PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30949Angle,structural

Aluminum Co of America · NSN 9540-00-221-8508 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-221-8508 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-221-8508. Primary manufacturer part number: 30949.
Features
  • Angle,structural — FSC 9540
  • First Tip Style: RIGHT QUARTER RADIUS
  • Basic Shape Style: ANGLE
  • Material Document and Classification: QQ-A-200/3 FED SPEC 1ST MATERIAL RESPONSE
  • Specification/standard Data: 81348-QQ-A-200/3 GOVERNMENT SPECIFICATION
  • Nondefinitive Spec/std Data: T4 TEMPER
  • Material: ALUMINUM ALLOY 2024
  • First Tip Radius: 0.125 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Alloy 2024 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-00-221-8508, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9540-00-221-8508
Primary Part Number30949
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerAluminum Co of America
StatusACTIVE
First Tip StyleRIGHT QUARTER RADIUS
Basic Shape StyleANGLE
Material Document and ClassificationQQ-A-200/3 FED SPEC 1ST MATERIAL RESPONSE
Specification/standard Data81348-QQ-A-200/3 GOVERNMENT SPECIFICATION
Nondefinitive Spec/std DataT4 TEMPER
MaterialALUMINUM ALLOY 2024
First Tip Radius0.125 INCHES NOMINAL IN
Fillet Radius Where Left Flange Joins Base Flange0.188 INCHES NOMINAL IN
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Left Inside Angle90.0 DEGREES NOMINAL
Fabrication MethodEXTRUDED
Weight Per Unit Measure0.560 POUNDS PER LINEAR FOOT LBS
Second Tip StyleUPPER RADIUS
Second Tip Radius0.125 INCHES NOMINAL IN
Base Flange Thickness0.120 INCHES NOMINAL IN
Second Tip Relationship to First TipNOT IDENTICAL
Left Side Flange Thickness0.120 INCHES NOMINAL IN
Heat TreatmentT-4 SOLUTION HEAT TREATED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4730-00-050-4208SAE-AS15003-1P INTERCHANGEABLE
Fitting,lubrication
Sae International Dba Sae International
5995-00-093-640330949 INTERCHANGEABLE
Lead,electrical
Raytheon Company Dba Raytheon
9540-00-720-4671 INTERCHANGEABLE
Angle,structural
5340-01-073-317812283401 INTERCHANGEABLE
Cover,access
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
4810-01-509-308230949 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
Cross-Reference Index
Part NumberManufacturer
30949 Aluminum Co of America (USA)
AMS-QQ-A-200/3 Society of Automotive Engineers Inc (USA)
AMS-QQ-A-200/3 Sae International Dba Sae International (USA)
QQ-A-200/3 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
LS3523 Lockheed Martin Corp (USA)
Related Parts
4730-00-050-4208INTERCHANGEABLE
FITTING,LUBRICATION
SAE-AS15003-1P
5995-00-093-6403INTERCHANGEABLE
LEAD,ELECTRICAL
30949
9540-00-720-4671INTERCHANGEABLE
ANGLE,STRUCTURAL
5340-01-073-3178INTERCHANGEABLE
COVER,ACCESS
12283401
4810-01-509-3082INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
30949

Frequently Asked Questions

What is NSN 9540-00-221-8508?

NSN 9540-00-221-8508 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 9540-00-221-8508?

NSN 9540-00-221-8508 has 5 cross-referenced part numbers: 30949 (Aluminum Co of America), AMS-QQ-A-200/3 (Society of Automotive Engineers Inc), AMS-QQ-A-200/3 (Sae International Dba Sae International), QQ-A-200/3 (Federal Specifications Promulgated by General Services Administration Washington DC), LS3523 (Lockheed Martin Corp).

What NSN replaces 9540-00-221-8508?

There are 5 known substitutes for 9540-00-221-8508: 4730-00-050-4208, 5995-00-093-6403, 9540-00-720-4671 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30949?

Key specifications for 30949: First Tip Style: RIGHT QUARTER RADIUS; Overall Width: 2.750 INCHES NOMINAL IN; Basic Shape Style: ANGLE; Material Document and Classification: QQ-A-200/3 FED SPEC 1ST MATERIAL RESPONSE. 20 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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