PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

K11-9Angle,structural

Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company · NSN 9540-00-395-6492 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-395-6492 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-395-6492. Primary manufacturer part number: K11-9.
Features
  • Angle,structural — FSC 9540
  • First Tip Radius: 0.094 INCHES NOMINAL IN
  • Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
  • Second Tip Style: UPPER RADIUS
  • Material: ALUMINUM ALLOY 2024
  • Left Side Flange Thickness: 0.094 INCHES NOMINAL IN
  • Second Tip Relationship to First Tip: NOT IDENTICAL
  • Heat Treatment: T-3510 SOLUTION HEAT TREATED
Applications
  • Applications requiring Aluminum Alloy 2024 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-00-395-6492, 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 Corporation Div Lockheed Martin Aeronautics Company. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 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
NSN9540-00-395-6492
Primary Part NumberK11-9
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Lockheed Martin Aeronautics Company
StatusACTIVE
First Tip Radius0.094 INCHES NOMINAL IN
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Second Tip StyleUPPER RADIUS
MaterialALUMINUM ALLOY 2024
Left Side Flange Thickness0.094 INCHES NOMINAL IN
Second Tip Relationship to First TipNOT IDENTICAL
Heat TreatmentT-3510 SOLUTION HEAT TREATED
Base Flange Thickness0.094 INCHES NOMINAL IN
Fillet Radius Where Left Flange Joins Base Flange0.125 INCHES NOMINAL IN
Left Inside Angle90.0 DEGREES NOMINAL
Second Tip Radius0.094 INCHES NOMINAL IN
First Tip StyleRIGHT QUARTER RADIUS
Material Document and ClassificationAMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE
Nondefinitive Spec/std DataT3510 TEMPER
Basic Shape StyleANGLE
Weight Per Unit Measure0.215 POUNDS PER LINEAR FOOT LBS
Fabrication MethodEXTRUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
9540-00-148-4295 INTERCHANGEABLE
Angle,structural
5330-00-220-6946216185PC5 INTERCHANGEABLE
Seal,plain Encased
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
9540-00-251-1839 INTERCHANGEABLE
Angle,structural
4930-00-262-8870 INTERCHANGEABLE
Oiler,hand
5365-00-307-68161M124 INTERCHANGEABLE
Plug,machine Thread
Mitsubishi Caterpillar Forklift America, Inc
1680-00-461-5983K119 INTERCHANGEABLE
Parts Kit,actuator,
Simmonds Precision Products Inc
5315-00-700-0701 INTERCHANGEABLE
Pin
5330-00-880-0591K475 INTERCHANGEABLE
Gasket
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
5360-01-310-22326013-17 INTERCHANGEABLE
Spring,helical,compression
Woodward Hrt Inc
9540-01-395-2794LS3228 INTERCHANGEABLE
Angle,structural
Lockheed Martin Corp
Cross-Reference Index
Part NumberManufacturer
K11-9 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
60-137 Transtar Metals Corp (USA)
AMS-QQ-A-200/3 Sae International Dba Sae International (USA)
1M124 The Boeing Company Div Defense (USA)
78F Aluminum Co of America (USA)
1503-2732 The Boeing Company Div Defense (USA)
QQA200-3 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
PA3120 Transtar Metals Corp (USA)
AMS-QQ-A-200/3 Society of Automotive Engineers Inc (USA)
Related Parts
9540-00-148-4295INTERCHANGEABLE
ANGLE,STRUCTURAL
5330-00-220-6946INTERCHANGEABLE
SEAL,PLAIN ENCASED
216185PC5
9540-00-251-1839INTERCHANGEABLE
ANGLE,STRUCTURAL
4930-00-262-8870INTERCHANGEABLE
OILER,HAND
5365-00-307-6816INTERCHANGEABLE
PLUG,MACHINE THREAD
1M124
1680-00-461-5983INTERCHANGEABLE
PARTS KIT,ACTUATOR,
K119
5315-00-700-0701INTERCHANGEABLE
PIN
5330-00-880-0591INTERCHANGEABLE
GASKET
K475
5360-01-310-2232INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
6013-17
9540-01-395-2794INTERCHANGEABLE
ANGLE,STRUCTURAL
LS3228
5310-01-416-5326INTERCHANGEABLE
WASHER,SEAL
60137
5845-01-608-1487INTERCHANGEABLE
DETECTING-RANGING SET,SONAR
60-137

Frequently Asked Questions

What is NSN 9540-00-395-6492?

NSN 9540-00-395-6492 is a Angle,structural, manufactured by Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company, classified under FSC 9540 (No Item Name Available). Status: active.

What are the part numbers for NSN 9540-00-395-6492?

NSN 9540-00-395-6492 has 9 cross-referenced part numbers: K11-9 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), 60-137 (Transtar Metals Corp), AMS-QQ-A-200/3 (Sae International Dba Sae International), 1M124 (The Boeing Company Div Defense), 78F (Aluminum Co of America) and 4 more.

What NSN replaces 9540-00-395-6492?

There are 12 known substitutes for 9540-00-395-6492: 9540-00-148-4295, 5330-00-220-6946, 9540-00-251-1839 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of K11-9?

Key specifications for K11-9: Overall Width: 1.000 INCHES NOMINAL IN; First Tip Radius: 0.094 INCHES NOMINAL IN; Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT; Second Tip Style: UPPER RADIUS. 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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