FSC: 9540 — Structural Shapes, Nonferrous Base Metal
FSG: 95 — Metal Bars, Sheets, and Shapes
General Description
The Structural Section,special Shape, cataloged under National Stock Number 9540-01-485-2171, is classified within Federal Supply Class 9540 (Structural Shapes, Nonferrous Base Metal) of the Metal Bars, Sheets, and Shapes group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
9540-01-485-2171
Item Name
Structural Section,special Shape
FSC / FSG
9540 / 95 — Structural Shapes, Nonferrous Base Metal
Status
ACTIVE
Length
240.000 INCHES NOMINAL IN
Heat Treatment
T-76511 SOLUTION HEAT TREATED
Fabrication Method
EXTRUDED
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
⇄Related Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
9540-01-496-8797POSSIBLE MATCH
ANGLE,STRUCTURAL
Possible match (shared part number)
9540-01-496-8801POSSIBLE MATCH
ANGLE,STRUCTURAL
Possible match (shared part number)
9540-01-496-8807POSSIBLE MATCH
ANGLE,STRUCTURAL
Possible match (shared part number)
9540-01-496-9264POSSIBLE MATCH
BEAM,STRUCTURAL
Possible match (shared part number)
9540-01-496-9269POSSIBLE MATCH
BEAM,STRUCTURAL
Possible match (shared part number)
9540-01-511-05551D1823BPOSSIBLE MATCH
STRUCTURAL SECTION,SPECIAL SHAPE
Possible match (shared part number)The Boeing Company
9540-01-545-83761D0990BPOSSIBLE MATCH
BEAM,STRUCTURAL
Possible match (shared part number)The Boeing Company
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
1D0952B
3/2Design control — primary reference
U.S. Government activity
DMS 2227
3/1Design control — primary reference
U.S. Government activity
0540B5-1D0952
C/1Advisory reference — outside the item-of-supply concept
U.S. Government activity
Related Parts
9540-01-496-8797POSSIBLE MATCH
ANGLE,STRUCTURAL
9540-01-496-8801POSSIBLE MATCH
ANGLE,STRUCTURAL
9540-01-496-8807POSSIBLE MATCH
ANGLE,STRUCTURAL
9540-01-496-9264POSSIBLE MATCH
BEAM,STRUCTURAL
9540-01-496-9269POSSIBLE MATCH
BEAM,STRUCTURAL
9540-01-511-0555POSSIBLE MATCH
STRUCTURAL SECTION,SPECIAL SHAPE
1D1823B
9540-01-545-8376POSSIBLE MATCH
BEAM,STRUCTURAL
1D0990B
Frequently Asked Questions
What is NSN 9540-01-485-2171?
NSN 9540-01-485-2171 is a Structural Section,special Shape, classified under FSC 9540, Structural Shapes, Nonferrous Base Metal. Status: active.
What NSN replaces 9540-01-485-2171?
7 possible matches (shared part number, not a government interchangeability claim): 9540-01-496-8797, 9540-01-496-8801, 9540-01-496-8807. Verify interchangeability with system specifications before substitution.
What are the specifications of 9540-01-485-2171?
Key specifications for 9540-01-485-2171: Length: 240.000 INCHES NOMINAL IN; Heat Treatment: T-76511 SOLUTION HEAT TREATED; Special Features: ALUMINUM ALLOY, DMS 2227, ALLOY 7050; End Item Identification: C17-AIRCRAFT. 3 specifications are documented in the U.S. Government catalog.
Is NSN 9540-01-485-2171 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.