PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BAC1503-449Angle,structural

The Boeing Company Div Legacy Wichita · NSN 9540-00-251-2647 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-251-2647 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-251-2647. Primary manufacturer part number: BAC1503-449.
Features
  • Angle,structural — FSC 9540
  • Material: ALUMINUM ALLOY 2024
  • Second Tip Relationship to First Tip: IDENTICAL
  • Left Side Flange Thickness: 0.040 INCHES NOMINAL IN
  • First Tip Style: SQUARE END
  • Fillet Radius Where Left Flange Joins Base Flange: 0.094 INCHES NOMINAL IN
  • Base Flange Thickness: 0.040 INCHES NOMINAL IN
  • Fabrication Method: EXTRUDED
Applications
  • Applications requiring Aluminum Alloy 2024 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-00-251-2647, 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 Div Legacy Wichita. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 10 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
NSN9540-00-251-2647
Primary Part NumberBAC1503-449
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerThe Boeing Company Div Legacy Wichita
StatusACTIVE
MaterialALUMINUM ALLOY 2024
Second Tip Relationship to First TipIDENTICAL
Left Side Flange Thickness0.040 INCHES NOMINAL IN
First Tip StyleSQUARE END
Fillet Radius Where Left Flange Joins Base Flange0.094 INCHES NOMINAL IN
Base Flange Thickness0.040 INCHES NOMINAL IN
Fabrication MethodEXTRUDED
Nondefinitive Spec/std Data2024 ALLOY AND T3511 TEMPER
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Heat TreatmentT-3511 SOLUTION HEAT TREATED
Material Document and ClassificationAMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE
Left Inside Angle90.0 DEGREES NOMINAL
Weight Per Unit Measure0.050 POUNDS PER LINEAR FOOT LBS
Basic Shape StyleANGLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-178-46270S507 INTERCHANGEABLE
Seal,plain Encased
Hoist Liftruck Mfg Inc
3020-00-231-87230P431 INTERCHANGEABLE
Link,roller Chain
Blaw-Knox Construction Equipment Co Div of White Consolidated Industries Inc
5995-00-270-71098848 INTERCHANGEABLE
Cable Assembly,printed,flexible
Thomas and Betts Corp Electronics Group
5330-00-365-97378848 INTERCHANGEABLE
Gasket
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
5998-00-437-8089136555 INTERCHANGEABLE
Circuit Card Assembly
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
1560-00-646-722260-4879 INTERCHANGEABLE
Bracket,strap Oil Tank
The Boeing Company Div Defense
2805-00-682-8023 INTERCHANGEABLE
Valve,poppet,engine
5960-01-014-0669 INTERCHANGEABLE
Electron Tube
5340-01-067-7188 INTERCHANGEABLE
Standoff,threaded,spacing
1720-01-102-5204106A514 INTERCHANGEABLE
Detent Test Kit
Varo Llc
Cross-Reference Index
Part NumberManufacturer
BAC1503-449 The Boeing Company Div Legacy Wichita (USA)
ASTM B221 American Society for Testing and Materials Dba Astm International (USA)
PA5510 Transtar Metals Corp (USA)
QQ-A-200/3 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
8848 Aluminum Co of America (USA)
1M137 The Boeing Company Div Defense (USA)
136555 The Boeing Company (USA)
HA134 Kaiser Aluminum and Chemical Corp (USA)
136555 The Boeing Company (USA)
60-4879 Transtar Metals Corp (USA)
AMS-QQ-A-200/3 Sae International Dba Sae International (USA)
AMS-QQ-A-200/3 Society of Automotive Engineers Inc (USA)
Related Parts
5330-00-178-4627INTERCHANGEABLE
SEAL,PLAIN ENCASED
0S507
3020-00-231-8723INTERCHANGEABLE
LINK,ROLLER CHAIN
0P431
5995-00-270-7109INTERCHANGEABLE
CABLE ASSEMBLY,PRINTED,FLEXIBLE
8848
5330-00-365-9737INTERCHANGEABLE
GASKET
8848
5998-00-437-8089INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
136555
1560-00-646-7222INTERCHANGEABLE
BRACKET,STRAP OIL TANK
60-4879
2805-00-682-8023INTERCHANGEABLE
VALVE,POPPET,ENGINE
5960-01-014-0669INTERCHANGEABLE
ELECTRON TUBE
5340-01-067-7188INTERCHANGEABLE
STANDOFF,THREADED,SPACING
1720-01-102-5204INTERCHANGEABLE
DETENT TEST KIT
106A514
6760-01-224-8989INTERCHANGEABLE
SHADE,PHOTOGRAPHIC LENS
4930-01-232-8436INTERCHANGEABLE
LUBRICATOR
8848

Frequently Asked Questions

What is NSN 9540-00-251-2647?

NSN 9540-00-251-2647 is a Angle,structural, manufactured by The Boeing Company Div Legacy Wichita, classified under FSC 9540 (No Item Name Available). Status: active.

What are the part numbers for NSN 9540-00-251-2647?

NSN 9540-00-251-2647 has 12 cross-referenced part numbers: BAC1503-449 (The Boeing Company Div Legacy Wichita), ASTM B221 (American Society for Testing and Materials Dba Astm International), PA5510 (Transtar Metals Corp), QQ-A-200/3 (Federal Specifications Promulgated by General Services Administration Washington DC), 8848 (Aluminum Co of America) and 7 more.

What NSN replaces 9540-00-251-2647?

There are 12 known substitutes for 9540-00-251-2647: 5330-00-178-4627, 3020-00-231-8723, 5995-00-270-7109 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BAC1503-449?

Key specifications for BAC1503-449: Material: ALUMINUM ALLOY 2024; Second Tip Relationship to First Tip: IDENTICAL; Left Side Flange Thickness: 0.040 INCHES NOMINAL IN; First Tip Style: SQUARE END. 16 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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