PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

K20A46T8511Channel,structural

Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company · NSN 9540-01-125-6395 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-01-125-6395 — this item is cataloged by the U.S. Government under National Stock Number 9540-01-125-6395. Primary manufacturer part number: K20A46T8511.
Features
  • Channel,structural — FSC 9540
  • Basic Shape Style: CHANNEL
  • Material: ALUMINUM ALLOY 2024
  • Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
  • First Tip Style: RIGHT QUARTER RADIUS
  • Base Flange Thickness: 0.078 INCHES NOMINAL IN
  • Right Side Flange Height: 0.750 INCHES NOMINAL IN
  • First Tip Radius: 0.078 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Alloy 2024 construction
General Description

The Channel,structural, cataloged under National Stock Number 9540-01-125-6395, 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 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company. Government technical data includes 22 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9540-01-125-6395
Primary Part NumberK20A46T8511
Item NameChannel,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Lockheed Martin Aeronautics Company
StatusACTIVE
Basic Shape StyleCHANNEL
MaterialALUMINUM ALLOY 2024
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
First Tip StyleRIGHT QUARTER RADIUS
Base Flange Thickness0.078 INCHES NOMINAL IN
Right Side Flange Height0.750 INCHES NOMINAL IN
First Tip Radius0.078 INCHES NOMINAL IN
Second Tip StyleLEFT QUARTER RADIUS
Left Side Flange Thickness0.078 INCHES NOMINAL IN
Left Inside Angle90.0 DEGREES NOMINAL
Left Side Flange Height0.750 INCHES NOMINAL IN
Nondefinitive Spec/std DataT8511 TEMPER
Material Document and ClassificationAMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE
Specification/standard Data99237-AND10137 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Fillet Radius Where Right Flange Joins Base Flange0.125 INCHES NOMINAL IN
Right Inside Angle90.0 DEGREES NOMINAL
Fabrication MethodEXTRUDED
Second Tip Relationship to First TipNOT IDENTICAL
Fillet Radius Where Left Flange Joins Base Flange0.125 INCHES NOMINAL IN
Right Side Flange Thickness0.078 INCHES NOMINAL IN
Second Tip Radius0.078 INCHES NOMINAL IN
Heat TreatmentT-8511 SOLUTION HEAT TREATED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2810-00-118-426110266 INTERCHANGEABLE
Spacer
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
3110-00-198-178836149 INTERCHANGEABLE
Bearing,roller,cylindrical
Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division
4320-00-218-34064310P INTERCHANGEABLE
Sleeve,shaft,pump
Curtiss-Wright Electro-Mechanical Corporation Div Epd
5133-00-227-5988 INTERCHANGEABLE
Drill,twist
9540-00-288-1156 INTERCHANGEABLE
Channel,structural
5310-00-584-5542327313 INTERCHANGEABLE
Washer,flat
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
6530-00-770-92208860 INTERCHANGEABLE
Basin,emesis
The Vollrath Company, L.l.c. Div Vollrath
5820-00-869-099510266 INTERCHANGEABLE
Electrical Component
Weigh-Tronix Inc
5365-00-877-871610266 INTERCHANGEABLE
Shim Set
L3harris Interstate Electronics Corporation
5940-01-077-5821 INTERCHANGEABLE
Terminal Board
Cross-Reference Index
Part NumberManufacturer
K20A46T8511 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
AND10137-1601 Airforce-Navy Aeronautical Design Standard
AMS-QQ-A-200/3 Society of Automotive Engineers Inc (USA)
MS14366E051 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
10266 Pimalco Inc. Div Alcoa Inc Global Hard Alloy Extrusions (USA)
QQ-A-200/3 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AMS-QQ-A-200/3 Sae International Dba Sae International (USA)
Related Parts
2810-00-118-4261INTERCHANGEABLE
SPACER
10266
3110-00-198-1788INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
36149
4320-00-218-3406INTERCHANGEABLE
SLEEVE,SHAFT,PUMP
4310P
5133-00-227-5988INTERCHANGEABLE
DRILL,TWIST
9540-00-288-1156INTERCHANGEABLE
CHANNEL,STRUCTURAL
5310-00-584-5542INTERCHANGEABLE
WASHER,FLAT
327313
6530-00-770-9220INTERCHANGEABLE
BASIN,EMESIS
8860
5820-00-869-0995INTERCHANGEABLE
ELECTRICAL COMPONENT
10266
5365-00-877-8716INTERCHANGEABLE
SHIM SET
10266
5940-01-077-5821INTERCHANGEABLE
TERMINAL BOARD
5975-01-126-9562INTERCHANGEABLE
SHELF,ELECTRICAL EQUIPMENT
1026-6
5331-01-144-4767INTERCHANGEABLE
O-RING

Frequently Asked Questions

What is NSN 9540-01-125-6395?

NSN 9540-01-125-6395 is a Channel,structural, manufactured by Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company, classified under FSC 9540 (No Item Name Available). Status: active.

What are the part numbers for NSN 9540-01-125-6395?

NSN 9540-01-125-6395 has 7 cross-referenced part numbers: K20A46T8511 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), AND10137-1601 (Airforce-Navy Aeronautical Design Standard), AMS-QQ-A-200/3 (Society of Automotive Engineers Inc), MS14366E051 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 10266 (Pimalco Inc. Div Alcoa Inc Global Hard Alloy Extrusions) and 2 more.

What NSN replaces 9540-01-125-6395?

There are 12 known substitutes for 9540-01-125-6395: 2810-00-118-4261, 3110-00-198-1788, 4320-00-218-3406 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of K20A46T8511?

Key specifications for K20A46T8511: Basic Shape Style: CHANNEL; Material: ALUMINUM ALLOY 2024; Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT; First Tip Style: RIGHT QUARTER RADIUS. 23 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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