PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LS4682Angle,structural

Lockheed Martin Corp · NSN 9540-00-982-4894 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-982-4894 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-982-4894. Primary manufacturer part number: LS4682.
Features
  • Angle,structural — FSC 9540
  • Left Inside Angle: 90.0 DEGREES NOMINAL
  • Fillet Radius Where Left Flange Joins Base Flange: 0.094 INCHES NOMINAL IN
  • Material: ALUMINUM ALLOY 7075
  • Heat Treatment: T-6 SOLUTION HEAT TREATED
  • First Tip Inner Radius: 0.016 INCHES NOMINAL IN
  • Nondefinitive Spec/std Data: 7075 ALLOY AND T6 TEMPER
  • Weight Per Unit Measure: 0.130 POUNDS PER LINEAR FOOT LBS
Applications
  • Applications requiring Aluminum Alloy 7075 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-00-982-4894, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9540-00-982-4894
Primary Part NumberLS4682
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Left Inside Angle90.0 DEGREES NOMINAL
Fillet Radius Where Left Flange Joins Base Flange0.094 INCHES NOMINAL IN
MaterialALUMINUM ALLOY 7075
Heat TreatmentT-6 SOLUTION HEAT TREATED
First Tip Inner Radius0.016 INCHES NOMINAL IN
Nondefinitive Spec/std Data7075 ALLOY AND T6 TEMPER
Weight Per Unit Measure0.130 POUNDS PER LINEAR FOOT LBS
Basic Shape StyleANGLE
Base Flange Thickness0.062 INCHES NOMINAL IN
Fabrication MethodEXTRUDED
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Material Document and ClassificationAMS-Q-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE
First Tip StyleSQUARE W/ INNER AND OUTER CORNER RADII
First Tip Outer Radius0.016 INCHES NOMINAL IN
Second Tip Relationship to First TipIDENTICAL
Left Side Flange Thickness0.062 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5950-00-146-4810 INTERCHANGEABLE
Transformer,power
5985-00-364-7563802027393001-7 INTERCHANGEABLE
Attenuator,fixed
Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division
4820-00-436-2847214943 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Dana Off Highway Products, Llc
5360-00-448-157272595 INTERCHANGEABLE
Spring
Lucent Technologies Inc Corporate Headquarters
5340-00-481-44852369-1 INTERCHANGEABLE
Latch,rim
Adams Rite Aerospace, Inc
5310-00-639-301372595 INTERCHANGEABLE
Washer,recessed
Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix
3950-01-065-083951733 INTERCHANGEABLE
Hub,winch Brake
Paccar Winch Inc Dba Paccar Winch Division
5930-01-537-8389 INTERCHANGEABLE
Switch,pressure
Cross-Reference Index
Part NumberManufacturer
23691 Alcoa/reynolds Metals Company (USA)
PA5038 Transtar Metals Corp (USA)
72595 Aluminum Co of America (USA)
AMS-QQ-A-200/11 Society of Automotive Engineers Inc (USA)
QQ-A-200/11 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
ASTM B221 American Society for Testing and Materials Dba Astm International (USA)
LS4682 PRIMARY Lockheed Martin Corp (USA)
60-4926 Transtar Metals Corp (USA)
Related Parts
5950-00-146-4810INTERCHANGEABLE
TRANSFORMER,POWER
5985-00-364-7563INTERCHANGEABLE
ATTENUATOR,FIXED
802027393001-7
4820-00-436-2847INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
214943
5360-00-448-1572INTERCHANGEABLE
SPRING
72595
5340-00-481-4485INTERCHANGEABLE
LATCH,RIM
2369-1
5310-00-639-3013INTERCHANGEABLE
WASHER,RECESSED
72595
3950-01-065-0839INTERCHANGEABLE
HUB,WINCH BRAKE
51733
5930-01-537-8389INTERCHANGEABLE
SWITCH,PRESSURE

Frequently Asked Questions

What is NSN 9540-00-982-4894?

NSN 9540-00-982-4894 is a Angle,structural, manufactured by Lockheed Martin Corp, classified under FSC 9540 (No Item Name Available). Status: active.

What are the part numbers for NSN 9540-00-982-4894?

NSN 9540-00-982-4894 has 8 cross-referenced part numbers: 23691 (Alcoa/reynolds Metals Company), PA5038 (Transtar Metals Corp), 72595 (Aluminum Co of America), AMS-QQ-A-200/11 (Society of Automotive Engineers Inc), QQ-A-200/11 (Federal Specifications Promulgated by General Services Administration Washington DC) and 3 more.

What NSN replaces 9540-00-982-4894?

There are 8 known substitutes for 9540-00-982-4894: 5950-00-146-4810, 5985-00-364-7563, 4820-00-436-2847 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of LS4682?

Key specifications for LS4682: Left Inside Angle: 90.0 DEGREES NOMINAL; Fillet Radius Where Left Flange Joins Base Flange: 0.094 INCHES NOMINAL IN; Material: ALUMINUM ALLOY 7075; Heat Treatment: T-6 SOLUTION HEAT TREATED. 18 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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