PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16649Angle,structural

Alcoa/reynolds Metals Company · NSN 9540-00-175-3542 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-175-3542 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-175-3542. Primary manufacturer part number: 16649.
Features
  • Angle,structural — FSC 9540
  • Fabrication Method: EXTRUDED
  • Second Tip Relationship to First Tip: IDENTICAL
  • Material: ALUMINUM ALLOY 7075
  • Weight Per Unit Measure: 0.247 POUNDS PER LINEAR FOOT LBS
  • Fillet Radius Where Left Flange Joins Base Flange: 0.125 INCHES NOMINAL IN
  • Material: ALUMINUM ALLOY 7075
  • Basic Shape Style: ANGLE
Applications
  • Applications requiring Aluminum Alloy 7075 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-00-175-3542, 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 Alcoa/reynolds Metals Company. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9540-00-175-3542
Primary Part Number16649
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerAlcoa/reynolds Metals Company
StatusACTIVE
Fabrication MethodEXTRUDED
Second Tip Relationship to First TipIDENTICAL
MaterialALUMINUM ALLOY 7075
Weight Per Unit Measure0.247 POUNDS PER LINEAR FOOT LBS
Fillet Radius Where Left Flange Joins Base Flange0.125 INCHES NOMINAL IN
MaterialALUMINUM ALLOY 7075
Basic Shape StyleANGLE
Left Side Flange Thickness0.125 INCHES NOMINAL IN
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Nondefinitive Spec/std Data7075 ALLOY AND T6 TEMPER
First Tip StyleSQUARE END
Heat TreatmentT-6 SOLUTION HEAT TREATED
Base Flange Thickness0.080 INCHES NOMINAL IN
Material Document and ClassificationAMS-Q-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE
Material Document and ClassificationAMS-Q-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE
Left Side Flange Thickness0.125 INCHES NOMINAL IN
Nondefinitive Spec/std Data7075 ALLOY AND T6 TEMPER
Left Inside Angle90.0 DEGREES NOMINAL
Second Tip Relationship to First TipIDENTICAL
First Tip StyleSQUARE END
Base Flange Thickness0.080 INCHES NOMINAL IN
Fillet Radius Where Left Flange Joins Base Flange0.125 INCHES NOMINAL IN
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Basic Shape StyleANGLE
Heat TreatmentT-6 SOLUTION HEAT TREATED
Left Inside Angle90.0 DEGREES NOMINAL
Weight Per Unit Measure0.247 POUNDS PER LINEAR FOOT LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2910-00-030-3580 INTERCHANGEABLE
Parts Kit,carburetor
5310-00-139-6551 INTERCHANGEABLE
Washer,special
4820-00-342-4799 INTERCHANGEABLE
Valve,safety Relief
1450-00-393-0023 INTERCHANGEABLE
Retainer
6130-01-258-8742 INTERCHANGEABLE
Power Supply
5130-01-533-897216649 INTERCHANGEABLE
Mandrel,riveter,blind
Gage Bilt, Inc.
6515-01-591-6708242.802 INTERCHANGEABLE
Bone Plate
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
16649 Alcoa/reynolds Metals Company (USA)
AMS-QQ-A-200/11 Sae International Dba Sae International (USA)
PA14694 Transtar Metals Corp (USA)
QQ-A-200/11 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AMS-QQ-A-200/11 Society of Automotive Engineers Inc (USA)
LS6365 Lockheed Martin Corp (USA)
ASTM B221 American Society for Testing and Materials Dba Astm International (USA)
Related Parts
2910-00-030-3580INTERCHANGEABLE
PARTS KIT,CARBURETOR
5310-00-139-6551INTERCHANGEABLE
WASHER,SPECIAL
4820-00-342-4799INTERCHANGEABLE
VALVE,SAFETY RELIEF
1450-00-393-0023INTERCHANGEABLE
RETAINER
6130-01-258-8742INTERCHANGEABLE
POWER SUPPLY
5130-01-533-8972INTERCHANGEABLE
MANDREL,RIVETER,BLIND
16649
6515-01-591-6708INTERCHANGEABLE
BONE PLATE
242.802

Frequently Asked Questions

What is NSN 9540-00-175-3542?

NSN 9540-00-175-3542 is a Angle,structural, manufactured by Alcoa/reynolds Metals Company, classified under FSC 9540 (No Item Name Available). Status: active.

What are the part numbers for NSN 9540-00-175-3542?

NSN 9540-00-175-3542 has 7 cross-referenced part numbers: 16649 (Alcoa/reynolds Metals Company), AMS-QQ-A-200/11 (Sae International Dba Sae International), PA14694 (Transtar Metals Corp), QQ-A-200/11 (Federal Specifications Promulgated by General Services Administration Washington DC), AMS-QQ-A-200/11 (Society of Automotive Engineers Inc) and 2 more.

What NSN replaces 9540-00-175-3542?

There are 7 known substitutes for 9540-00-175-3542: 2910-00-030-3580, 5310-00-139-6551, 4820-00-342-4799 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 16649?

Key specifications for 16649: Fabrication Method: EXTRUDED; Second Tip Relationship to First Tip: IDENTICAL; Overall Height: 1.000 INCHES NOMINAL IN; Material: ALUMINUM ALLOY 7075. 30 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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