PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

34657Beam,structural

Alcoa/reynolds Metals Company · NSN 9540-00-133-6609 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-133-6609 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-133-6609. Primary manufacturer part number: 34657.
Features
  • Beam,structural — FSC 9540
  • Left Side Top Flange Distance to Center of Both Flanges: 1.125 INCHES NOMINAL IN
  • Right Side Top Flange Distance to Center of Both Flanges: 1.125 INCHES NOMINAL IN
  • Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
  • Fillet Radius Where Top Right Flange Joins Web Flange/leg: 0.130 INCHES NOMINAL IN
  • Weight Per Unit Measure: 0.310 POUNDS PER LINEAR FOOT LBS
  • Material: ALUMINUM ALLOY 7075
  • Fillet Radius Where Top Left Flange Joins Web Flange/leg: 0.130 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Alloy 7075 construction
General Description

The Beam,structural, cataloged under National Stock Number 9540-00-133-6609, 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 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9540-00-133-6609
Primary Part Number34657
Item NameBeam,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerAlcoa/reynolds Metals Company
StatusACTIVE
Left Side Top Flange Distance to Center of Both Flanges1.125 INCHES NOMINAL IN
Right Side Top Flange Distance to Center of Both Flanges1.125 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
Weight Per Unit Measure0.310 POUNDS PER LINEAR FOOT LBS
MaterialALUMINUM ALLOY 7075
Fillet Radius Where Top Left Flange Joins Web Flange/leg0.130 INCHES NOMINAL IN
Second Tip Relationship to First TipIDENTICAL
Third Tip Relationship to Preceding TipsIDENTICAL W/FIRST TIP
Left Top Inside Angle90.0 DEGREES NOMINAL
First Tip StyleSQUARE END
Nondefinitive Spec/std Data7075 ALLOY AND T6 TEMPER OR T6511 TEMPER
Top Flange Width2.250 INCHES NOMINAL IN
Heat TreatmentT-6 SOLUTION HEAT TREATED OR T-6511 SOLUTION HEAT TREATED
Leg Thickness0.064 INCHES NOMINAL IN
Material Document and ClassificationAMS-Q-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE
Right Top Inside Angle90.0 DEGREES NOMINAL
Basic Shape StyleT SHAPE
Right Side Top Flange Thickness0.064 INCHES NOMINAL IN
Left Side Top Flange Thickness0.064 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5905-00-141-1183 INTERCHANGEABLE
Resistor,fixed,composition
5133-00-241-578734657 INTERCHANGEABLE
Drill,twist
Viking Drill and Tool Inc
5355-01-298-650734657 INTERCHANGEABLE
Window,dial
Aerosonic Llc
Cross-Reference Index
Part NumberManufacturer
34657 Alcoa/reynolds Metals Company (USA)
40-010-11E Bell Textron Inc (USA)
40-010-11 Bell Textron Inc (USA)
AMS-QQ-A-200/11 Society of Automotive Engineers Inc (USA)
AMS-QQ-A-200/11 Sae International Dba Sae International (USA)
Related Parts
5905-00-141-1183INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5133-00-241-5787INTERCHANGEABLE
DRILL,TWIST
34657
5355-01-298-6507INTERCHANGEABLE
WINDOW,DIAL
34657

Frequently Asked Questions

What is NSN 9540-00-133-6609?

NSN 9540-00-133-6609 is a Beam,structural, manufactured by Alcoa/reynolds Metals Company, classified under FSC 9540 (No Item Name Available). Status: active.

What are the part numbers for NSN 9540-00-133-6609?

NSN 9540-00-133-6609 has 5 cross-referenced part numbers: 34657 (Alcoa/reynolds Metals Company), 40-010-11E (Bell Textron Inc), 40-010-11 (Bell Textron Inc), AMS-QQ-A-200/11 (Society of Automotive Engineers Inc), AMS-QQ-A-200/11 (Sae International Dba Sae International).

What NSN replaces 9540-00-133-6609?

There are 3 known substitutes for 9540-00-133-6609: 5905-00-141-1183, 5133-00-241-5787, 5355-01-298-6507. Verify interchangeability with system specifications before substitution.

What are the specifications of 34657?

Key specifications for 34657: Left Side Top Flange Distance to Center of Both Flanges: 1.125 INCHES NOMINAL IN; Right Side Top Flange Distance to Center of Both Flanges: 1.125 INCHES NOMINAL IN; Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT; Overall Height: 1.750 INCHES NOMINAL IN. 21 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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