PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LS6528Beam,structural

Lockheed Martin Corp · NSN 9540-00-027-7461 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-027-7461 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-027-7461. Primary manufacturer part number: LS6528.
Features
  • Beam,structural — FSC 9540
  • Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
  • First Tip Inner Radius: 0.025 INCHES NOMINAL IN
  • Left Top Inside Angle: 90.0 DEGREES NOMINAL
  • Nondefinitive Spec/std Data: 7075 ALLOY AND T6 TEMPER
  • Left Side Top Flange Distance to Center of Both Flanges: 0.970 INCHES NOMINAL IN
  • Fillet Radius Where Top Left Flange Joins Web Flange/leg: 0.125 INCHES NOMINAL IN
  • Basic Shape Style: T SHAPE
Applications
  • Applications requiring Aluminum Alloy 7075 construction
General Description

The Beam,structural, cataloged under National Stock Number 9540-00-027-7461, 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 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 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
NSN9540-00-027-7461
Primary Part NumberLS6528
Item NameBeam,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
First Tip Inner Radius0.025 INCHES NOMINAL IN
Left Top Inside Angle90.0 DEGREES NOMINAL
Nondefinitive Spec/std Data7075 ALLOY AND T6 TEMPER
Left Side Top Flange Distance to Center of Both Flanges0.970 INCHES NOMINAL IN
Fillet Radius Where Top Left Flange Joins Web Flange/leg0.125 INCHES NOMINAL IN
Basic Shape StyleT SHAPE
Top Flange Width1.940 INCHES NOMINAL IN
First Tip Outer Radius0.025 INCHES NOMINAL IN
Left Side Top Flange Thickness0.051 INCHES NOMINAL IN
First Tip StyleSQUARE W/ INNER AND OUTER CORNER RADII
Second Tip Relationship to First TipIDENTICAL
MaterialALUMINUM ALLOY 7075
Material Document and ClassificationAMS-Q-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE
Weight Per Unit Measure0.180 POUNDS PER LINEAR FOOT LBS
Third Tip Relationship to Preceding TipsIDENTICAL W/FIRST TIP
Right Top Inside Angle90.0 DEGREES NOMINAL
Right Side Top Flange Thickness0.051 INCHES NOMINAL IN
Fillet Radius Where Top Right Flange Joins Web Flange/leg0.125 INCHES NOMINAL IN
Right Side Top Flange Distance to Center of Both Flanges0.970 INCHES NOMINAL IN
Heat TreatmentT-6 SOLUTION HEAT TREATED
Leg Thickness0.051 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5945-00-295-42948002-1 INTERCHANGEABLE
Relay,rotary
Te Connectivity Corporation
4820-00-611-552411-0138 INTERCHANGEABLE
Valve,check
Bacharach, Inc.
5120-00-928-41977163A28 INTERCHANGEABLE
Blade,socket Head Screw Key
Mcmaster-Carr Supply Co
4320-00-967-409080021 INTERCHANGEABLE
Parts Kit,liquid Dispensing Pump
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
5961-01-123-3594 INTERCHANGEABLE
Semiconductor Device,diode
5962-01-231-3426 INTERCHANGEABLE
Microcircuit,digital
5935-01-274-9108 INTERCHANGEABLE
Adapter,connector
5962-01-305-3715 INTERCHANGEABLE
Microcircuit,digital
5330-01-324-484380021 INTERCHANGEABLE
Gasket
Eaton Aerospace, Llc Dba Jackson South
5998-01-418-8065 INTERCHANGEABLE
Extender Card,electronic Test
Cross-Reference Index
Part NumberManufacturer
PA6280 Transtar Metals Corp (USA)
QQ-A-200/11 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
LS6528 PRIMARY Lockheed Martin Corp (USA)
80021 Aluminum Co of America (USA)
60-4111 Transtar Metals Corp (USA)
AMS-QQ-A-200/11 Society of Automotive Engineers Inc (USA)
AMS-QQ-A-200/11 Sae International Dba Sae International (USA)
Related Parts
5945-00-295-4294INTERCHANGEABLE
RELAY,ROTARY
8002-1
4820-00-611-5524INTERCHANGEABLE
VALVE,CHECK
11-0138
5120-00-928-4197INTERCHANGEABLE
BLADE,SOCKET HEAD SCREW KEY
7163A28
4320-00-967-4090INTERCHANGEABLE
PARTS KIT,LIQUID DISPENSING PUMP
80021
5961-01-123-3594INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5962-01-231-3426INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5935-01-274-9108INTERCHANGEABLE
ADAPTER,CONNECTOR
5962-01-305-3715INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5330-01-324-4843INTERCHANGEABLE
GASKET
80021
5998-01-418-8065INTERCHANGEABLE
EXTENDER CARD,ELECTRONIC TEST
4820-01-477-0515INTERCHANGEABLE
PARTS KIT,CHECK VALVE
80021
5995-01-518-2816INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
60-4111

Frequently Asked Questions

What is NSN 9540-00-027-7461?

NSN 9540-00-027-7461 is a Beam,structural, manufactured by Lockheed Martin Corp, classified under FSC 9540 (No Item Name Available). Status: active.

What are the part numbers for NSN 9540-00-027-7461?

NSN 9540-00-027-7461 has 7 cross-referenced part numbers: PA6280 (Transtar Metals Corp), QQ-A-200/11 (Federal Specifications Promulgated by General Services Administration Washington DC), LS6528 (Lockheed Martin Corp), 80021 (Aluminum Co of America), 60-4111 (Transtar Metals Corp) and 2 more.

What NSN replaces 9540-00-027-7461?

There are 12 known substitutes for 9540-00-027-7461: 5945-00-295-4294, 4820-00-611-5524, 5120-00-928-4197 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of LS6528?

Key specifications for LS6528: Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT; First Tip Inner Radius: 0.025 INCHES NOMINAL IN; Left Top Inside Angle: 90.0 DEGREES NOMINAL; Nondefinitive Spec/std Data: 7075 ALLOY AND T6 TEMPER. 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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