PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PA5621Angle,structural

Transtar Metals Corp · NSN 9540-00-528-9178 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-528-9178 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-528-9178. Primary manufacturer part number: PA5621.
Features
  • Angle,structural — FSC 9540
  • Second Tip Relationship to First Tip: IDENTICAL
  • Heat Treatment: T-6 SOLUTION HEAT TREATED
  • Material: ALUMINUM ALLOY 7075
  • Base Flange Thickness: 0.063 INCHES NOMINAL IN
  • Fillet Radius Where Left Flange Joins Base Flange: 0.125 INCHES NOMINAL IN
  • Nondefinitive Spec/std Data: 7075 ALLOY AND T6 TEMPER
  • Weight Per Unit Measure: 0.250 POUNDS PER LINEAR FOOT LBS
Applications
  • Applications requiring Aluminum Alloy 7075 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-00-528-9178, 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 Transtar Metals Corp. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9540-00-528-9178
Primary Part NumberPA5621
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerTranstar Metals Corp
StatusACTIVE
Second Tip Relationship to First TipIDENTICAL
Heat TreatmentT-6 SOLUTION HEAT TREATED
MaterialALUMINUM ALLOY 7075
Base Flange Thickness0.063 INCHES NOMINAL IN
Fillet Radius Where Left Flange Joins Base Flange0.125 INCHES NOMINAL IN
Nondefinitive Spec/std Data7075 ALLOY AND T6 TEMPER
Weight Per Unit Measure0.250 POUNDS PER LINEAR FOOT LBS
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Fabrication MethodEXTRUDED
Material Document and ClassificationAMS-Q-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE
Left Side Flange Thickness0.063 INCHES NOMINAL IN
Left Inside Angle90.0 DEGREES NOMINAL
First Tip StyleSQUARE END
Basic Shape StyleANGLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2810-00-118-716722897 INTERCHANGEABLE
Seat
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5950-00-148-830617127 INTERCHANGEABLE
Transformer,power
Robert M. Hadley Company, Inc.
9540-00-227-8821 INTERCHANGEABLE
Beam,structural
5970-00-496-46619B8089 INTERCHANGEABLE
Insulator,bearing
Caterpillar Inc Div Caterpillar Defense
9540-00-508-8784 INTERCHANGEABLE
Angle,structural
5935-00-518-69771060-3024 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Bourns Instruments Inc
5136-00-541-7335 INTERCHANGEABLE
Tap,thread Cutting
9540-00-554-0137 INTERCHANGEABLE
Angle,structural
8120-00-876-1266 INTERCHANGEABLE
Valve,cylinder,gas
5310-00-979-0697 INTERCHANGEABLE
Washer,flat
Cross-Reference Index
Part NumberManufacturer
PA5621 Transtar Metals Corp (USA)
ASTM B221 American Society for Testing and Materials Dba Astm International (USA)
AMS-QQ-A-200/11 Sae International Dba Sae International (USA)
QQ-A-200/11 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
17127 International Light Metals Corp Sub of Martin Marietta Corp (USA)
22897 Alcoa/reynolds Metals Company (USA)
60-5645 Transtar Metals Corp (USA)
AMS-QQ-A-200/11 Society of Automotive Engineers Inc (USA)
Related Parts
2810-00-118-7167INTERCHANGEABLE
SEAT
22897
5950-00-148-8306INTERCHANGEABLE
TRANSFORMER,POWER
17127
9540-00-227-8821INTERCHANGEABLE
BEAM,STRUCTURAL
5970-00-496-4661INTERCHANGEABLE
INSULATOR,BEARING
9B8089
9540-00-508-8784INTERCHANGEABLE
ANGLE,STRUCTURAL
5935-00-518-6977INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
1060-3024
5136-00-541-7335INTERCHANGEABLE
TAP,THREAD CUTTING
9540-00-554-0137INTERCHANGEABLE
ANGLE,STRUCTURAL
8120-00-876-1266INTERCHANGEABLE
VALVE,CYLINDER,GAS
5310-00-979-0697INTERCHANGEABLE
WASHER,FLAT
5342-01-306-0916INTERCHANGEABLE
DEFLECTOR,DIRT
17127
4330-01-558-4528INTERCHANGEABLE
FILTERING DISK,FLUID
17127

Frequently Asked Questions

What is NSN 9540-00-528-9178?

NSN 9540-00-528-9178 is a Angle,structural, manufactured by Transtar Metals Corp, classified under FSC 9540 (No Item Name Available). Status: active.

What are the part numbers for NSN 9540-00-528-9178?

NSN 9540-00-528-9178 has 8 cross-referenced part numbers: PA5621 (Transtar Metals Corp), ASTM B221 (American Society for Testing and Materials Dba Astm International), AMS-QQ-A-200/11 (Sae International Dba Sae International), QQ-A-200/11 (Federal Specifications Promulgated by General Services Administration Washington DC), 17127 (International Light Metals Corp Sub of Martin Marietta Corp) and 3 more.

What NSN replaces 9540-00-528-9178?

There are 12 known substitutes for 9540-00-528-9178: 2810-00-118-7167, 5950-00-148-8306, 9540-00-227-8821 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of PA5621?

Key specifications for PA5621: Second Tip Relationship to First Tip: IDENTICAL; Overall Width: 2.000 INCHES NOMINAL IN; Heat Treatment: T-6 SOLUTION HEAT TREATED; Material: ALUMINUM ALLOY 7075. 16 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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