PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T3609Angle,structural

Howmet Corporation Dba Alcoa Howmet, Whitehall, Casting Operations · NSN 9540-00-422-1707 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-422-1707 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-422-1707. Primary manufacturer part number: T3609.
Features
  • Angle,structural — FSC 9540
  • First Tip Outer Radius: 0.045 INCHES NOMINAL IN
  • Material: ALUMINUM ALLOY 7075
  • Weight Per Unit Measure: 0.570 POUNDS PER LINEAR FOOT LBS
  • Base Flange Thickness: 0.125 INCHES NOMINAL IN
  • Second Tip Relationship to First Tip: IDENTICAL
  • Nondefinitive Spec/std Data: 7075 ALLOY AND T6 TEMPER
  • First Tip Style: SQUARE W/ INNER AND OUTER CORNER RADII
Applications
  • Applications requiring Aluminum Alloy 7075 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-00-422-1707, 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 Howmet Corporation Dba Alcoa Howmet, Whitehall, Casting Operations. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 9 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
NSN9540-00-422-1707
Primary Part NumberT3609
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerHowmet Corporation Dba Alcoa Howmet, Whitehall, Casting Operations
StatusACTIVE
First Tip Outer Radius0.045 INCHES NOMINAL IN
MaterialALUMINUM ALLOY 7075
Weight Per Unit Measure0.570 POUNDS PER LINEAR FOOT LBS
Base Flange Thickness0.125 INCHES NOMINAL IN
Second Tip Relationship to First TipIDENTICAL
Nondefinitive Spec/std Data7075 ALLOY AND T6 TEMPER
First Tip StyleSQUARE W/ INNER AND OUTER CORNER RADII
Heat TreatmentT-6511 SOLUTION HEAT TREATED OR T-6 SOLUTION HEAT TREATED
Fabrication MethodEXTRUDED
Material Document and ClassificationAMS-Q-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE
Outer Radius Where Left Flange Joins Base Flange0.045 INCHES NOMINAL IN
First Tip Inner Radius0.125 INCHES NOMINAL IN
Left Inside Angle90.0 DEGREES NOMINAL
Fillet Radius Where Left Flange Joins Base Flange0.125 INCHES NOMINAL IN
Basic Shape StyleANGLE
Left Side Flange Thickness0.125 INCHES NOMINAL IN
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
9540-00-145-8194 INTERCHANGEABLE
Angle,structural
8345-00-247-0379 INTERCHANGEABLE
Flag,national
8345-00-261-2949 INTERCHANGEABLE
Flag,national
5820-00-327-525731177 INTERCHANGEABLE
Lever and Roller Assembly
Pax Mfg Corp Hammarlund Mfg Co Div
5950-00-399-7541B2928-25 INTERCHANGEABLE
Coil,radio Frequency
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
8345-00-408-5273 INTERCHANGEABLE
Flag,national
5120-00-682-6339182697 INTERCHANGEABLE
Extractor,screw
Telemechanics Inc
5306-00-720-86016339 INTERCHANGEABLE
Bolt,machine
Sachs-Boge of America
5960-00-847-6739 INTERCHANGEABLE
Electron Tube
5330-00-923-02596339 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
Cross-Reference Index
Part NumberManufacturer
T3609 Howmet Corporation Dba Alcoa Howmet, Whitehall, Casting Operations (USA)
LS358-2 Lockheed Martin Corp (USA)
ASTM B221 American Society for Testing and Materials Dba Astm International (USA)
6339 Alcoa/reynolds Metals Company (USA)
QQ-A-200/11 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
31177 Aluminum Co of America (USA)
AMS-QQ-A-200/11 Society of Automotive Engineers Inc (USA)
PA1220 Transtar Metals Corp (USA)
AMS-QQ-A-200/11 Sae International Dba Sae International (USA)
Related Parts
9540-00-145-8194INTERCHANGEABLE
ANGLE,STRUCTURAL
8345-00-247-0379INTERCHANGEABLE
FLAG,NATIONAL
8345-00-261-2949INTERCHANGEABLE
FLAG,NATIONAL
5820-00-327-5257INTERCHANGEABLE
LEVER AND ROLLER ASSEMBLY
31177
5950-00-399-7541INTERCHANGEABLE
COIL,RADIO FREQUENCY
B2928-25
8345-00-408-5273INTERCHANGEABLE
FLAG,NATIONAL
5120-00-682-6339INTERCHANGEABLE
EXTRACTOR,SCREW
182697
5306-00-720-8601INTERCHANGEABLE
BOLT,MACHINE
6339
5960-00-847-6739INTERCHANGEABLE
ELECTRON TUBE
5330-00-923-0259INTERCHANGEABLE
SEAL,PLAIN ENCASED
6339
5331-00-975-4188INTERCHANGEABLE
O-RING
6530-01-301-4171INTERCHANGEABLE
PAD,BED LINEN PROTECTIVE

Frequently Asked Questions

What is NSN 9540-00-422-1707?

NSN 9540-00-422-1707 is a Angle,structural, manufactured by Howmet Corporation Dba Alcoa Howmet, Whitehall, Casting Operations, classified under FSC 9540 (No Item Name Available). Status: active.

What are the part numbers for NSN 9540-00-422-1707?

NSN 9540-00-422-1707 has 9 cross-referenced part numbers: T3609 (Howmet Corporation Dba Alcoa Howmet, Whitehall, Casting Operations), LS358-2 (Lockheed Martin Corp), ASTM B221 (American Society for Testing and Materials Dba Astm International), 6339 (Alcoa/reynolds Metals Company), QQ-A-200/11 (Federal Specifications Promulgated by General Services Administration Washington DC) and 4 more.

What NSN replaces 9540-00-422-1707?

There are 12 known substitutes for 9540-00-422-1707: 9540-00-145-8194, 8345-00-247-0379, 8345-00-261-2949 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T3609?

Key specifications for T3609: First Tip Outer Radius: 0.045 INCHES NOMINAL IN; Material: ALUMINUM ALLOY 7075; Overall Height: 1.750 INCHES NOMINAL IN; Weight Per Unit Measure: 0.570 POUNDS PER LINEAR FOOT LBS. 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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