PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28729-BBeam,structural

Alcoa/reynolds Metals Company · NSN 9540-01-014-1300 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-01-014-1300 — this item is cataloged by the U.S. Government under National Stock Number 9540-01-014-1300. Primary manufacturer part number: 28729-B.
Features
  • Beam,structural — FSC 9540
  • Weight Per Unit Measure: 4.501 POUNDS PER LINEAR FOOT LBS
  • Length: 20.000 FEET MINIMUM AND 30.000 FEET MAXIMUM FT
  • Material: ALUMINUM ALLOY 5456
  • Leg Thickness: 0.258 INCHES NOMINAL IN
  • Fabrication Method: EXTRUDED
  • Right Side Top Flange Distance to Center of Both Flanges: 2.375 INCHES NOMINAL IN
  • Left Side Top Flange Distance to Center of Both Flanges: 2.375 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Alloy 5456 construction
General Description

The Beam,structural, cataloged under National Stock Number 9540-01-014-1300, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 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
NSN9540-01-014-1300
Primary Part Number28729-B
Item NameBeam,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerAlcoa/reynolds Metals Company
StatusACTIVE
Weight Per Unit Measure4.501 POUNDS PER LINEAR FOOT LBS
Length20.000 FEET MINIMUM AND 30.000 FEET MAXIMUM FT
MaterialALUMINUM ALLOY 5456
Leg Thickness0.258 INCHES NOMINAL IN
Fabrication MethodEXTRUDED
Right Side Top Flange Distance to Center of Both Flanges2.375 INCHES NOMINAL IN
Left Side Top Flange Distance to Center of Both Flanges2.375 INCHES NOMINAL IN
Right Side Top Flange Thickness0.396 INCHES NOMINAL IN
Heat TreatmentH-111 STRAIN HARDENED
Nondefinitive Spec/std DataH111 TEMPER
Material Document and ClassificationAMS-QQ-A-200/7 FED SPEC SINGLE MATERIAL RESPONSE
Right Top Inside Angle90.0 DEGREES NOMINAL
Top Flange Width4.750 INCHES NOMINAL IN
Left Side Top Flange Thickness0.396 INCHES NOMINAL IN
Basic Shape StyleT SHAPE
Left Top Inside Angle90.0 DEGREES NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5365-00-376-719128729 INTERCHANGEABLE
Plug,machine Thread
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5905-00-494-4622 INTERCHANGEABLE
Resistor,fixed,composition
4730-00-930-770328729 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Hdt Expeditionary Systems Inc
Cross-Reference Index
Part NumberManufacturer
28729-B Alcoa/reynolds Metals Company (USA)
0T7040 Taber Extrusions, Llc (USA)
QQ-A-200/7 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AMS-QQ-A-200/7 Sae International Dba Sae International (USA)
28729 Ryerson Joseph T and Son Inc Sub of Inland Steel Corp (USA)
60-20834 Transtar Metals Corp (USA)
AMS-QQ-A-200/7 Society of Automotive Engineers Inc (USA)
Related Parts
5365-00-376-7191INTERCHANGEABLE
PLUG,MACHINE THREAD
28729
5905-00-494-4622INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
4730-00-930-7703INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
28729

Frequently Asked Questions

What is NSN 9540-01-014-1300?

NSN 9540-01-014-1300 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 9540-01-014-1300?

NSN 9540-01-014-1300 has 7 cross-referenced part numbers: 28729-B (Alcoa/reynolds Metals Company), 0T7040 (Taber Extrusions, Llc), QQ-A-200/7 (Federal Specifications Promulgated by General Services Administration Washington DC), AMS-QQ-A-200/7 (Sae International Dba Sae International), 28729 (Ryerson Joseph T and Son Inc Sub of Inland Steel Corp) and 2 more.

What NSN replaces 9540-01-014-1300?

There are 3 known substitutes for 9540-01-014-1300: 5365-00-376-7191, 5905-00-494-4622, 4730-00-930-7703. Verify interchangeability with system specifications before substitution.

What are the specifications of 28729-B?

Key specifications for 28729-B: Weight Per Unit Measure: 4.501 POUNDS PER LINEAR FOOT LBS; Length: 20.000 FEET MINIMUM AND 30.000 FEET MAXIMUM FT; Material: ALUMINUM ALLOY 5456; Leg Thickness: 0.258 INCHES NOMINAL IN. 17 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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