PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

734-31Angle,structural

Aluminum Co of America · NSN 9540-00-542-2729 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-542-2729 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-542-2729. Primary manufacturer part number: 734-31.
Features
  • Angle,structural — FSC 9540
  • Second Tip Relationship to First Tip: NOT IDENTICAL
  • Base Flange Thickness: 0.250 INCHES NOMINAL IN
  • Heat Treatment: H-111 STRAIN HARDENED
  • Material: ALUMINUM ALLOY 5086
  • Length: 20.000 FEET MINIMUM AND 30.000 FEET MAXIMUM FT
  • Basic Shape Style: ANGLE
  • Left Inside Angle: 90.0 DEGREES NOMINAL
Applications
  • Applications requiring Aluminum Alloy 5086 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-00-542-2729, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 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
NSN9540-00-542-2729
Primary Part Number734-31
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerAluminum Co of America
StatusACTIVE
Second Tip Relationship to First TipNOT IDENTICAL
Base Flange Thickness0.250 INCHES NOMINAL IN
Heat TreatmentH-111 STRAIN HARDENED
MaterialALUMINUM ALLOY 5086
Length20.000 FEET MINIMUM AND 30.000 FEET MAXIMUM FT
Basic Shape StyleANGLE
Left Inside Angle90.0 DEGREES NOMINAL
First Tip Radius0.250 INCHES NOMINAL IN
Fabrication MethodEXTRUDED
Fillet Radius Where Left Flange Joins Base Flange0.375 INCHES NOMINAL IN
Nondefinitive Spec/std Data5086 ALLOY AND H111 TEMPER
Material Document and ClassificationAMS-QQ-A-200/5 FED SPEC SINGLE MATERIAL RESPONSE
Weight Per Unit Measure2.030 POUNDS PER LINEAR FOOT LBS
Left Side Flange Thickness0.250 INCHES NOMINAL IN
First Tip StyleRIGHT QUARTER RADIUS
Second Tip Radius0.250 INCHES NOMINAL IN
Second Tip StyleUPPER RADIUS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4320-00-126-4431SM7410SH INTERCHANGEABLE
Shaft,transmission,pump
Capitol Engine Co, Inc Dba Salmini Worldwide
1680-00-234-62892697 INTERCHANGEABLE
Handle Assy,door
Adams Rite Aerospace, Inc
9540-00-250-1060 INTERCHANGEABLE
Angle,structural
3110-00-275-02602697 INTERCHANGEABLE
Bearing,ball,annular
Ge Aviation Systems Llc Dba Ge Aviation Div Information Systems - Germantown
1650-00-475-735560231 INTERCHANGEABLE
Parts Kit,valve Overhaul
Meggitt North Hollywood Inc
2920-00-524-9572YD2134 INTERCHANGEABLE
Lead,ignition,engine
Wisconsin Motors, Llc
5360-00-687-34542697 INTERCHANGEABLE
Spring,helical,compression
Imi Cash Valve Inc
5930-00-876-976660-231 INTERCHANGEABLE
Adapter,switch Actuator
Triumph Thermal Systems - Maryland, Inc.
2940-01-025-389342697 INTERCHANGEABLE
Filter Element,intake Air Cleane
Wix Corp
5340-01-039-51042697 INTERCHANGEABLE
Plug,vent
Heyco Inc Dba Heyco Products
Cross-Reference Index
Part NumberManufacturer
734-31 Aluminum Co of America (USA)
ASTM B221 American Society for Testing and Materials Dba Astm International (USA)
HA13 Kaiser Aluminum and Chemical Corp (USA)
QQ-A-200/5 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
PA4648 Transtar Metals Corp (USA)
60-231 Transtar Metals Corp (USA)
AMS-QQ-A-200/5 Sae International Dba Sae International (USA)
2697 Alcoa/reynolds Metals Company (USA)
AMS-QQ-A-200/5 Society of Automotive Engineers Inc (USA)
Related Parts
4320-00-126-4431INTERCHANGEABLE
SHAFT,TRANSMISSION,PUMP
SM7410SH
1680-00-234-6289INTERCHANGEABLE
HANDLE ASSY,DOOR
2697
9540-00-250-1060INTERCHANGEABLE
ANGLE,STRUCTURAL
3110-00-275-0260INTERCHANGEABLE
BEARING,BALL,ANNULAR
2697
1650-00-475-7355INTERCHANGEABLE
PARTS KIT,VALVE OVERHAUL
60231
2920-00-524-9572INTERCHANGEABLE
LEAD,IGNITION,ENGINE
YD2134
5360-00-687-3454INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
2697
5930-00-876-9766INTERCHANGEABLE
ADAPTER,SWITCH ACTUATOR
60-231
2940-01-025-3893INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
42697
5340-01-039-5104INTERCHANGEABLE
PLUG,VENT
2697
5950-01-067-0996INTERCHANGEABLE
TRANSFORMER,POWER
5330-01-109-3064INTERCHANGEABLE
GASKET AND SEAL SET

Frequently Asked Questions

What is NSN 9540-00-542-2729?

NSN 9540-00-542-2729 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 9540-00-542-2729?

NSN 9540-00-542-2729 has 9 cross-referenced part numbers: 734-31 (Aluminum Co of America), ASTM B221 (American Society for Testing and Materials Dba Astm International), HA13 (Kaiser Aluminum and Chemical Corp), QQ-A-200/5 (Federal Specifications Promulgated by General Services Administration Washington DC), PA4648 (Transtar Metals Corp) and 4 more.

What NSN replaces 9540-00-542-2729?

There are 12 known substitutes for 9540-00-542-2729: 4320-00-126-4431, 1680-00-234-6289, 9540-00-250-1060 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 734-31?

Key specifications for 734-31: Second Tip Relationship to First Tip: NOT IDENTICAL; Base Flange Thickness: 0.250 INCHES NOMINAL IN; Heat Treatment: H-111 STRAIN HARDENED; Material: ALUMINUM ALLOY 5086. 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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