PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BAC1503-1591Angle,structural

The Boeing Company Div Defense · NSN 9540-00-145-4545 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-145-4545 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-145-4545. Primary manufacturer part number: BAC1503-1591.
Features
  • Angle,structural — FSC 9540
  • Left Side Flange Thickness: 0.062 INCHES NOMINAL IN
  • Base Flange Thickness: 0.062 INCHES NOMINAL IN
  • Nondefinitive Spec/std Data: 2024 ALLOY AND T3511 TEMPER
  • Material: ALUMINUM ALLOY 2024
  • Material Document and Classification: QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE
  • Basic Shape Style: ANGLE
  • Left Inside Angle: 90.0 DEGREES NOMINAL
Applications
  • Applications requiring Aluminum Alloy 2024 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-00-145-4545, 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 Defense. Government technical data includes 13 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9540-00-145-4545
Primary Part NumberBAC1503-1591
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerThe Boeing Company Div Defense
StatusACTIVE
Left Side Flange Thickness0.062 INCHES NOMINAL IN
Base Flange Thickness0.062 INCHES NOMINAL IN
Nondefinitive Spec/std Data2024 ALLOY AND T3511 TEMPER
MaterialALUMINUM ALLOY 2024
Material Document and ClassificationQQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE
Basic Shape StyleANGLE
Left Inside Angle90.0 DEGREES NOMINAL
Fillet Radius Where Left Flange Joins Base Flange0.125 INCHES NOMINAL IN
Weight Per Unit Measure0.170 POUNDS PER LINEAR FOOT LBS
Second Tip Relationship to First TipIDENTICAL
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Heat TreatmentT-3511 SOLUTION HEAT TREATED
First Tip StyleSQUARE END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3010-00-528-0809 INTERCHANGEABLE
Insert,flexible Coupling
9540-00-720-0647 INTERCHANGEABLE
Angle,structural
9540-00-805-7368 INTERCHANGEABLE
Structural Section,special Shape
4810-00-825-090622990 INTERCHANGEABLE
Valve,solenoid
Setra Systems, Inc. Dba Gems Sensors
9540-00-982-4891LS516 INTERCHANGEABLE
Angle,structural
Lockheed Martin Corp
4130-01-180-831022-990 INTERCHANGEABLE
Valve Plate,compressor
Thermo King Corporation Dba Phoenix Global Distirbution.
1005-01-354-9976 INTERCHANGEABLE
Stock,gun,shoulder
2945-01-589-538722990 INTERCHANGEABLE
Filter Element,fluid
Heli-Mart Inc
4210-01-593-553222990 INTERCHANGEABLE
Hose Assembly,nonmetallic
Apex Pinnacle Corp
6625-01-703-433622990 INTERCHANGEABLE
Test Set Subassembly,electrical
Simpson Electric Company, Inc.
Cross-Reference Index
Part NumberManufacturer
BAC1503-1591 The Boeing Company Div Defense (USA)
AMS-QQ-A-200/3 Society of Automotive Engineers Inc (USA)
QQ-A-200/3 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AMS-QQ-A-200/3 Sae International Dba Sae International (USA)
ASTM B221 American Society for Testing and Materials Dba Astm International (USA)
22990 Aluminum Co of America (USA)
LS516 Lockheed Martin Corp (USA)
Related Parts
3010-00-528-0809INTERCHANGEABLE
INSERT,FLEXIBLE COUPLING
9540-00-720-0647INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-00-805-7368INTERCHANGEABLE
STRUCTURAL SECTION,SPECIAL SHAPE
4810-00-825-0906INTERCHANGEABLE
VALVE,SOLENOID
22990
9540-00-982-4891INTERCHANGEABLE
ANGLE,STRUCTURAL
LS516
4130-01-180-8310INTERCHANGEABLE
VALVE PLATE,COMPRESSOR
22-990
1005-01-354-9976INTERCHANGEABLE
STOCK,GUN,SHOULDER
2945-01-589-5387INTERCHANGEABLE
FILTER ELEMENT,FLUID
22990
4210-01-593-5532INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
22990
6625-01-703-4336INTERCHANGEABLE
TEST SET SUBASSEMBLY,ELECTRICAL
22990

Frequently Asked Questions

What is NSN 9540-00-145-4545?

NSN 9540-00-145-4545 is a Angle,structural, manufactured by The Boeing Company Div Defense, classified under FSC 9540 (No Item Name Available). Status: active.

What are the part numbers for NSN 9540-00-145-4545?

NSN 9540-00-145-4545 has 7 cross-referenced part numbers: BAC1503-1591 (The Boeing Company Div Defense), AMS-QQ-A-200/3 (Society of Automotive Engineers Inc), QQ-A-200/3 (Federal Specifications Promulgated by General Services Administration Washington DC), AMS-QQ-A-200/3 (Sae International Dba Sae International), ASTM B221 (American Society for Testing and Materials Dba Astm International) and 2 more.

What NSN replaces 9540-00-145-4545?

There are 10 known substitutes for 9540-00-145-4545: 3010-00-528-0809, 9540-00-720-0647, 9540-00-805-7368 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BAC1503-1591?

Key specifications for BAC1503-1591: Left Side Flange Thickness: 0.062 INCHES NOMINAL IN; Overall Width: 1.500 INCHES NOMINAL IN; Base Flange Thickness: 0.062 INCHES NOMINAL IN; Nondefinitive Spec/std Data: 2024 ALLOY AND T3511 TEMPER. 15 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com