PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

14250-3Angle,structural

International Light Metals Corp Sub of Martin Marietta Corp · NSN 9540-01-231-9399 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-01-231-9399 — this item is cataloged by the U.S. Government under National Stock Number 9540-01-231-9399. Primary manufacturer part number: 14250-3.
Features
  • Angle,structural — FSC 9540
  • Left Side Flange Thickness: 0.080 INCHES NOMINAL IN
  • Basic Shape Style: ANGLE
  • Base Flange Thickness: 0.080 INCHES NOMINAL IN
  • Weight Per Unit Measure: 0.178 POUNDS PER LINEAR FOOT LBS
  • Fillet Radius Where Left Flange Joins Base Flange: 0.125 INCHES NOMINAL IN
  • Left Inside Angle: 80.0 DEGREES NOMINAL
  • Material: ALUMINUM ALLOY
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-01-231-9399, 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 International Light Metals Corp Sub of Martin Marietta Corp. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9540-01-231-9399
Primary Part Number14250-3
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerInternational Light Metals Corp Sub of Martin Marietta Corp
StatusACTIVE
Left Side Flange Thickness0.080 INCHES NOMINAL IN
Basic Shape StyleANGLE
Base Flange Thickness0.080 INCHES NOMINAL IN
Weight Per Unit Measure0.178 POUNDS PER LINEAR FOOT LBS
Fillet Radius Where Left Flange Joins Base Flange0.125 INCHES NOMINAL IN
Left Inside Angle80.0 DEGREES NOMINAL
MaterialALUMINUM ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4820-01-297-803314250-4 INTERCHANGEABLE
Valve,ball
Spectrum Associates, Inc.
2590-01-508-510914250-3 INTERCHANGEABLE
Plate,hook Block Assembly
Breeze-Eastern Llc
Cross-Reference Index
Part NumberManufacturer
14250-3 International Light Metals Corp Sub of Martin Marietta Corp (USA)
S122870 Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector (USA)
S122870 Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA)
Related Parts
4820-01-297-8033INTERCHANGEABLE
VALVE,BALL
14250-4
2590-01-508-5109INTERCHANGEABLE
PLATE,HOOK BLOCK ASSEMBLY
14250-3

Frequently Asked Questions

What is NSN 9540-01-231-9399?

NSN 9540-01-231-9399 is a Angle,structural, manufactured by International Light Metals Corp Sub of Martin Marietta Corp, classified under FSC 9540 (No Item Name Available). Status: active.

What are the part numbers for NSN 9540-01-231-9399?

NSN 9540-01-231-9399 has 3 cross-referenced part numbers: 14250-3 (International Light Metals Corp Sub of Martin Marietta Corp), S122870 (Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector), S122870 (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems).

What NSN replaces 9540-01-231-9399?

There are 2 known substitutes for 9540-01-231-9399: 4820-01-297-8033, 2590-01-508-5109. Verify interchangeability with system specifications before substitution.

What are the specifications of 14250-3?

Key specifications for 14250-3: Left Side Flange Thickness: 0.080 INCHES NOMINAL IN; Basic Shape Style: ANGLE; Base Flange Thickness: 0.080 INCHES NOMINAL IN; Weight Per Unit Measure: 0.178 POUNDS PER LINEAR FOOT LBS. 9 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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