenced part numbers: ASTM B221 (American Society for Testing and Materials Dba Astm International), AMS-QQ-A-200/11 (Society of Automotive Engineers Inc), QQ-A-200/11 (Federal Specifications Promulgated by General Services Administration Washington DC), 60-4275 (Transtar Metals Corp), PA1145 (Transtar Metals Corp) and 4 more.

What NSN replaces 9540-00-805-5988?

There are 12 known substitutes for 9540-00-805-5988: 5935-00-103-7672, 3455-00-194-0523, 4730-00-194-9097 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ASTM B221?

Key specifications for ASTM B221: Weight Per Unit Measure: 0.260 POUNDS PER LINEAR FOOT LBS; First Tip Inner Radius: 0.031 INCHES NOMINAL IN; Fillet Radius Where Left Flange Joins Base Flange: 0.125 INCHES NOMINAL IN; Second Tip Relationship to First Tip: IDENTICAL. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 9540-00-805-5988 still in active supply?

NSN 9540-00-805-5988 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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