Second Tip Relationship to First Tip: NOT IDENTICAL
Second Tip Style: LEFT QUARTER RADIUS
Identification
NSN: 9540-01-581-4229
NIIN: 015814229
FSC: 9540 — Structural Shapes, Nonferrous Base Metal
FSG: 95 — Metal Bars, Sheets, and Shapes
General Description
The Angle,structural, cataloged under National Stock Number 9540-01-581-4229, is classified within Federal Supply Class 9540 (Structural Shapes, Nonferrous Base Metal) of the Metal Bars, Sheets, and Shapes group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
9540-01-581-4229
Item Name
Angle,structural
FSC / FSG
9540 / 95 — Structural Shapes, Nonferrous Base Metal
Status
ACTIVE
Base Flange Thickness
0.125 INCHES NOMINAL IN
Material
ALUMINUM ALLOY
Fabrication Method
EXTRUDED
First Tip Style
RIGHT BULBOUS
Second Tip Relationship to First Tip
NOT IDENTICAL
Second Tip Style
LEFT QUARTER RADIUS
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
LS982
3/2Design control — primary reference
U.S. Government activity
No interchangeability data on file.
Other items in FSC 9540 — Structural Shapes, Nonferrous Base Metal
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
9540-00-001-5119
BEAM,STRUCTURAL
9540-00-001-5122
9540-00-001-5122 · Item name not on file
9540-00-001-5123
9540-00-001-5123 · Item name not on file
9540-00-001-5135
CHANNEL,STRUCTURAL
9540-00-001-6756
9540-00-001-6756 · Item name not on file
9540-00-003-9517
9540-00-003-9517 · Item name not on file
9540-00-003-9539
CHANNEL,STRUCTURAL
9540-00-004-5243
ANGLE,STRUCTURAL
Frequently Asked Questions
What is NSN 9540-01-581-4229?
NSN 9540-01-581-4229 is a Angle,structural, classified under FSC 9540, Structural Shapes, Nonferrous Base Metal. Status: active.
What are the specifications of 9540-01-581-4229?
Key specifications for 9540-01-581-4229: Overall Height: 2.250 INCHES NOMINAL IN; Base Flange Thickness: 0.125 INCHES NOMINAL IN; Overall Width: 1.250 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: BULB SECTION, EXTRUDED. 6 specifications are documented in the U.S. Government catalog.
Is NSN 9540-01-581-4229 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.