PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1205311Angle,structural

The Boeing Company · NSN 9540-00-637-3262 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-637-3262 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-637-3262. Primary manufacturer part number: 1205311.
Features
  • Angle,structural — FSC 9540
  • Material: ALUMINUM ALLOY 2024
  • Weight Per Unit Measure: 0.680 POUNDS PER LINEAR FOOT LBS
  • Left Inside Angle: 90.0 DEGREES NOMINAL
  • Fabrication Method: EXTRUDED
  • Heat Treatment: T-4 SOLUTION HEAT TREATED
  • Material Document and Classification: AMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE
  • Second Tip Relationship to First Tip: NOT IDENTICAL
Applications
  • Applications requiring Aluminum Alloy 2024 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-00-637-3262, 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 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: Active.

Technical Specifications
ParameterValue
NSN9540-00-637-3262
Primary Part Number1205311
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerThe Boeing Company
StatusACTIVE
MaterialALUMINUM ALLOY 2024
Weight Per Unit Measure0.680 POUNDS PER LINEAR FOOT LBS
Left Inside Angle90.0 DEGREES NOMINAL
Fabrication MethodEXTRUDED
Heat TreatmentT-4 SOLUTION HEAT TREATED
Material Document and ClassificationAMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE
Second Tip Relationship to First TipNOT IDENTICAL
Second Tip StyleUPPER RADIUS
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Second Tip Radius0.188 INCHES NOMINAL IN
Basic Shape StyleANGLE
First Tip StyleRIGHT QUARTER RADIUS
Nondefinitive Spec/std Data2024 ALLOY AND T4 TEMPER
Fillet Radius Where Left Flange Joins Base Flange0.188 INCHES NOMINAL IN
First Tip Radius0.188 INCHES NOMINAL IN
Left Side Flange Thickness0.188 INCHES NOMINAL IN
Base Flange Thickness0.188 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4720-00-137-1739213-16 INTERCHANGEABLE
Hose,nonmetallic
Parker-Hannifin Corporation Dba Pneutronics Div Hose Products Division
9540-00-145-8455 INTERCHANGEABLE
Angle,structural
4320-00-167-9472WT-34571W INTERCHANGEABLE
Piston,pump
Eaton Aerospace, Llc Dba Jackson South
6110-00-635-757934-571 INTERCHANGEABLE
Switching Unit,power Transfer
Asco Power Technologies, L..p.
7690-01-226-47833457-1 INTERCHANGEABLE
Decal
Raytheon Company
9540-01-281-7233 INTERCHANGEABLE
Angle,structural
2530-01-347-7054 INTERCHANGEABLE
Chamber,air Brake
4730-01-348-058621316 INTERCHANGEABLE
Coupling,hose
National Oil Well Dba Iec Baylor
6130-01-394-0111120531-1 INTERCHANGEABLE
Power Supply Subassembly
Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit
2590-01-417-9384 INTERCHANGEABLE
Filler Neck,vehicular Components
Cross-Reference Index
Part NumberManufacturer
1205311 The Boeing Company (USA)
1205311 The Boeing Company (USA)
ASTM B221 American Society for Testing and Materials Dba Astm International (USA)
34571 Aluminum Co of America (USA)
AND10134-2005 Airforce-Navy Aeronautical Design Standard
QQ-A-200/3 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
2-1316 Lockheed Martin Corporation Div Rotary and Mission Systems (USA)
AMS-QQ-A-200/3 Society of Automotive Engineers Inc (USA)
AMS-QQ-A-200/3 Sae International Dba Sae International (USA)
Related Parts
4720-00-137-1739INTERCHANGEABLE
HOSE,NONMETALLIC
213-16
9540-00-145-8455INTERCHANGEABLE
ANGLE,STRUCTURAL
4320-00-167-9472INTERCHANGEABLE
PISTON,PUMP
WT-34571W
6110-00-635-7579INTERCHANGEABLE
SWITCHING UNIT,POWER TRANSFER
34-571
7690-01-226-4783INTERCHANGEABLE
DECAL
3457-1
9540-01-281-7233INTERCHANGEABLE
ANGLE,STRUCTURAL
2530-01-347-7054INTERCHANGEABLE
CHAMBER,AIR BRAKE
4730-01-348-0586INTERCHANGEABLE
COUPLING,HOSE
21316
6130-01-394-0111INTERCHANGEABLE
POWER SUPPLY SUBASSEMBLY
120531-1
2590-01-417-9384INTERCHANGEABLE
FILLER NECK,VEHICULAR COMPONENTS
4320-01-418-7035INTERCHANGEABLE
RING AND PINS,BALAN
0021316-000
5360-01-440-7623INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION

Frequently Asked Questions

What is NSN 9540-00-637-3262?

NSN 9540-00-637-3262 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 9540-00-637-3262?

NSN 9540-00-637-3262 has 9 cross-referenced part numbers: 1205311 (The Boeing Company), 1205311 (The Boeing Company), ASTM B221 (American Society for Testing and Materials Dba Astm International), 34571 (Aluminum Co of America), AND10134-2005 (Airforce-Navy Aeronautical Design Standard) and 4 more.

What NSN replaces 9540-00-637-3262?

There are 12 known substitutes for 9540-00-637-3262: 4720-00-137-1739, 9540-00-145-8455, 4320-00-167-9472 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1205311?

Key specifications for 1205311: Material: ALUMINUM ALLOY 2024; Weight Per Unit Measure: 0.680 POUNDS PER LINEAR FOOT LBS; Left Inside Angle: 90.0 DEGREES NOMINAL; Fabrication Method: EXTRUDED. 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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