PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10398Channel,structural

Pimalco Inc. Div Alcoa Inc Global Hard Alloy Extrusions · NSN 9540-00-051-7171 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-051-7171 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-051-7171. Primary manufacturer part number: 10398.
Features
  • Channel,structural — FSC 9540
  • Fillet Radius Where Left Flange Joins Base Flange: 0.125 INCHES NOMINAL IN
  • Material Document and Classification: AMS-Q-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE
  • Right Side Flange Height: 1.000 INCHES NOMINAL IN
  • Right Inside Angle: 90.0 DEGREES NOMINAL
  • Left Side Flange Thickness: 0.070 INCHES NOMINAL IN
  • Left Side Flange Height: 1.000 INCHES NOMINAL IN
  • Left Inside Angle: 90.0 DEGREES NOMINAL
Applications
  • Applications requiring Aluminum Alloy 7075 construction
General Description

The Channel,structural, cataloged under National Stock Number 9540-00-051-7171, 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 Pimalco Inc. Div Alcoa Inc Global Hard Alloy Extrusions. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 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: Cancelled.

Technical Specifications
ParameterValue
NSN9540-00-051-7171
Primary Part Number10398
Item NameChannel,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerPimalco Inc. Div Alcoa Inc Global Hard Alloy Extrusions
StatusCANCELLED
Fillet Radius Where Left Flange Joins Base Flange0.125 INCHES NOMINAL IN
Material Document and ClassificationAMS-Q-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE
Right Side Flange Height1.000 INCHES NOMINAL IN
Right Inside Angle90.0 DEGREES NOMINAL
Left Side Flange Thickness0.070 INCHES NOMINAL IN
Left Side Flange Height1.000 INCHES NOMINAL IN
Left Inside Angle90.0 DEGREES NOMINAL
Weight Per Unit Measure0.300 POUNDS PER LINEAR FOOT LBS
Basic Shape StyleCHANNEL
Length12.000 FEET NOMINAL FT
Nondefinitive Spec/std Data7075 ALLOY AND T6 TEMPER
MaterialALUMINUM ALLOY 7075
Second Tip Relationship to First TipIDENTICAL
Right Side Flange Thickness0.070 INCHES NOMINAL IN
First Tip StyleSQUARE END
Heat TreatmentT-6 SOLUTION HEAT TREATED
Base Flange Thickness0.062 INCHES NOMINAL IN
Fillet Radius Where Right Flange Joins Base Flange0.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4130-00-001-9120 INTERCHANGEABLE
Compressor Unit,refrigeration
5961-00-179-8478 INTERCHANGEABLE
Transistor
5305-00-297-7721SMD331453-19 INTERCHANGEABLE
Screw,machine
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6605-00-312-6410 INTERCHANGEABLE
Roller Assy
2540-00-363-4169644-1-5343 INTERCHANGEABLE
Heater,vehicular,compartment
Foremost Industries Lp Div Industries Ltd
3020-00-392-7867SM-C-157386 INTERCHANGEABLE
Guard,mechanical Drive
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5360-00-598-7081 INTERCHANGEABLE
Spring,helical,extension
5996-00-617-053862-864 INTERCHANGEABLE
Amplifier,electronic Control
Lockheed Martin Corporation Div Rms - Mitchel Field
4935-00-944-7969 INTERCHANGEABLE
Roller,storage
4320-00-974-7261CA8815-5 INTERCHANGEABLE
Impeller,pump,centrifugal
Air & Liquid Systems Corporation Dba Buffalo Pumps
Cross-Reference Index
Part NumberManufacturer
10398 Pimalco Inc. Div Alcoa Inc Global Hard Alloy Extrusions (USA)
PA27337 Transtar Metals Corp (USA)
62864 International Light Metals Corp Sub of Martin Marietta Corp (USA)
LS5558 Lockheed Martin Corp (USA)
AMS-QQ-A-200/11 Society of Automotive Engineers Inc (USA)
T62864 Howmet Corporation Dba Alcoa Howmet, Whitehall, Casting Operations (USA)
QQ-A-200/11 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AMS-QQ-A-200/11 Sae International Dba Sae International (USA)
Related Parts
4130-00-001-9120INTERCHANGEABLE
COMPRESSOR UNIT,REFRIGERATION
5961-00-179-8478INTERCHANGEABLE
TRANSISTOR
5305-00-297-7721INTERCHANGEABLE
SCREW,MACHINE
SMD331453-19
6605-00-312-6410INTERCHANGEABLE
ROLLER ASSY
2540-00-363-4169INTERCHANGEABLE
HEATER,VEHICULAR,COMPARTMENT
644-1-5343
3020-00-392-7867INTERCHANGEABLE
GUARD,MECHANICAL DRIVE
SM-C-157386
5360-00-598-7081INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
5996-00-617-0538INTERCHANGEABLE
AMPLIFIER,ELECTRONIC CONTROL
62-864
4935-00-944-7969INTERCHANGEABLE
ROLLER,STORAGE
4320-00-974-7261INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
CA8815-5
5310-01-013-5805INTERCHANGEABLE
WASHER,FLAT
685-62864
5835-01-306-5511INTERCHANGEABLE
GUIDE,SOUND REPRODUCER CARRIAGE

Frequently Asked Questions

What is NSN 9540-00-051-7171?

NSN 9540-00-051-7171 is a Channel,structural, manufactured by Pimalco Inc. Div Alcoa Inc Global Hard Alloy Extrusions, classified under FSC 9540 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 9540-00-051-7171?

NSN 9540-00-051-7171 has 8 cross-referenced part numbers: 10398 (Pimalco Inc. Div Alcoa Inc Global Hard Alloy Extrusions), PA27337 (Transtar Metals Corp), 62864 (International Light Metals Corp Sub of Martin Marietta Corp), LS5558 (Lockheed Martin Corp), AMS-QQ-A-200/11 (Society of Automotive Engineers Inc) and 3 more.

What NSN replaces 9540-00-051-7171?

There are 12 known substitutes for 9540-00-051-7171: 4130-00-001-9120, 5961-00-179-8478, 5305-00-297-7721 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10398?

Key specifications for 10398: Fillet Radius Where Left Flange Joins Base Flange: 0.125 INCHES NOMINAL IN; Material Document and Classification: AMS-Q-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE; Right Side Flange Height: 1.000 INCHES NOMINAL IN; Overall Width: 1.250 INCHES NOMINAL IN. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 9540-00-051-7171 still in active supply?

NSN 9540-00-051-7171 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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