PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PA6745Beam,structural

Transtar Metals Corp · NSN 9540-00-580-6606 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-580-6606 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-580-6606. Primary manufacturer part number: PA6745.
Features
  • Beam,structural — FSC 9540
  • Top Flange Width: 3.130 INCHES NOMINAL IN
  • Heat Treatment: T-6 SOLUTION HEAT TREATED
  • Fillet Radius Where Top Left Flange Joins Web Flange/leg: 0.187 INCHES NOMINAL IN
  • Leg Thickness: 0.170 INCHES NOMINAL IN
  • Left Top Inside Angle: 90.0 DEGREES NOMINAL
  • Left Side Top Flange Distance to Center of Both Flanges: 1.565 INCHES NOMINAL IN
  • Weight Per Unit Measure: 1.750 POUNDS PER LINEAR FOOT LBS
Applications
  • Applications requiring Aluminum Alloy 7075 construction
General Description

The Beam,structural, cataloged under National Stock Number 9540-00-580-6606, 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 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 13 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN9540-00-580-6606
Primary Part NumberPA6745
Item NameBeam,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerTranstar Metals Corp
StatusCANCELLED
Top Flange Width3.130 INCHES NOMINAL IN
Heat TreatmentT-6 SOLUTION HEAT TREATED
Fillet Radius Where Top Left Flange Joins Web Flange/leg0.187 INCHES NOMINAL IN
Leg Thickness0.170 INCHES NOMINAL IN
Left Top Inside Angle90.0 DEGREES NOMINAL
Left Side Top Flange Distance to Center of Both Flanges1.565 INCHES NOMINAL IN
Weight Per Unit Measure1.750 POUNDS PER LINEAR FOOT LBS
Basic Shape StyleT SHAPE
MaterialALUMINUM ALLOY 7075
Right Side Top Flange Distance to Center of Both Flanges1.565 INCHES NOMINAL IN
Nondefinitive Spec/std DataT6 TEMPER
Material Document and ClassificationAMS-Q-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE
Second Tip Relationship to First TipIDENTICAL
Fillet Radius Where Top Right Flange Joins Web Flange/leg0.187 INCHES NOMINAL IN
Fabrication MethodEXTRUDED
Third Tip Relationship to Preceding TipsIDENTICAL W/FIRST TIP
First Tip StyleSQUARE END
Right Top Inside Angle90.0 DEGREES NOMINAL
Right Side Top Flange Thickness0.250 INCHES NOMINAL IN
Left Side Top Flange Thickness0.250 INCHES NOMINAL IN
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5945-00-114-98237685 INTERCHANGEABLE
Relay,thermal
Kurz & Root Generator Company, Llc
2915-00-125-548556380 INTERCHANGEABLE
Impeller,fuel Pump
Hydro-Aire Aerospace Corp
3510-00-467-57441486-7-144 INTERCHANGEABLE
Trunnion Assembly
Ametek Inc Heat Transfer Div
4730-00-476-6444 INTERCHANGEABLE
Union,pipe
4910-00-494-1242T406 INTERCHANGEABLE
Pilot,valve Seat Refacing
Sioux Tools Inc
9540-00-556-8967 INTERCHANGEABLE
Beam,structural
3020-00-752-101630-8-39 INTERCHANGEABLE
Gear,helical
Dana Corp Spicer Transmission Div
6130-00-851-10077685 INTERCHANGEABLE
Power Supply Subassembly
Drs Signal Solutions, Inc.
5340-01-014-0085768-5 INTERCHANGEABLE
Clamp,loop
Transdigm Inc Dba Adel Wiggins Group Div Adel Wiggins
4820-01-088-2975 INTERCHANGEABLE
Valve,linear,directional Control
Cross-Reference Index
Part NumberManufacturer
PA6745 Transtar Metals Corp (USA)
E732502 General Dynamics Corp Convair Div Lindbergh Field Facility (USA)
7685 Alcoa/reynolds Metals Company (USA)
9540PL2112578 Jednolity Indeks Materialowy - Uniform Material Index (POL)
56380 International Light Metals Corp Sub of Martin Marietta Corp (USA)
E732502 Tracor Flight Systems Inc Sub of Tracor Inc (USA)
AMS-QQ-A-200/11 Society of Automotive Engineers Inc (USA)
60-3866 Transtar Metals Corp (USA)
30839 Aluminum Co of America (USA)
T4062 Howmet Corporation Dba Alcoa Howmet, Whitehall, Casting Operations (USA)
LS3495 Lockheed Martin Corp (USA)
QQ-A-200/11 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AMS-QQ-A-200/11 Sae International Dba Sae International (USA)
E732502 Hughes Missile Systems Co San Diego (USA)
Related Parts
5945-00-114-9823INTERCHANGEABLE
RELAY,THERMAL
7685
2915-00-125-5485INTERCHANGEABLE
IMPELLER,FUEL PUMP
56380
3510-00-467-5744INTERCHANGEABLE
TRUNNION ASSEMBLY
1486-7-144
4730-00-476-6444INTERCHANGEABLE
UNION,PIPE
4910-00-494-1242INTERCHANGEABLE
PILOT,VALVE SEAT REFACING
T406
9540-00-556-8967INTERCHANGEABLE
BEAM,STRUCTURAL
3020-00-752-1016INTERCHANGEABLE
GEAR,HELICAL
30-8-39
6130-00-851-1007INTERCHANGEABLE
POWER SUPPLY SUBASSEMBLY
7685
5340-01-014-0085INTERCHANGEABLE
CLAMP,LOOP
768-5
4820-01-088-2975INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
5360-01-146-5995INTERCHANGEABLE
SPRING
5985-01-154-7366INTERCHANGEABLE
DIPLEXER
M1970-1

Frequently Asked Questions

What is NSN 9540-00-580-6606?

NSN 9540-00-580-6606 is a Beam,structural, manufactured by Transtar Metals Corp, classified under FSC 9540 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 9540-00-580-6606?

NSN 9540-00-580-6606 has 14 cross-referenced part numbers: PA6745 (Transtar Metals Corp), E732502 (General Dynamics Corp Convair Div Lindbergh Field Facility), 7685 (Alcoa/reynolds Metals Company), 9540PL2112578 (Jednolity Indeks Materialowy - Uniform Material Index), 56380 (International Light Metals Corp Sub of Martin Marietta Corp) and 9 more.

What NSN replaces 9540-00-580-6606?

There are 12 known substitutes for 9540-00-580-6606: 5945-00-114-9823, 2915-00-125-5485, 3510-00-467-5744 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of PA6745?

Key specifications for PA6745: Top Flange Width: 3.130 INCHES NOMINAL IN; Heat Treatment: T-6 SOLUTION HEAT TREATED; Fillet Radius Where Top Left Flange Joins Web Flange/leg: 0.187 INCHES NOMINAL IN; Leg Thickness: 0.170 INCHES NOMINAL IN. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 9540-00-580-6606 still in active supply?

NSN 9540-00-580-6606 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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