PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BAC1503-11256Angle,structural

The Boeing Company Div Defense · NSN 9540-00-542-2720 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-542-2720 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-542-2720. Primary manufacturer part number: BAC1503-11256.
Features
  • Angle,structural — FSC 9540
  • Material: ALUMINUM ALLOY 5086
  • Base Flange Thickness: 0.250 INCHES NOMINAL IN
  • Fabrication Method: EXTRUDED
  • Left Inside Angle: 90.0 DEGREES NOMINAL
  • Second Tip Style: UPPER RADIUS
  • First Tip Radius: 0.250 INCHES NOMINAL IN
  • Length: 20.000 FEET MINIMUM AND 30.000 FEET MAXIMUM FT
Applications
  • Applications requiring Aluminum Alloy 5086 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-00-542-2720, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 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
NSN9540-00-542-2720
Primary Part NumberBAC1503-11256
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerThe Boeing Company Div Defense
StatusACTIVE
MaterialALUMINUM ALLOY 5086
Base Flange Thickness0.250 INCHES NOMINAL IN
Fabrication MethodEXTRUDED
Left Inside Angle90.0 DEGREES NOMINAL
Second Tip StyleUPPER RADIUS
First Tip Radius0.250 INCHES NOMINAL IN
Length20.000 FEET MINIMUM AND 30.000 FEET MAXIMUM FT
Second Tip Radius0.250 INCHES NOMINAL IN
Second Tip Relationship to First TipNOT IDENTICAL
Heat TreatmentH-111 STRAIN HARDENED
Nondefinitive Spec/std Data5086 ALLOY AND H111 TEMPER
First Tip StyleRIGHT QUARTER RADIUS
Weight Per Unit Measure1.570 POUNDS PER LINEAR FOOT LBS
Material Document and ClassificationAMS-QQ-A-200/5 FED SPEC SINGLE MATERIAL RESPONSE
Left Side Flange Thickness0.250 INCHES NOMINAL IN
Fillet Radius Where Left Flange Joins Base Flange0.312 INCHES NOMINAL IN
Basic Shape StyleANGLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
9390-00-057-7360 INTERCHANGEABLE
Sheeting,reflective
5930-00-132-836812093 INTERCHANGEABLE
Switch,push
Kalmar AC Inc
9540-00-250-1055 INTERCHANGEABLE
Angle,structural
3120-00-383-8557 INTERCHANGEABLE
Bearing,sleeve
5306-00-424-555634-37 INTERCHANGEABLE
Bolt,machine
Dresser Industries Inc Leroi Div
2520-00-425-70877349485 INTERCHANGEABLE
Pin
U S Army Tank Automotive Command Amsta-Im-Mm
5315-00-663-0008 INTERCHANGEABLE
Pin,drive,power Actuated
5930-00-937-1531SM-D-700882 INTERCHANGEABLE
Switch,lever
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5340-01-256-3207 INTERCHANGEABLE
Fastener,pawl
6610-01-532-417334-3-7 INTERCHANGEABLE
Altimeter,pressure
United Instruments Inc.
Cross-Reference Index
Part NumberManufacturer
BAC1503-11256 The Boeing Company Div Defense (USA)
734J Aluminum Co of America (USA)
ASTM B221 American Society for Testing and Materials Dba Astm International (USA)
QQ-A-200/5 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AMS-QQ-A-200/5 Sae International Dba Sae International (USA)
HA12 Kaiser Aluminum and Chemical Corp (USA)
3437 Alcoa/reynolds Metals Company (USA)
AMS-QQ-A-200/5 Society of Automotive Engineers Inc (USA)
Related Parts
9390-00-057-7360INTERCHANGEABLE
SHEETING,REFLECTIVE
5930-00-132-8368INTERCHANGEABLE
SWITCH,PUSH
12093
9540-00-250-1055INTERCHANGEABLE
ANGLE,STRUCTURAL
3120-00-383-8557INTERCHANGEABLE
BEARING,SLEEVE
5306-00-424-5556INTERCHANGEABLE
BOLT,MACHINE
34-37
2520-00-425-7087INTERCHANGEABLE
PIN
7349485
5315-00-663-0008INTERCHANGEABLE
PIN,DRIVE,POWER ACTUATED
5930-00-937-1531INTERCHANGEABLE
SWITCH,LEVER
SM-D-700882
5340-01-256-3207INTERCHANGEABLE
FASTENER,PAWL
6610-01-532-4173INTERCHANGEABLE
ALTIMETER,PRESSURE
34-3-7
6640-01-597-6382INTERCHANGEABLE
MORTAR AND PESTLE
5320-01-602-8494INTERCHANGEABLE
PIN-RIVET
3437

Frequently Asked Questions

What is NSN 9540-00-542-2720?

NSN 9540-00-542-2720 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 9540-00-542-2720?

NSN 9540-00-542-2720 has 8 cross-referenced part numbers: BAC1503-11256 (The Boeing Company Div Defense), 734J (Aluminum Co of America), ASTM B221 (American Society for Testing and Materials Dba Astm International), QQ-A-200/5 (Federal Specifications Promulgated by General Services Administration Washington DC), AMS-QQ-A-200/5 (Sae International Dba Sae International) and 3 more.

What NSN replaces 9540-00-542-2720?

There are 12 known substitutes for 9540-00-542-2720: 9390-00-057-7360, 5930-00-132-8368, 9540-00-250-1055 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BAC1503-11256?

Key specifications for BAC1503-11256: Material: ALUMINUM ALLOY 5086; Base Flange Thickness: 0.250 INCHES NOMINAL IN; Fabrication Method: EXTRUDED; Overall Width: 3.000 INCHES NOMINAL IN. 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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