PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

45277Beam,structural

Aluminum Co of America · NSN 9540-00-528-4788 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-528-4788 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-528-4788. Primary manufacturer part number: 45277.
Features
  • Beam,structural — FSC 9540
  • Fillet Radius Where Top Left Flange Joins Web Flange/leg: 0.130 INCHES NOMINAL IN
  • Heat Treatment: T-6 SOLUTION HEAT TREATED
  • Material: ALUMINUM ALLOY 7075
  • Second Tip Relationship to First Tip: IDENTICAL
  • Right Side Top Flange Distance to Center of Both Flanges: 1.340 INCHES NOMINAL IN
  • Weight Per Unit Measure: 0.350 POUNDS PER LINEAR FOOT LBS
  • Left Side Top Flange Thickness: 0.064 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Alloy 7075 construction
General Description

The Beam,structural, cataloged under National Stock Number 9540-00-528-4788, 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 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9540-00-528-4788
Primary Part Number45277
Item NameBeam,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerAluminum Co of America
StatusACTIVE
Fillet Radius Where Top Left Flange Joins Web Flange/leg0.130 INCHES NOMINAL IN
Heat TreatmentT-6 SOLUTION HEAT TREATED
MaterialALUMINUM ALLOY 7075
Second Tip Relationship to First TipIDENTICAL
Right Side Top Flange Distance to Center of Both Flanges1.340 INCHES NOMINAL IN
Weight Per Unit Measure0.350 POUNDS PER LINEAR FOOT LBS
Left Side Top Flange Thickness0.064 INCHES NOMINAL IN
Left Top Inside Angle90.0 DEGREES NOMINAL
Leg Thickness0.064 INCHES NOMINAL IN
Material Document and ClassificationAMS-Q-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE
Nondefinitive Spec/std DataT6 TEMPER
Fabrication MethodEXTRUDED
Third Tip Relationship to Preceding TipsIDENTICAL W/FIRST TIP
Left Side Top Flange Distance to Center of Both Flanges1.340 INCHES NOMINAL IN
Right Side Top Flange Thickness0.064 INCHES NOMINAL IN
Top Flange Width2.680 INCHES NOMINAL IN
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Fillet Radius Where Top Right Flange Joins Web Flange/leg0.130 INCHES NOMINAL IN
First Tip StyleSQUARE END
Basic Shape StyleT SHAPE
Right Top Inside Angle90.0 DEGREES NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5310-00-084-41328-904 INTERCHANGEABLE
Nut,plain,single Ball Seat,hexag
Pdi Ground Support Systems, Inc.
3455-00-105-599445277-1 INTERCHANGEABLE
Blade,band Saw,metal Cutting
Porter Cable/delta
5970-00-394-3537101A031-3 INTERCHANGEABLE
Insulation Sleeving,electrical,s
Te Connectivity Corporation Dba Raychem Product Division
6680-01-101-645445277 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
4320-01-530-007245277 INTERCHANGEABLE
Impeller,pump,centrifugal
Generac Mobile Products, Llc
8315-01-625-041245277 INTERCHANGEABLE
Pin,safety
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
AMS-STD-184 Sae International Dba Sae International (USA)
AMS-STD-184 Society of Automotive Engineers Inc (USA)
AMS-QQ-A-200/11 Sae International Dba Sae International (USA)
AMS-QQ-A-200/11 Society of Automotive Engineers Inc (USA)
CVS18082 Triumph Aerostructures, Llc Dba Triumph Aerostructures - Vought Integrated Programs Division (USA)
QQA200-11 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
60-7758 Transtar Metals Corp (USA)
45277 PRIMARY Aluminum Co of America (USA)
Related Parts
5310-00-084-4132INTERCHANGEABLE
NUT,PLAIN,SINGLE BALL SEAT,HEXAG
8-904
3455-00-105-5994INTERCHANGEABLE
BLADE,BAND SAW,METAL CUTTING
45277-1
5970-00-394-3537INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL,S
101A031-3
6680-01-101-6454INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
45277
4320-01-530-0072INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
45277
8315-01-625-0412INTERCHANGEABLE
PIN,SAFETY
45277

Frequently Asked Questions

What is NSN 9540-00-528-4788?

NSN 9540-00-528-4788 is a Beam,structural, manufactured by Aluminum Co of America, classified under FSC 9540 (No Item Name Available). Status: active.

What are the part numbers for NSN 9540-00-528-4788?

NSN 9540-00-528-4788 has 8 cross-referenced part numbers: AMS-STD-184 (Sae International Dba Sae International), AMS-STD-184 (Society of Automotive Engineers Inc), AMS-QQ-A-200/11 (Sae International Dba Sae International), AMS-QQ-A-200/11 (Society of Automotive Engineers Inc), CVS18082 (Triumph Aerostructures, Llc Dba Triumph Aerostructures - Vought Integrated Programs Division) and 3 more.

What NSN replaces 9540-00-528-4788?

There are 6 known substitutes for 9540-00-528-4788: 5310-00-084-4132, 3455-00-105-5994, 5970-00-394-3537 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 45277?

Key specifications for 45277: Fillet Radius Where Top Left Flange Joins Web Flange/leg: 0.130 INCHES NOMINAL IN; Heat Treatment: T-6 SOLUTION HEAT TREATED; Material: ALUMINUM ALLOY 7075; Second Tip Relationship to First Tip: IDENTICAL. 22 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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