PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

203075Angle,structural

Aluminum Co of America · NSN 9540-00-434-1685 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-434-1685 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-434-1685. Primary manufacturer part number: 203075.
Features
  • Angle,structural — FSC 9540
  • Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
  • First Tip Style: SQUARE END
  • Material: ALUMINUM ALLOY 7075
  • Second Tip Relationship to First Tip: IDENTICAL
  • Left Side Flange Thickness: 0.040 INCHES NOMINAL IN
  • Weight Per Unit Measure: 0.083 POUNDS PER LINEAR FOOT LBS
  • Base Flange Thickness: 0.040 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Alloy 7075 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-00-434-1685, 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 Aluminum Co of America. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 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
NSN9540-00-434-1685
Primary Part Number203075
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerAluminum Co of America
StatusACTIVE
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
First Tip StyleSQUARE END
MaterialALUMINUM ALLOY 7075
Second Tip Relationship to First TipIDENTICAL
Left Side Flange Thickness0.040 INCHES NOMINAL IN
Weight Per Unit Measure0.083 POUNDS PER LINEAR FOOT LBS
Base Flange Thickness0.040 INCHES NOMINAL IN
Basic Shape StyleANGLE
Fillet Radius Where Left Flange Joins Base Flange0.063 INCHES NOMINAL IN
Nondefinitive Spec/std Data7075 ALLOY AND T0 TEMPER
Material Document and ClassificationAMS-Q-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE
Left Inside Angle90.0 DEGREES NOMINAL
Fabrication MethodEXTRUDED
Heat TreatmentO-ANNEALED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-057333472 INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
2810-00-147-5590 INTERCHANGEABLE
Pipe
5975-00-212-6244 INTERCHANGEABLE
Ring,electrical Bonding
5330-00-237-3603 INTERCHANGEABLE
Seal,plain Encased
9540-00-251-3102LS3728 INTERCHANGEABLE
Angle,structural
Lockheed Martin Corp
3020-00-266-7677 INTERCHANGEABLE
Sprocket Wheel
2990-00-269-812318264 INTERCHANGEABLE
Pipe,exhaust
Hoist Liftruck Mfg Inc
5950-00-435-9917 INTERCHANGEABLE
Transformer,power
5330-00-534-2937032077TYPEA INTERCHANGEABLE
Seal,plain
Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems
5315-00-616-5515103904 INTERCHANGEABLE
Key,woodruff
Rolls-Royce Solutions America Inc
Cross-Reference Index
Part NumberManufacturer
203075 Aluminum Co of America (USA)
LS3728-2 Lockheed Martin Corp (USA)
60-2447 Transtar Metals Corp (USA)
BAC1503-1508 The Boeing Company Div Defense (USA)
22509 Aluminum Co of America (USA)
18264 Alcoa/reynolds Metals Company (USA)
AMS-QQ-A-200/11 Society of Automotive Engineers Inc (USA)
AMS-QQ-A-200/11 Sae International Dba Sae International (USA)
ASTM B221 American Society for Testing and Materials Dba Astm International (USA)
18924 International Light Metals Corp Sub of Martin Marietta Corp (USA)
QQ-A-200/11 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
13762 International Light Metals Corp Sub of Martin Marietta Corp (USA)
PA5582 Transtar Metals Corp (USA)
Related Parts
3110-00-100-0573INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
33472
2810-00-147-5590INTERCHANGEABLE
PIPE
5975-00-212-6244INTERCHANGEABLE
RING,ELECTRICAL BONDING
5330-00-237-3603INTERCHANGEABLE
SEAL,PLAIN ENCASED
9540-00-251-3102INTERCHANGEABLE
ANGLE,STRUCTURAL
LS3728
3020-00-266-7677INTERCHANGEABLE
SPROCKET WHEEL
2990-00-269-8123INTERCHANGEABLE
PIPE,EXHAUST
18264
5950-00-435-9917INTERCHANGEABLE
TRANSFORMER,POWER
5330-00-534-2937INTERCHANGEABLE
SEAL,PLAIN
032077TYPEA
5315-00-616-5515INTERCHANGEABLE
KEY,WOODRUFF
103904
9540-00-616-7313INTERCHANGEABLE
ANGLE,STRUCTURAL
4710-00-821-4288INTERCHANGEABLE
TUBE,VENT

Frequently Asked Questions

What is NSN 9540-00-434-1685?

NSN 9540-00-434-1685 is a Angle,structural, manufactured by Aluminum Co of America, classified under FSC 9540 (No Item Name Available). Status: active.

What are the part numbers for NSN 9540-00-434-1685?

NSN 9540-00-434-1685 has 13 cross-referenced part numbers: 203075 (Aluminum Co of America), LS3728-2 (Lockheed Martin Corp), 60-2447 (Transtar Metals Corp), BAC1503-1508 (The Boeing Company Div Defense), 22509 (Aluminum Co of America) and 8 more.

What NSN replaces 9540-00-434-1685?

There are 12 known substitutes for 9540-00-434-1685: 3110-00-100-0573, 2810-00-147-5590, 5975-00-212-6244 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 203075?

Key specifications for 203075: Overall Width: 1.000 INCHES NOMINAL IN; Overall Height: 0.750 INCHES NOMINAL IN; Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT; 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.
PartsTable Design LLC · partstable.com