PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

38550Structural Section,special Shape

International Light Metals Corp Sub of Martin Marietta Corp · NSN 9540-00-005-8420 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-005-8420 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-005-8420. Primary manufacturer part number: 38550.
Features
  • Structural Section,special Shape — FSC 9540
  • Nondefinitive Spec/std Data: 7075 ALLOY AND T6511 TEMPER
  • Material Document and Classification: AMS-Q-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE
  • Weight Per Unit Measure: 0.318 POUNDS PER LINEAR FOOT LBS
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY MATERIAL,TEMPER AND LENGTH REQUIREMENTS
  • Material: ALUMINUM ALLOY 7075
  • Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
  • Heat Treatment: T-6511 SOLUTION HEAT TREATED
Applications
  • Applications requiring Aluminum Alloy 7075 construction
General Description

The Structural Section,special Shape, cataloged under National Stock Number 9540-00-005-8420, 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 International Light Metals Corp Sub of Martin Marietta Corp. Government technical data includes 7 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
NSN9540-00-005-8420
Primary Part Number38550
Item NameStructural Section,special Shape
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerInternational Light Metals Corp Sub of Martin Marietta Corp
StatusACTIVE
Nondefinitive Spec/std Data7075 ALLOY AND T6511 TEMPER
Material Document and ClassificationAMS-Q-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE
Weight Per Unit Measure0.318 POUNDS PER LINEAR FOOT LBS
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY MATERIAL,TEMPER AND LENGTH REQUIREMENTS
MaterialALUMINUM ALLOY 7075
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Heat TreatmentT-6511 SOLUTION HEAT TREATED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5950-00-112-1470 INTERCHANGEABLE
Coil,radio Frequency
3610-00-756-6778 INTERCHANGEABLE
Plate,lithographic Printing
2590-00-827-59993790291 INTERCHANGEABLE
Bracket Assembly,cover
General Motors Llc Dba General Motors Llc
6150-01-687-6608149945 INTERCHANGEABLE
Wiring Harness
Dover Corp Groen Div
Cross-Reference Index
Part NumberManufacturer
38550 International Light Metals Corp Sub of Martin Marietta Corp (USA)
QQA200-11 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
LS30383-1 Lockheed Martin Corp (USA)
149945 Aluminum Co of America (USA)
AMS-QQ-A-200/11 Sae International Dba Sae International (USA)
PA17217 Transtar Metals Corp (USA)
AMS-QQ-A-200/11 Society of Automotive Engineers Inc (USA)
Related Parts
5950-00-112-1470INTERCHANGEABLE
COIL,RADIO FREQUENCY
3610-00-756-6778INTERCHANGEABLE
PLATE,LITHOGRAPHIC PRINTING
2590-00-827-5999INTERCHANGEABLE
BRACKET ASSEMBLY,COVER
3790291
6150-01-687-6608INTERCHANGEABLE
WIRING HARNESS
149945

Frequently Asked Questions

What is NSN 9540-00-005-8420?

NSN 9540-00-005-8420 is a Structural Section,special Shape, manufactured by International Light Metals Corp Sub of Martin Marietta Corp, classified under FSC 9540 (No Item Name Available). Status: active.

What are the part numbers for NSN 9540-00-005-8420?

NSN 9540-00-005-8420 has 7 cross-referenced part numbers: 38550 (International Light Metals Corp Sub of Martin Marietta Corp), QQA200-11 (Federal Specifications Promulgated by General Services Administration Washington DC), LS30383-1 (Lockheed Martin Corp), 149945 (Aluminum Co of America), AMS-QQ-A-200/11 (Sae International Dba Sae International) and 2 more.

What NSN replaces 9540-00-005-8420?

There are 4 known substitutes for 9540-00-005-8420: 5950-00-112-1470, 3610-00-756-6778, 2590-00-827-5999 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 38550?

Key specifications for 38550: Nondefinitive Spec/std Data: 7075 ALLOY AND T6511 TEMPER; Material Document and Classification: AMS-Q-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE; Weight Per Unit Measure: 0.318 POUNDS PER LINEAR FOOT LBS; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY MATERIAL,TEMPER AND LENGTH REQUIREMENTS. 7 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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