PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1291253Angle,structural

The Boeing Company · NSN 9540-00-528-4764 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-528-4764 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-528-4764. Primary manufacturer part number: 1291253.
Features
  • Angle,structural — FSC 9540
  • Outer Radius Where Left Flange Joins Base Flange: 0.062 INCHES NOMINAL IN
  • Fabrication Method: EXTRUDED
  • Left Inside Angle: 90.0 DEGREES NOMINAL
  • Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
  • Material: ALUMINUM ALLOY 7075
  • First Tip Outer Radius: 0.062 INCHES NOMINAL IN
  • Material Document and Classification: AMS-Q-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE
Applications
  • Applications requiring Aluminum Alloy 7075 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-00-528-4764, 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 The Boeing Company. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 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
NSN9540-00-528-4764
Primary Part Number1291253
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerThe Boeing Company
StatusACTIVE
Outer Radius Where Left Flange Joins Base Flange0.062 INCHES NOMINAL IN
Fabrication MethodEXTRUDED
Left Inside Angle90.0 DEGREES NOMINAL
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
MaterialALUMINUM ALLOY 7075
First Tip Outer Radius0.062 INCHES NOMINAL IN
Material Document and ClassificationAMS-Q-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE
Second Tip Relationship to First TipIDENTICAL
Nondefinitive Spec/std Data7075 ALLOY AND T6 TEMPER
Weight Per Unit Measure0.520 POUNDS PER LINEAR FOOT LBS
Base Flange Thickness0.150 INCHES NOMINAL IN
First Tip StyleSQUARE W/ INNER AND OUTER CORNER RADII
Heat TreatmentT-6 SOLUTION HEAT TREATED
Basic Shape StyleANGLE
First Tip Inner Radius0.062 INCHES NOMINAL IN
Left Side Flange Thickness0.150 INCHES NOMINAL IN
Fillet Radius Where Left Flange Joins Base Flange0.188 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
7530-00-926-89787530-00-926-8978 INTERCHANGEABLE
Folder,file
National Industries for the Blind
5935-01-216-36135170-0 INTERCHANGEABLE
Plug,tip
Fluke Electronics Corp
5330-01-511-835744980 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
Cross-Reference Index
Part NumberManufacturer
1291253 The Boeing Company (USA)
QQ-A-200/11 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
1291253 The Boeing Company (USA)
ASTM B221 American Society for Testing and Materials Dba Astm International (USA)
DIE 60-16226 Transtar Metals Corp (USA)
44980 Aluminum Co of America (USA)
AMS-QQ-A-200/11 Society of Automotive Engineers Inc (USA)
AMS-QQ-A-200/11 Sae International Dba Sae International (USA)
Related Parts
7530-00-926-8978INTERCHANGEABLE
FOLDER,FILE
7530-00-926-8978
5935-01-216-3613INTERCHANGEABLE
PLUG,TIP
5170-0
5330-01-511-8357INTERCHANGEABLE
SEAL,PLAIN ENCASED
44980

Frequently Asked Questions

What is NSN 9540-00-528-4764?

NSN 9540-00-528-4764 is a Angle,structural, manufactured by The Boeing Company, classified under FSC 9540 (No Item Name Available). Status: active.

What are the part numbers for NSN 9540-00-528-4764?

NSN 9540-00-528-4764 has 8 cross-referenced part numbers: 1291253 (The Boeing Company), QQ-A-200/11 (Federal Specifications Promulgated by General Services Administration Washington DC), 1291253 (The Boeing Company), ASTM B221 (American Society for Testing and Materials Dba Astm International), DIE 60-16226 (Transtar Metals Corp) and 3 more.

What NSN replaces 9540-00-528-4764?

There are 3 known substitutes for 9540-00-528-4764: 7530-00-926-8978, 5935-01-216-3613, 5330-01-511-8357. Verify interchangeability with system specifications before substitution.

What are the specifications of 1291253?

Key specifications for 1291253: Outer Radius Where Left Flange Joins Base Flange: 0.062 INCHES NOMINAL IN; Fabrication Method: EXTRUDED; Left Inside Angle: 90.0 DEGREES NOMINAL; Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT. 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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