Material Document and Classification: MIL-T-81556, COMP AB-1 MIL SPEC SINGLE MATERIAL RESPONSE
Left Side Flange Thickness: 0.270 INCHES NOMINAL IN
Basic Shape Style: ANGLE
Fillet Radius Where Left Flange Joins Base Flange: 0.375 INCHES NOMINAL IN
Identification
NSN: 9540-01-453-1853
NIIN: 014531853
FSC: 9540 — Structural Shapes, Nonferrous Base Metal
FSG: 95 — Metal Bars, Sheets, and Shapes
General Description
The Angle,structural, cataloged under National Stock Number 9540-01-453-1853, is classified within Federal Supply Class 9540 (Structural Shapes, Nonferrous Base Metal) of the Metal Bars, Sheets, and Shapes group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
9540-01-453-1853
Item Name
Angle,structural
FSC / FSG
9540 / 95 — Structural Shapes, Nonferrous Base Metal
Status
ACTIVE
Base Flange Thickness
0.190 INCHES NOMINAL IN
Left Side Flange Height
1.940 INCHES NOMINAL IN
Heat Treatment
ANNEALED
Material Document and Classification
MIL-T-81556, COMP AB-1 MIL SPEC SINGLE MATERIAL RESPONSE
Left Side Flange Thickness
0.270 INCHES NOMINAL IN
Basic Shape Style
ANGLE
Fillet Radius Where Left Flange Joins Base Flange
0.375 INCHES NOMINAL IN
Nondefinitive Spec/std Data
6AL-4V COMPOSITION AND ANNEALED CONDITION V
Left Inside Angle
95.0 DEGREES NOMINAL
Material
TITANIUM ALLOY
Fabrication Method
EXTRUDED
First Tip Style
SQUARE END
Second Tip Relationship to First Tip
IDENTICAL
Base Flange Width
5.404 INCHES NOMINAL IN
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
CVC10002-102GA
3/2Design control — primary reference
U.S. Government activity
MIL-T-81556
4/1Identification 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
Related Parts in Metal Bars, Sheets, and Shapes
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
K20A80T3511
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 9540-01-453-1853?
NSN 9540-01-453-1853 is a Angle,structural, classified under FSC 9540, Structural Shapes, Nonferrous Base Metal. Status: active.
What are the specifications of 9540-01-453-1853?
Key specifications for 9540-01-453-1853: Overall Height: 2.200 INCHES NOMINAL IN; Base Flange Thickness: 0.190 INCHES NOMINAL IN; Left Side Flange Height: 1.940 INCHES NOMINAL IN; Heat Treatment: ANNEALED. 14 specifications are documented in the U.S. Government catalog.
Is NSN 9540-01-453-1853 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.