PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LS3254-3Angle,structural

Lockheed Martin Corp · NSN 9540-00-251-1864 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-251-1864 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-251-1864. Primary manufacturer part number: LS3254-3.
Features
  • Angle,structural — FSC 9540
  • Basic Shape Style: ANGLE
  • Left Inside Angle: 90.0 DEGREES NOMINAL
  • Material: ALUMINUM ALLOY 7075
  • Second Tip Radius: 0.063 INCHES NOMINAL IN
  • Heat Treatment: T-6 SOLUTION HEAT TREATED
  • Base Flange Thickness: 0.125 INCHES NOMINAL IN
  • First Tip Radius: 0.063 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Alloy 7075 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-00-251-1864, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9540-00-251-1864
Primary Part NumberLS3254-3
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Basic Shape StyleANGLE
Left Inside Angle90.0 DEGREES NOMINAL
MaterialALUMINUM ALLOY 7075
Second Tip Radius0.063 INCHES NOMINAL IN
Heat TreatmentT-6 SOLUTION HEAT TREATED
Base Flange Thickness0.125 INCHES NOMINAL IN
First Tip Radius0.063 INCHES NOMINAL IN
Second Tip StyleUPPER RADIUS
Left Side Flange Thickness0.125 INCHES NOMINAL IN
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Second Tip Relationship to First TipNOT IDENTICAL
Fillet Radius Where Left Flange Joins Base Flange0.063 INCHES NOMINAL IN
Nondefinitive Spec/std Data7075 ALLOY AND T6 TEMPER
Material Document and ClassificationAMS-Q-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE
Weight Per Unit Measure0.240 POUNDS PER LINEAR FOOT LBS
First Tip StyleRIGHT QUARTER RADIUS
Fabrication MethodEXTRUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5960-00-023-5613 INTERCHANGEABLE
Electron Tube
5330-00-202-4444 INTERCHANGEABLE
Gasket
5910-00-238-3178SCC39763 INTERCHANGEABLE
Capacitor,variable,air Dielectri
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5310-00-571-01016084 INTERCHANGEABLE
Washer,lock
Kato Engineering Inc.
2040-00-937-59051507-2IN INTERCHANGEABLE
Seacox,salt Water
Paxton Co
5961-01-016-84856084 INTERCHANGEABLE
Semiconductor Device,diode
Nte Electronics, Inc
6680-01-314-293312351203 INTERCHANGEABLE
Adapter,speedometer-Tachometer D
U S Army Tank Automotive Command Amsta-Im-Mm
6515-01-363-77376084 INTERCHANGEABLE
Speculum Set,vaginal,laser
Coopersurgical Inc Dba Coopersurgical Products
6350-01-399-1349BR-1 INTERCHANGEABLE
Pir,mtg Bracket
Visonic Ltd
Cross-Reference Index
Part NumberManufacturer
BAC1503-1513 The Boeing Company Div Defense (USA)
AMS-QQ-A-200/11 Sae International Dba Sae International (USA)
LS3254-3 PRIMARY Lockheed Martin Corp (USA)
60-84 Transtar Metals Corp (USA)
AMS-QQ-A-200/11 Society of Automotive Engineers Inc (USA)
734JJ Aluminum Co of America (USA)
QQ-A-200/11 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
T4589 Howmet Corporation Dba Alcoa Howmet, Whitehall, Casting Operations (USA)
49 Alcoa/reynolds Metals Company (USA)
PA4080 Transtar Metals Corp (USA)
Related Parts
5960-00-023-5613INTERCHANGEABLE
ELECTRON TUBE
5330-00-202-4444INTERCHANGEABLE
GASKET
5910-00-238-3178INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
SCC39763
5310-00-571-0101INTERCHANGEABLE
WASHER,LOCK
6084
2040-00-937-5905INTERCHANGEABLE
SEACOX,SALT WATER
1507-2IN
5961-01-016-8485INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
6084
6680-01-314-2933INTERCHANGEABLE
ADAPTER,SPEEDOMETER-TACHOMETER D
12351203
6515-01-363-7737INTERCHANGEABLE
SPECULUM SET,VAGINAL,LASER
6084
6350-01-399-1349INTERCHANGEABLE
PIR,MTG BRACKET
BR-1

Frequently Asked Questions

What is NSN 9540-00-251-1864?

NSN 9540-00-251-1864 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 9540-00-251-1864?

NSN 9540-00-251-1864 has 10 cross-referenced part numbers: BAC1503-1513 (The Boeing Company Div Defense), AMS-QQ-A-200/11 (Sae International Dba Sae International), LS3254-3 (Lockheed Martin Corp), 60-84 (Transtar Metals Corp), AMS-QQ-A-200/11 (Society of Automotive Engineers Inc) and 5 more.

What NSN replaces 9540-00-251-1864?

There are 9 known substitutes for 9540-00-251-1864: 5960-00-023-5613, 5330-00-202-4444, 5910-00-238-3178 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of LS3254-3?

Key specifications for LS3254-3: Basic Shape Style: ANGLE; Left Inside Angle: 90.0 DEGREES NOMINAL; Material: ALUMINUM ALLOY 7075; Overall Width: 1.000 INCHES NOMINAL IN. 19 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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