PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LS4953Channel,structural

Lockheed Martin Corp · NSN 9540-00-414-3782 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-414-3782 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-414-3782. Primary manufacturer part number: LS4953.
Features
  • Channel,structural — FSC 9540
  • Left Side Flange Height: 1.250 INCHES NOMINAL IN
  • Outer Radius Where Right Flange Joins Top Flange: 0.031 INCHES NOMINAL IN
  • First Tip Inner Radius: 0.031 INCHES NOMINAL IN
  • Left Side Top Flange Thickness: 0.100 INCHES NOMINAL IN
  • Weight Per Unit Measure: 0.660 POUNDS PER LINEAR FOOT LBS
  • Base Flange Thickness: 0.100 INCHES NOMINAL IN
  • Material: ALUMINUM ALLOY 7075
Applications
  • Applications requiring Aluminum Alloy 7075 construction
General Description

The Channel,structural, cataloged under National Stock Number 9540-00-414-3782, 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 Corp. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 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
NSN9540-00-414-3782
Primary Part NumberLS4953
Item NameChannel,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Left Side Flange Height1.250 INCHES NOMINAL IN
Outer Radius Where Right Flange Joins Top Flange0.031 INCHES NOMINAL IN
First Tip Inner Radius0.031 INCHES NOMINAL IN
Left Side Top Flange Thickness0.100 INCHES NOMINAL IN
Weight Per Unit Measure0.660 POUNDS PER LINEAR FOOT LBS
Base Flange Thickness0.100 INCHES NOMINAL IN
MaterialALUMINUM ALLOY 7075
Left Inside Angle90.0 DEGREES NOMINAL
Basic Shape StyleCHANNEL
Outer Radius Where Left Flange Joins Base Flange0.031 INCHES NOMINAL IN
Second Tip Relationship to First TipIDENTICAL
Right Inside Angle90.0 DEGREES NOMINAL
Outer Radius Where Left Flange Joins Top Flange0.031 INCHES NOMINAL IN
First Tip StyleSQUARE W/ INNER AND OUTER CORNER RADII
Fillet Radius Where Right Flange Joins Base Flange0.060 INCHES NOMINAL IN
Fillet Radius Where Left Flange Joins Top Flange0.060 INCHES NOMINAL IN
Nondefinitive Spec/std DataT6 TEMPER
Right Side Flange Thickness0.100 INCHES NOMINAL IN
Material Document and ClassificationAMS-Q-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Left Side Flange Thickness0.100 INCHES NOMINAL IN
Heat TreatmentT-6 SOLUTION HEAT TREATED
Fabrication MethodEXTRUDED
Right Side Flange Height1.250 INCHES NOMINAL IN
Left Side Top Flange Width0.520 INCHES NOMINAL IN
First Tip Outer Radius0.031 INCHES NOMINAL IN
Fillet Radius Where Left Flange Joins Base Flange0.060 INCHES NOMINAL IN
Right Side Top Flange Thickness0.100 INCHES NOMINAL IN
Fillet Radius Where Right Flange Joins Top Flange0.060 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-44883193-3120 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
6625-00-166-1002 INTERCHANGEABLE
Shunt,instrument
6210-00-299-4654 INTERCHANGEABLE
Lens,light
4820-00-302-199710245 INTERCHANGEABLE
Disk,valve
Rps-Fl, Inc. Dba Rps Inc
5820-00-312-0809 INTERCHANGEABLE
Cap,crank Socket
4510-00-402-0885 INTERCHANGEABLE
Handle,faucet
5935-00-463-8071AD1 INTERCHANGEABLE
Adapter,connector
Trompeter Electronics, Inc.
6685-00-527-6995 INTERCHANGEABLE
Thermocouple,immersion
5360-00-574-87941024-5 INTERCHANGEABLE
Spring,helical,compression
Woodward Hrt, Inc. Dba Woodward Hrt Inc
3120-00-661-938016A8765 INTERCHANGEABLE
Bushing,sleeve
Napco International Llc Dba Napco International Inc
Cross-Reference Index
Part NumberManufacturer
AMS-STD-184 Society of Automotive Engineers Inc (USA)
60-8679 Transtar Metals Corp (USA)
AMS-QQ-A-200/11 Sae International Dba Sae International (USA)
AMS-QQ-A-200/11 Society of Automotive Engineers Inc (USA)
QQA200-11 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
31933 Alcoa/reynolds Metals Company (USA)
LS4953 PRIMARY Lockheed Martin Corp (USA)
76528 Aluminum Co of America (USA)
10245 Transtar Metals Corp (USA)
AMS-STD-184 Sae International Dba Sae International (USA)
Related Parts
3110-00-100-4488INTERCHANGEABLE
BEARING,ROLLER,TAPERED
3193-3120
6625-00-166-1002INTERCHANGEABLE
SHUNT,INSTRUMENT
6210-00-299-4654INTERCHANGEABLE
LENS,LIGHT
4820-00-302-1997INTERCHANGEABLE
DISK,VALVE
10245
5820-00-312-0809INTERCHANGEABLE
CAP,CRANK SOCKET
4510-00-402-0885INTERCHANGEABLE
HANDLE,FAUCET
5935-00-463-8071INTERCHANGEABLE
ADAPTER,CONNECTOR
AD1
6685-00-527-6995INTERCHANGEABLE
THERMOCOUPLE,IMMERSION
5360-00-574-8794INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
1024-5
3120-00-661-9380INTERCHANGEABLE
BUSHING,SLEEVE
16A8765
5905-00-666-1145INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
JA2G048P154UA
5930-01-020-2508INTERCHANGEABLE
SWITCH,THERMOSTATIC
3-1933

Frequently Asked Questions

What is NSN 9540-00-414-3782?

NSN 9540-00-414-3782 is a Channel,structural, manufactured by Lockheed Martin Corp, classified under FSC 9540 (No Item Name Available). Status: active.

What are the part numbers for NSN 9540-00-414-3782?

NSN 9540-00-414-3782 has 10 cross-referenced part numbers: AMS-STD-184 (Society of Automotive Engineers Inc), 60-8679 (Transtar Metals Corp), AMS-QQ-A-200/11 (Sae International Dba Sae International), AMS-QQ-A-200/11 (Society of Automotive Engineers Inc), QQA200-11 (Federal Specifications Promulgated by General Services Administration Washington DC) and 5 more.

What NSN replaces 9540-00-414-3782?

There are 12 known substitutes for 9540-00-414-3782: 3110-00-100-4488, 6625-00-166-1002, 6210-00-299-4654 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of LS4953?

Key specifications for LS4953: Left Side Flange Height: 1.250 INCHES NOMINAL IN; Outer Radius Where Right Flange Joins Top Flange: 0.031 INCHES NOMINAL IN; First Tip Inner Radius: 0.031 INCHES NOMINAL IN; Left Side Top Flange Thickness: 0.100 INCHES NOMINAL IN. 30 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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