PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BAC1503-4283Angle,structural

The Boeing Company Div Legacy Wichita · NSN 9540-00-261-5112 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-261-5112 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-261-5112. Primary manufacturer part number: BAC1503-4283.
Features
  • Angle,structural — FSC 9540
  • Fabrication Method: EXTRUDED
  • Second Tip Style: UPPER RADIUS
  • Material: ALUMINUM ALLOY 7075
  • First Tip Radius: 0.125 INCHES NOMINAL IN
  • Second Tip Radius: 0.125 INCHES NOMINAL IN
  • Base Flange Thickness: 0.125 INCHES NOMINAL IN
  • Left Side Flange Thickness: 0.125 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Alloy 7075 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-00-261-5112, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 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
NSN9540-00-261-5112
Primary Part NumberBAC1503-4283
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerThe Boeing Company Div Legacy Wichita
StatusACTIVE
Fabrication MethodEXTRUDED
Second Tip StyleUPPER RADIUS
MaterialALUMINUM ALLOY 7075
First Tip Radius0.125 INCHES NOMINAL IN
Second Tip Radius0.125 INCHES NOMINAL IN
Base Flange Thickness0.125 INCHES NOMINAL IN
Left Side Flange Thickness0.125 INCHES NOMINAL IN
First Tip StyleRIGHT QUARTER RADIUS
Material Document and ClassificationAMS-Q-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE
Nondefinitive Spec/std DataT6 TEMPER
Fillet Radius Where Left Flange Joins Base Flange0.188 INCHES NOMINAL IN
Weight Per Unit Measure0.470 POUNDS PER LINEAR FOOT LBS
Heat TreatmentT-6 SOLUTION HEAT TREATED
Second Tip Relationship to First TipNOT IDENTICAL
Left Inside Angle90.0 DEGREES NOMINAL
Basic Shape StyleANGLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-018-04254086 INTERCHANGEABLE
Disk,valve
Circor Aerospace, Inc. Dba Circor Aerospace Inc
5120-00-221-796141H1504-350 INTERCHANGEABLE
Handle,socket Wrench
Marine Corps
3040-00-343-6621 INTERCHANGEABLE
Shaft,drive,flexible
5999-00-658-9654341004 INTERCHANGEABLE
Shielding Gasket,electronic
Lockheed Martin Corporation Div Rms - Mitchel Field
6210-00-783-77614086 INTERCHANGEABLE
Lens,light
L3harris Technologies, Inc. Div Space and Airborne Systems
5310-00-898-335311154443-2 INTERCHANGEABLE
Nut,plain,knurled
Us Army Aviation and Missile Command
5950-00-941-798111586607 INTERCHANGEABLE
Transformer,radio Frequency
U S Army Tank Automotive Command Amsta-Im-Mm
9540-00-975-2528 INTERCHANGEABLE
Angle,structural
4730-01-054-38364086 INTERCHANGEABLE
Elbow,pipe to Tube
Brinkley Technology Group Llc Dba Hercules Manufacturing
5930-01-296-66885191042-1 INTERCHANGEABLE
Boot,dust and Moisture Seal
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
BAC1503-4283 The Boeing Company Div Legacy Wichita (USA)
1391557 The Boeing Company (USA)
AMS10134-2003 Society of Automotive Engineers Inc (USA)
AND10134-2003 Airforce-Navy Aeronautical Design Standard
2-139 Lockheed Martin Corporation Div Rotary and Mission Systems (USA)
1199946 The Boeing Company (USA)
AMS10134-2003 Sae International Dba Sae International (USA)
QQ-A-200/11 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AMS-QQ-A-200/11 Society of Automotive Engineers Inc (USA)
1199946 The Boeing Company (USA)
LS3206-3 Lockheed Martin Corp (USA)
1391557 The Boeing Company (USA)
4086 Alcoa/reynolds Metals Company (USA)
734P Aluminum Co of America (USA)
AMS-QQ-A-200/11 Sae International Dba Sae International (USA)
Related Parts
4820-00-018-0425INTERCHANGEABLE
DISK,VALVE
4086
5120-00-221-7961INTERCHANGEABLE
HANDLE,SOCKET WRENCH
41H1504-350
3040-00-343-6621INTERCHANGEABLE
SHAFT,DRIVE,FLEXIBLE
5999-00-658-9654INTERCHANGEABLE
SHIELDING GASKET,ELECTRONIC
341004
6210-00-783-7761INTERCHANGEABLE
LENS,LIGHT
4086
5310-00-898-3353INTERCHANGEABLE
NUT,PLAIN,KNURLED
11154443-2
5950-00-941-7981INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
11586607
9540-00-975-2528INTERCHANGEABLE
ANGLE,STRUCTURAL
4730-01-054-3836INTERCHANGEABLE
ELBOW,PIPE TO TUBE
4086
5930-01-296-6688INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5191042-1
9540-01-299-7736INTERCHANGEABLE
ANGLE,STRUCTURAL
4730-01-324-5135INTERCHANGEABLE
NOZZLE,SPRAY,FLUID-EMULSION
4086

Frequently Asked Questions

What is NSN 9540-00-261-5112?

NSN 9540-00-261-5112 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 9540-00-261-5112?

NSN 9540-00-261-5112 has 15 cross-referenced part numbers: BAC1503-4283 (The Boeing Company Div Legacy Wichita), 1391557 (The Boeing Company), AMS10134-2003 (Society of Automotive Engineers Inc), AND10134-2003 (Airforce-Navy Aeronautical Design Standard), 2-139 (Lockheed Martin Corporation Div Rotary and Mission Systems) and 10 more.

What NSN replaces 9540-00-261-5112?

There are 12 known substitutes for 9540-00-261-5112: 4820-00-018-0425, 5120-00-221-7961, 3040-00-343-6621 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BAC1503-4283?

Key specifications for BAC1503-4283: Fabrication Method: EXTRUDED; Overall Height: 1.250 INCHES NOMINAL IN; Second Tip Style: UPPER RADIUS; Material: ALUMINUM ALLOY 7075. 18 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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