PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LS5304Angle,structural

Lockheed Martin Corp · NSN 9540-00-628-4537 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-628-4537 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-628-4537. Primary manufacturer part number: LS5304.
Features
  • Angle,structural — FSC 9540
  • Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
  • Outer Radius Where Left Flange Joins Base Flange: 0.030 INCHES NOMINAL IN
  • First Tip Outer Radius: 0.030 INCHES NOMINAL IN
  • Second Tip Relationship to First Tip: IDENTICAL
  • Material: ALUMINUM ALLOY 2014
  • First Tip Style: SQUARE W/ INNER AND OUTER CORNER RADII
  • Left Side Flange Thickness: 0.125 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Alloy 2014 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-00-628-4537, 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 7 commercial cross-references from 7 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
NSN9540-00-628-4537
Primary Part NumberLS5304
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Outer Radius Where Left Flange Joins Base Flange0.030 INCHES NOMINAL IN
First Tip Outer Radius0.030 INCHES NOMINAL IN
Second Tip Relationship to First TipIDENTICAL
MaterialALUMINUM ALLOY 2014
First Tip StyleSQUARE W/ INNER AND OUTER CORNER RADII
Left Side Flange Thickness0.125 INCHES NOMINAL IN
Material Document and ClassificationAMS-QQ-A-200/2 FED SPEC SINGLE MATERIAL RESPONSE
Basic Shape StyleANGLE
Fillet Radius Where Left Flange Joins Base Flange0.125 INCHES NOMINAL IN
Weight Per Unit Measure0.934 POUNDS PER LINEAR FOOT LBS
First Tip Inner Radius0.030 INCHES NOMINAL IN
Nondefinitive Spec/std Data2014 ALLOY AND T6 TEMPER
Left Inside Angle90.7 DEGREES NOMINAL
Heat TreatmentT-6 SOLUTION HEAT TREATED
Fabrication MethodEXTRUDED
Base Flange Thickness0.200 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5330-00-080-076863X145 INTERCHANGEABLE
Seal,plain Encased
Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
5330-00-178-2271 INTERCHANGEABLE
Seal,plain Encased
5342-00-684-9689437629-2 INTERCHANGEABLE
Coupling,clamp,grooved
Honeywell International Inc. Dba Honeywell International Div Aerospace-Minneapolis
5930-00-717-6554 INTERCHANGEABLE
Switch,prop Feather
2530-00-737-24307372430 INTERCHANGEABLE
Plate Asy Backing
U S Army Tank Automotive Command Amsta-Im-Mm
5935-00-763-0858SM-A-617920-3 INTERCHANGEABLE
Connector Body,receptacle,electr
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3040-00-986-2427 INTERCHANGEABLE
Shaft,throat Assembly
3455-01-054-1804 INTERCHANGEABLE
File,rotary
4320-01-216-338630800 INTERCHANGEABLE
Motor,hydraulic
Mti Insulated Products Inc.
Cross-Reference Index
Part NumberManufacturer
LS5304 Lockheed Martin Corp (USA)
AMS-QQ-A-200/2 Sae International Dba Sae International (USA)
PA1440 Transtar Metals Corp (USA)
ASTM B221 American Society for Testing and Materials Dba Astm International (USA)
50081 International Light Metals Corp Sub of Martin Marietta Corp (USA)
QQ-A-200/2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AMS-QQ-A-200/2 Society of Automotive Engineers Inc (USA)
Related Parts
5330-00-080-0768INTERCHANGEABLE
SEAL,PLAIN ENCASED
63X145
5330-00-178-2271INTERCHANGEABLE
SEAL,PLAIN ENCASED
5342-00-684-9689INTERCHANGEABLE
COUPLING,CLAMP,GROOVED
437629-2
5930-00-717-6554INTERCHANGEABLE
SWITCH,PROP FEATHER
2530-00-737-2430INTERCHANGEABLE
PLATE ASY BACKING
7372430
5935-00-763-0858INTERCHANGEABLE
CONNECTOR BODY,RECEPTACLE,ELECTR
SM-A-617920-3
3040-00-986-2427INTERCHANGEABLE
SHAFT,THROAT ASSEMBLY
3455-01-054-1804INTERCHANGEABLE
FILE,ROTARY
4320-01-216-3386INTERCHANGEABLE
MOTOR,HYDRAULIC
30800

Frequently Asked Questions

What is NSN 9540-00-628-4537?

NSN 9540-00-628-4537 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 9540-00-628-4537?

NSN 9540-00-628-4537 has 7 cross-referenced part numbers: LS5304 (Lockheed Martin Corp), AMS-QQ-A-200/2 (Sae International Dba Sae International), PA1440 (Transtar Metals Corp), ASTM B221 (American Society for Testing and Materials Dba Astm International), 50081 (International Light Metals Corp Sub of Martin Marietta Corp) and 2 more.

What NSN replaces 9540-00-628-4537?

There are 9 known substitutes for 9540-00-628-4537: 5330-00-080-0768, 5330-00-178-2271, 5342-00-684-9689 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of LS5304?

Key specifications for LS5304: Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT; Outer Radius Where Left Flange Joins Base Flange: 0.030 INCHES NOMINAL IN; Overall Width: 2.750 INCHES NOMINAL IN; First Tip Outer Radius: 0.030 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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