PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11639Angle,structural

Aluminum Co of America · NSN 9540-01-378-4885 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-01-378-4885 — this item is cataloged by the U.S. Government under National Stock Number 9540-01-378-4885. Primary manufacturer part number: 11639.
Features
  • Angle,structural — FSC 9540
  • Heat Treatment: T-6 SOLUTION HEAT TREATED
  • Nondefinitive Spec/std Data: T6 TEMPER
  • Material: ALUMINUM ALLOY 7075
  • Material Document and Classification: QQ-A-200/11 FED SPEC 1ST MATERIAL RESPONSE
  • 4 verified cross-references
  • Primary manufacturer: Aluminum Co of America
Applications
  • Applications requiring Aluminum Alloy 7075 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-01-378-4885, 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 Aluminum Co of America. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9540-01-378-4885
Primary Part Number11639
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerAluminum Co of America
StatusACTIVE
Heat TreatmentT-6 SOLUTION HEAT TREATED
Nondefinitive Spec/std DataT6 TEMPER
MaterialALUMINUM ALLOY 7075
Material Document and ClassificationQQ-A-200/11 FED SPEC 1ST MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
9540-00-145-573160-8684 INTERCHANGEABLE
Angle,structural
Transtar Metals Corp
5330-00-245-542417265A INTERCHANGEABLE
Gasket
Brinkley Technology Group Llc Dba Hercules Manufacturing
5955-00-267-715611639 INTERCHANGEABLE
Retainer,crystal Holder
Entron Industries Limited Partnership Dba Entron Industries Property Div
5950-00-589-085811639 INTERCHANGEABLE
Coil,radio Frequency
Drs Signal Solutions, Inc.
5340-00-652-5679SM-B-187808 INTERCHANGEABLE
Standoff,threaded,spacing
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5999-01-032-8215396220-2 INTERCHANGEABLE
Wire Mesh,knitted
L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
3120-01-205-572111639 INTERCHANGEABLE
Bushing,sleeve
Leslie Controls, Inc. Dba Leslie Controls Inc
3020-01-213-4661 INTERCHANGEABLE
Pulley,groove
Cross-Reference Index
Part NumberManufacturer
11639 PRIMARY Aluminum Co of America (USA)
AMS-QQ-A-200/11 Sae International Dba Sae International (USA)
AMS-QQ-A-200/11 Society of Automotive Engineers Inc (USA)
QQ-A-200/11 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
9540-00-145-5731INTERCHANGEABLE
ANGLE,STRUCTURAL
60-8684
5330-00-245-5424INTERCHANGEABLE
GASKET
17265A
5955-00-267-7156INTERCHANGEABLE
RETAINER,CRYSTAL HOLDER
11639
5950-00-589-0858INTERCHANGEABLE
COIL,RADIO FREQUENCY
11639
5340-00-652-5679INTERCHANGEABLE
STANDOFF,THREADED,SPACING
SM-B-187808
5999-01-032-8215INTERCHANGEABLE
WIRE MESH,KNITTED
396220-2
3120-01-205-5721INTERCHANGEABLE
BUSHING,SLEEVE
11639
3020-01-213-4661INTERCHANGEABLE
PULLEY,GROOVE

Frequently Asked Questions

What is NSN 9540-01-378-4885?

NSN 9540-01-378-4885 is a Angle,structural, manufactured by Aluminum Co of America, classified under FSC 9540 (No Item Name Available). Status: active.

What are the part numbers for NSN 9540-01-378-4885?

NSN 9540-01-378-4885 has 4 cross-referenced part numbers: 11639 (Aluminum Co of America), AMS-QQ-A-200/11 (Sae International Dba Sae International), AMS-QQ-A-200/11 (Society of Automotive Engineers Inc), QQ-A-200/11 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 9540-01-378-4885?

There are 8 known substitutes for 9540-01-378-4885: 9540-00-145-5731, 5330-00-245-5424, 5955-00-267-7156 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11639?

Key specifications for 11639: Heat Treatment: T-6 SOLUTION HEAT TREATED; Nondefinitive Spec/std Data: T6 TEMPER; Material: ALUMINUM ALLOY 7075; Material Document and Classification: QQ-A-200/11 FED SPEC 1ST MATERIAL RESPONSE. 5 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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