PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50642Structural Section,special Shape

International Light Metals Corp Sub of Martin Marietta Corp · NSN 9540-00-179-9598 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-179-9598 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-179-9598. Primary manufacturer part number: 50642.
Features
  • Structural Section,special Shape — FSC 9540
  • Weight Per Unit Measure: 0.240 POUNDS PER LINEAR FOOT LBS
  • Material: ALUMINUM ALLOY 2024
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY MATERIAL,TEMPER AND LENGTH REQUIREMENTS
  • Material: ALUMINUM ALLOY 2024
  • Nondefinitive Spec/std Data: T851 TEMPER
  • Heat Treatment: T-8511 SOLUTION HEAT TREATED
  • Fabrication Method: EXTRUDED
Applications
  • Applications requiring Aluminum Alloy 2024 construction
General Description

The Structural Section,special Shape, cataloged under National Stock Number 9540-00-179-9598, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN9540-00-179-9598
Primary Part Number50642
Item NameStructural Section,special Shape
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerInternational Light Metals Corp Sub of Martin Marietta Corp
StatusACTIVE
Weight Per Unit Measure0.240 POUNDS PER LINEAR FOOT LBS
MaterialALUMINUM ALLOY 2024
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY MATERIAL,TEMPER AND LENGTH REQUIREMENTS
MaterialALUMINUM ALLOY 2024
Nondefinitive Spec/std DataT851 TEMPER
Heat TreatmentT-8511 SOLUTION HEAT TREATED
Fabrication MethodEXTRUDED
Heat TreatmentT-8511 SOLUTION HEAT TREATED
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Nondefinitive Spec/std DataT851 TEMPER
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Weight Per Unit Measure0.240 POUNDS PER LINEAR FOOT LBS
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY MATERIAL,TEMPER AND LENGTH REQUIREMENTS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3460-00-678-846450642 INTERCHANGEABLE
Wheel,abrasive
Black and Decker Us Inc
4730-01-036-7829299-5472868 INTERCHANGEABLE
Nozzle,spray,fluid-Emulsion
Naval Sea Systems Command
5915-01-135-98475064-2 INTERCHANGEABLE
Filter,band Pass
Monitor Products Co. Inc. Dba Monitor Products Co. Inc.
6220-01-256-454850642 INTERCHANGEABLE
Stop Light-Taillight,vehicular
Grote Industries Inc Dba Grote Manufacturing Co Div Military Products
Cross-Reference Index
Part NumberManufacturer
50642 International Light Metals Corp Sub of Martin Marietta Corp (USA)
QQA200-3 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
1M97147 The Boeing Company Div Defense (USA)
Related Parts
3460-00-678-8464INTERCHANGEABLE
WHEEL,ABRASIVE
50642
4730-01-036-7829INTERCHANGEABLE
NOZZLE,SPRAY,FLUID-EMULSION
299-5472868
5915-01-135-9847INTERCHANGEABLE
FILTER,BAND PASS
5064-2
6220-01-256-4548INTERCHANGEABLE
STOP LIGHT-TAILLIGHT,VEHICULAR
50642

Frequently Asked Questions

What is NSN 9540-00-179-9598?

NSN 9540-00-179-9598 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 9540-00-179-9598?

NSN 9540-00-179-9598 has 3 cross-referenced part numbers: 50642 (International Light Metals Corp Sub of Martin Marietta Corp), QQA200-3 (Federal Specifications Promulgated by General Services Administration Washington DC), 1M97147 (The Boeing Company Div Defense).

What NSN replaces 9540-00-179-9598?

There are 4 known substitutes for 9540-00-179-9598: 3460-00-678-8464, 4730-01-036-7829, 5915-01-135-9847 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50642?

Key specifications for 50642: Weight Per Unit Measure: 0.240 POUNDS PER LINEAR FOOT LBS; Material: ALUMINUM ALLOY 2024; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY MATERIAL,TEMPER AND LENGTH REQUIREMENTS; Material: ALUMINUM ALLOY 2024. 13 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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