NSN 9540-01-003-4339 · NIIN 010034339 · Part number 1M7557
The Boeing Company Div Defense · FSC 9540 — Structural Shapes, Nonferrous Base Metal · FSG 95 — Metal Bars, Sheets, and Shapes · CAGE 76301
Government record, cited
NSN 9540-01-003-4339 — this item is cataloged by the U.S. Government under National Stock Number 9540-01-003-4339. Manufacturer of record part number: 1M7557.
Also searched as9540-01-003-4339 ·
9540010034339 ·
NIIN 010034339 ·
01-003-4339 ·
FSC 9540 Structural Shapes, Nonferrous Base Metal · CAGE 76301 · 1M7557
Heat Treatment: T-6510 SOLUTION HEAT TREATED AND STRESS RELIEVED BY STRETCHING
Material Document and Classification: QQ-A-200/13 FED SPEC SINGLE MATERIAL RESPONSE
Weight Per Unit Measure: 0.353 POUNDS PER LINEAR FOOT LBS
Material: ALUMINUM ALLOY 7178
Fabrication Method: EXTRUDED
1 manufacturer part number on file
Manufacturer of record: The Boeing Company Div Defense
Identification
NSN: 9540-01-003-4339
NIIN: 010034339
FSC: 9540 — Structural Shapes, Nonferrous Base Metal
FSG: 95 — Metal Bars, Sheets, and Shapes
Primary part number: 1M7557
Manufacturer: The Boeing Company Div Defense
General Description
The Structural Section,special Shape, cataloged under National Stock Number 9540-01-003-4339, is classified within Federal Supply Class 9540 (Structural Shapes, Nonferrous Base Metal) of the Metal Bars, Sheets, and Shapes group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
9540-01-003-4339
Primary Part Number
1M7557
Item Name
Structural Section,special Shape
FSC / FSG
9540 / 95 — Structural Shapes, Nonferrous Base Metal
Manufacturer
The Boeing Company Div Defense
Status
ACTIVE
Heat Treatment
T-6510 SOLUTION HEAT TREATED AND STRESS RELIEVED BY STRETCHING
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 9540-01-003-4339?
NSN 9540-01-003-4339 is a Structural Section,special Shape, manufactured by The Boeing Company Div Defense, classified under FSC 9540, Structural Shapes, Nonferrous Base Metal. Status: active.
What part numbers are listed for NSN 9540-01-003-4339?
NSN 9540-01-003-4339 has 1 manufacturer part number on file: 1M7557 (The Boeing Company Div Defense).
What are the specifications of 1M7557?
Key specifications for 1M7557: Heat Treatment: T-6510 SOLUTION HEAT TREATED AND STRESS RELIEVED BY STRETCHING; Material Document and Classification: QQ-A-200/13 FED SPEC SINGLE MATERIAL RESPONSE; Weight Per Unit Measure: 0.353 POUNDS PER LINEAR FOOT LBS; Material: ALUMINUM ALLOY 7178. 5 specifications are documented in the U.S. Government catalog.
Is NSN 9540-01-003-4339 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.