PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

QQA200-3Structural Section,special Shape

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 9540-00-185-4181 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-185-4181 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-185-4181. Primary manufacturer part number: QQA200-3.
Features
  • Structural Section,special Shape — FSC 9540
  • Weight Per Unit Measure: 0.085 POUNDS PER LINEAR FOOT LBS
  • Length: 12.500 FEET NOMINAL FT
  • Heat Treatment: T-3511 SOLUTION HEAT TREATED
  • Length: 12.500 FEET NOMINAL FT
  • Material: ALUMINUM ALLOY 2024
  • Material: ALUMINUM ALLOY 2024
  • Weight Per Unit Measure: 0.085 POUNDS PER LINEAR FOOT LBS
Applications
  • Applications requiring Aluminum Alloy 2024 construction
General Description

The Structural Section,special Shape, cataloged under National Stock Number 9540-00-185-4181, 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 Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9540-00-185-4181
Primary Part NumberQQA200-3
Item NameStructural Section,special Shape
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Weight Per Unit Measure0.085 POUNDS PER LINEAR FOOT LBS
Length12.500 FEET NOMINAL FT
Heat TreatmentT-3511 SOLUTION HEAT TREATED
Length12.500 FEET NOMINAL FT
MaterialALUMINUM ALLOY 2024
MaterialALUMINUM ALLOY 2024
Weight Per Unit Measure0.085 POUNDS PER LINEAR FOOT LBS
Material Document and ClassificationAMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE
Material Document and ClassificationAMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE
Nondefinitive Spec/std Data2024 ALLOY AND T3511 TEMPER
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY MATERIAL,TEMPER AND LENGTH REQUIREMENTS
Fabrication MethodEXTRUDED
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY MATERIAL,TEMPER AND LENGTH REQUIREMENTS
Heat TreatmentT-3511 SOLUTION HEAT TREATED
Nondefinitive Spec/std Data2024 ALLOY AND T3511 TEMPER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
9540-00-052-7593 INTERCHANGEABLE
Structural Section,special Shape
2825-00-671-4523217-407 INTERCHANGEABLE
Retainer,spring
Steward Machine Co Inc
5330-01-202-254060531 INTERCHANGEABLE
Seal,plain
Eaton Corporation Dba Eaton Inoac Div Eaton
5962-01-604-4601SN74F32NE4 INTERCHANGEABLE
Microcircuit,digital
Texas Instruments Inc
Cross-Reference Index
Part NumberManufacturer
QQA200-3 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AMS-QQ-A-200/3 Sae International Dba Sae International (USA)
AMS-QQ-A-200/3 Society of Automotive Engineers Inc (USA)
LS4211 Lockheed Martin Corp (USA)
60-14480 Transtar Metals Corp (USA)
9540PL1452082 Jednolity Indeks Materialowy - Uniform Material Index (POL)
60531 Aluminum Co of America (USA)
Related Parts
9540-00-052-7593INTERCHANGEABLE
STRUCTURAL SECTION,SPECIAL SHAPE
2825-00-671-4523INTERCHANGEABLE
RETAINER,SPRING
217-407
5330-01-202-2540INTERCHANGEABLE
SEAL,PLAIN
60531
5962-01-604-4601INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
SN74F32NE4

Frequently Asked Questions

What is NSN 9540-00-185-4181?

NSN 9540-00-185-4181 is a Structural Section,special Shape, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 9540 (No Item Name Available). Status: active.

What are the part numbers for NSN 9540-00-185-4181?

NSN 9540-00-185-4181 has 7 cross-referenced part numbers: QQA200-3 (Federal Specifications Promulgated by General Services Administration Washington DC), AMS-QQ-A-200/3 (Sae International Dba Sae International), AMS-QQ-A-200/3 (Society of Automotive Engineers Inc), LS4211 (Lockheed Martin Corp), 60-14480 (Transtar Metals Corp) and 2 more.

What NSN replaces 9540-00-185-4181?

There are 4 known substitutes for 9540-00-185-4181: 9540-00-052-7593, 2825-00-671-4523, 5330-01-202-2540 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of QQA200-3?

Key specifications for QQA200-3: Weight Per Unit Measure: 0.085 POUNDS PER LINEAR FOOT LBS; Length: 12.500 FEET NOMINAL FT; Heat Treatment: T-3511 SOLUTION HEAT TREATED; Length: 12.500 FEET NOMINAL FT. 15 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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