PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ASTM B221Angle,structural

American Society for Testing and Materials Dba Astm International · NSN 9540-00-542-2702 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-542-2702 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-542-2702. Primary manufacturer part number: ASTM B221.
Features
  • Angle,structural — FSC 9540
  • First Tip Radius: 0.125 INCHES NOMINAL IN
  • Second Tip Radius: 0.125 INCHES NOMINAL IN
  • Left Side Flange Thickness: 0.250 INCHES NOMINAL IN
  • Weight Per Unit Measure: 0.830 POUNDS PER LINEAR FOOT LBS
  • First Tip Style: RIGHT QUARTER RADIUS
  • Material: ALUMINUM ALLOY 5086
  • Basic Shape Style: ANGLE
Applications
  • Applications requiring Aluminum Alloy 5086 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-00-542-2702, 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 7 commercial cross-references from 7 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
NSN9540-00-542-2702
Primary Part NumberASTM B221
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerAmerican Society for Testing and Materials Dba Astm International
StatusACTIVE
First Tip Radius0.125 INCHES NOMINAL IN
Second Tip Radius0.125 INCHES NOMINAL IN
Left Side Flange Thickness0.250 INCHES NOMINAL IN
Weight Per Unit Measure0.830 POUNDS PER LINEAR FOOT LBS
First Tip StyleRIGHT QUARTER RADIUS
MaterialALUMINUM ALLOY 5086
Basic Shape StyleANGLE
Left Inside Angle90.0 DEGREES NOMINAL
Second Tip StyleUPPER RADIUS
Fabrication MethodEXTRUDED
Nondefinitive Spec/std Data5086 ALLOY AND H111 TEMPER
Material Document and ClassificationAMS-QQ-A-200/5 FED SPEC SINGLE MATERIAL RESPONSE
Base Flange Thickness0.250 INCHES NOMINAL IN
Length20.000 FEET MINIMUM AND 30.000 FEET MAXIMUM FT
Second Tip Relationship to First TipNOT IDENTICAL
Heat TreatmentH-111 STRAIN HARDENED
Fillet Radius Where Left Flange Joins Base Flange0.188 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-151-1681 INTERCHANGEABLE
Screw,machine
9540-00-277-6270 INTERCHANGEABLE
Angle,structural
9540-00-288-3735 INTERCHANGEABLE
Angle,structural
5330-00-297-643843-909 INTERCHANGEABLE
Seal,plain Encased
Federal-Mogul Corp Government Sales Dept
5915-00-315-3557 INTERCHANGEABLE
Network,impedance Matching
5360-00-350-631644142 INTERCHANGEABLE
Spring,helical,compression
Dresser, Llc
5360-00-351-4917 INTERCHANGEABLE
Spring,helical,torsion
6550-00-394-45626077 INTERCHANGEABLE
Test Pack,cocaine Detection
Becton Dickinson and Co Ivers Lee Div Becton Dickinson Public Safety
6150-00-451-14036077 INTERCHANGEABLE
Jumper Cable,battery
Associated Equipment Corporation Dba Associated Equipment Corp
3110-00-554-3485 INTERCHANGEABLE
Bearing,ball,thrust
Cross-Reference Index
Part NumberManufacturer
ASTM B221 American Society for Testing and Materials Dba Astm International (USA)
60-77 Transtar Metals Corp (USA)
2055 Alcoa/reynolds Metals Company (USA)
QQ-A-200/5 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
77D Aluminum Co of America (USA)
AMS-QQ-A-200/5 Society of Automotive Engineers Inc (USA)
AMS-QQ-A-200/5 Sae International Dba Sae International (USA)
Related Parts
5305-00-151-1681INTERCHANGEABLE
SCREW,MACHINE
9540-00-277-6270INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-00-288-3735INTERCHANGEABLE
ANGLE,STRUCTURAL
5330-00-297-6438INTERCHANGEABLE
SEAL,PLAIN ENCASED
43-909
5915-00-315-3557INTERCHANGEABLE
NETWORK,IMPEDANCE MATCHING
5360-00-350-6316INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
44142
5360-00-351-4917INTERCHANGEABLE
SPRING,HELICAL,TORSION
6550-00-394-4562INTERCHANGEABLE
TEST PACK,COCAINE DETECTION
6077
6150-00-451-1403INTERCHANGEABLE
JUMPER CABLE,BATTERY
6077
3110-00-554-3485INTERCHANGEABLE
BEARING,BALL,THRUST
5360-00-597-0291INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
141-9
1450-00-771-7536INTERCHANGEABLE
TRUCK,GUIDED MISSILE BODY SECTIO
6077

Frequently Asked Questions

What is NSN 9540-00-542-2702?

NSN 9540-00-542-2702 is a Angle,structural, manufactured by American Society for Testing and Materials Dba Astm International, classified under FSC 9540 (No Item Name Available). Status: active.

What are the part numbers for NSN 9540-00-542-2702?

NSN 9540-00-542-2702 has 7 cross-referenced part numbers: ASTM B221 (American Society for Testing and Materials Dba Astm International), 60-77 (Transtar Metals Corp), 2055 (Alcoa/reynolds Metals Company), QQ-A-200/5 (Federal Specifications Promulgated by General Services Administration Washington DC), 77D (Aluminum Co of America) and 2 more.

What NSN replaces 9540-00-542-2702?

There are 12 known substitutes for 9540-00-542-2702: 5305-00-151-1681, 9540-00-277-6270, 9540-00-288-3735 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ASTM B221?

Key specifications for ASTM B221: First Tip Radius: 0.125 INCHES NOMINAL IN; Overall Height: 1.500 INCHES NOMINAL IN; Second Tip Radius: 0.125 INCHES NOMINAL IN; Left Side Flange Thickness: 0.250 INCHES NOMINAL IN. 19 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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