PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PA5520Angle,structural

Transtar Metals Corp · NSN 9540-00-145-7557 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-145-7557 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-145-7557. Primary manufacturer part number: PA5520.
Features
  • Angle,structural — FSC 9540
  • First Tip Style: SQUARE END
  • Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
  • Heat Treatment: T-3511 SOLUTION HEAT TREATED
  • Material Document and Classification: AMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE
  • Left Inside Angle: 90.0 DEGREES NOMINAL
  • Material: ALUMINUM ALLOY 2024
  • Base Flange Thickness: 0.050 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Alloy 2024 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-00-145-7557, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 11 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
NSN9540-00-145-7557
Primary Part NumberPA5520
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerTranstar Metals Corp
StatusACTIVE
First Tip StyleSQUARE END
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Heat TreatmentT-3511 SOLUTION HEAT TREATED
Material Document and ClassificationAMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE
Left Inside Angle90.0 DEGREES NOMINAL
MaterialALUMINUM ALLOY 2024
Base Flange Thickness0.050 INCHES NOMINAL IN
Basic Shape StyleANGLE
Fillet Radius Where Left Flange Joins Base Flange0.050 INCHES NOMINAL IN
Second Tip Relationship to First TipIDENTICAL
Weight Per Unit Measure0.058 POUNDS PER LINEAR FOOT LBS
Nondefinitive Spec/std Data2024 ALLOY AND T3511 TEMPER
Left Side Flange Thickness0.050 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-069-54331-16-23 INTERCHANGEABLE
Packing,preformed
Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products
2520-00-163-241610996 INTERCHANGEABLE
Fork
Komatsu America Corporation
6320-00-224-353810-996 INTERCHANGEABLE
Indicator-Transmitter,ship's Con
L3 Technologies, Inc.
5950-00-442-9466A02ES180-1 INTERCHANGEABLE
Transformer,power Autotransforme
The Boeing Company
5815-00-602-2785SM-C-426563 INTERCHANGEABLE
Bar,t,teletypewriter
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5305-00-736-5517101639 INTERCHANGEABLE
Screw,stepped
Air Logistics Corporation Dba Air Logistics Corp
5995-00-795-10271060381 INTERCHANGEABLE
Cable Assembly,spec
Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
5305-00-851-5992S109 INTERCHANGEABLE
Screw,cap,hexagon Head
Cummins Inc.
5365-00-947-672911623 INTERCHANGEABLE
Shim
Elbitamerica, Inc.
5340-00-961-1548 INTERCHANGEABLE
Latch,rim
Cross-Reference Index
Part NumberManufacturer
PA5520 Transtar Metals Corp (USA)
ASTM B221 American Society for Testing and Materials Dba Astm International (USA)
11623 Aluminum Co of America (USA)
AMS-QQ-A-200/3 Sae International Dba Sae International (USA)
S109 Cessna Aircraft Company Dba Textron Aviation (USA)
QQ-A-200/3 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
101639 Beechcraft Corporation Dba Textron Aviation (USA)
AMS-QQ-A-200/3 Society of Automotive Engineers Inc (USA)
101639 Textron Aviation Inc (USA)
S109 Textron Aviation Inc (USA)
BAC1503-450 The Boeing Company Div Defense (USA)
10996 Alcoa/reynolds Metals Company (USA)
60-11572 Transtar Metals Corp (USA)
Related Parts
5330-00-069-5433INTERCHANGEABLE
PACKING,PREFORMED
1-16-23
2520-00-163-2416INTERCHANGEABLE
FORK
10996
6320-00-224-3538INTERCHANGEABLE
INDICATOR-TRANSMITTER,SHIP'S CON
10-996
5950-00-442-9466INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
A02ES180-1
5815-00-602-2785INTERCHANGEABLE
BAR,T,TELETYPEWRITER
SM-C-426563
5305-00-736-5517INTERCHANGEABLE
SCREW,STEPPED
101639
5995-00-795-1027INTERCHANGEABLE
CABLE ASSEMBLY,SPEC
1060381
5305-00-851-5992INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
S109
5365-00-947-6729INTERCHANGEABLE
SHIM
11623
5340-00-961-1548INTERCHANGEABLE
LATCH,RIM
5950-01-018-3072INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
143054
5950-01-019-5354INTERCHANGEABLE
COIL,RADIO FREQUENCY
989112-77B

Frequently Asked Questions

What is NSN 9540-00-145-7557?

NSN 9540-00-145-7557 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 9540-00-145-7557?

NSN 9540-00-145-7557 has 13 cross-referenced part numbers: PA5520 (Transtar Metals Corp), ASTM B221 (American Society for Testing and Materials Dba Astm International), 11623 (Aluminum Co of America), AMS-QQ-A-200/3 (Sae International Dba Sae International), S109 (Cessna Aircraft Company Dba Textron Aviation) and 8 more.

What NSN replaces 9540-00-145-7557?

There are 12 known substitutes for 9540-00-145-7557: 5330-00-069-5433, 2520-00-163-2416, 6320-00-224-3538 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of PA5520?

Key specifications for PA5520: First Tip Style: SQUARE END; Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT; Heat Treatment: T-3511 SOLUTION HEAT TREATED; Material Document and Classification: AMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE. 15 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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