PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5779Beam,structural

Reynolds Metals Co · NSN 9540-00-555-0815 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-555-0815 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-555-0815. Primary manufacturer part number: 5779.
Features
  • Beam,structural — FSC 9540
  • Leg Thickness: 0.125 INCHES NOMINAL IN
  • First Tip Style: LOWER RADIUS
  • Right Side Top Flange Distance to Center of Both Flanges: 1.000 INCHES NOMINAL IN
  • Left Side Top Flange Thickness: 0.125 INCHES NOMINAL IN
  • Material: ALUMINUM ALLOY 7075
  • Fabrication Method: EXTRUDED
  • Second Tip Relationship to First Tip: IDENTICAL
Applications
  • Applications requiring Aluminum Alloy 7075 construction
General Description

The Beam,structural, cataloged under National Stock Number 9540-00-555-0815, 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 Reynolds Metals Co. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 8 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
NSN9540-00-555-0815
Primary Part Number5779
Item NameBeam,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerReynolds Metals Co
StatusCANCELLED
Leg Thickness0.125 INCHES NOMINAL IN
First Tip StyleLOWER RADIUS
Right Side Top Flange Distance to Center of Both Flanges1.000 INCHES NOMINAL IN
Left Side Top Flange Thickness0.125 INCHES NOMINAL IN
MaterialALUMINUM ALLOY 7075
Fabrication MethodEXTRUDED
Second Tip Relationship to First TipIDENTICAL
Third Tip StyleFULL RADIUS
Heat TreatmentO-ANNEALED
First Tip Radius0.125 INCHES NOMINAL IN
Nondefinitive Spec/std DataO TEMPER
Material Document and ClassificationAMS-Q-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE
Third Tip Relationship to Preceding TipsNOT IDENTICAL
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Left Top Inside Angle90.0 DEGREES NOMINAL
Weight Per Unit Measure0.467 POUNDS PER LINEAR FOOT LBS
Fillet Radius Where Top Left Flange Joins Web Flange/leg0.125 INCHES NOMINAL IN
Top Flange Width2.000 INCHES NOMINAL IN
Left Side Top Flange Distance to Center of Both Flanges1.000 INCHES NOMINAL IN
Right Side Top Flange Thickness0.125 INCHES NOMINAL IN
Right Top Inside Angle90.0 DEGREES NOMINAL
Third Tip Radius0.062 INCHES NOMINAL IN
Fillet Radius Where Top Right Flange Joins Web Flange/leg0.125 INCHES NOMINAL IN
Basic Shape StyleT SHAPE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5330-00-114-20488406-0175 INTERCHANGEABLE
Packing,preformed
Parker-Hannifin Corporation Div Engineered Polymer Systems Division (eps)
2810-00-118-525140176 INTERCHANGEABLE
Screen Assembly,carburetor
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
1680-00-166-58815779 INTERCHANGEABLE
Tube,siphon Carbon
Kidde Technologies, Inc Div Kidde Aerospace and Defense
5360-00-201-0324 INTERCHANGEABLE
Spring,helical,compression
9540-00-261-5117 INTERCHANGEABLE
Beam,structural
9540-00-261-5145 INTERCHANGEABLE
Beam,structural
4730-00-289-3258182-221 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Dresser Industries Inc Leroi Div
4820-01-091-286150199-02 INTERCHANGEABLE
Thermostatic Element,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
5975-01-097-4699 INTERCHANGEABLE
Panel,blank
4820-01-148-942340176-105 INTERCHANGEABLE
Valve,regulating,temperature
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
5779 Reynolds Metals Co (USA)
AMS-QQ-A-200/11 Society of Automotive Engineers Inc (USA)
FS50104-2012-2 Hiller Aircraft Corporation (USA)
AND10136-2006 Airforce-Navy Aeronautical Design Standard
QQ-A-200/11 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AMS10136-2006 Sae International Dba Sae International (USA)
AMS10136-2006 Society of Automotive Engineers Inc (USA)
HT197 Kaiser Aluminum and Chemical Corp Trentwood Works-Marketing Dept (USA)
40176 Bohn Aluminum and Brass Co Div of Gulf and Western Mfg Co Sub of Gulf and Western Industries (USA)
AMS-QQ-A-200/11 Sae International Dba Sae International (USA)
Related Parts
5330-00-114-2048INTERCHANGEABLE
PACKING,PREFORMED
8406-0175
2810-00-118-5251INTERCHANGEABLE
SCREEN ASSEMBLY,CARBURETOR
40176
1680-00-166-5881INTERCHANGEABLE
TUBE,SIPHON CARBON
5779
5360-00-201-0324INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
9540-00-261-5117INTERCHANGEABLE
BEAM,STRUCTURAL
9540-00-261-5145INTERCHANGEABLE
BEAM,STRUCTURAL
4730-00-289-3258INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
182-221
4820-01-091-2861INTERCHANGEABLE
THERMOSTATIC ELEMENT,VALVE
50199-02
5975-01-097-4699INTERCHANGEABLE
PANEL,BLANK
4820-01-148-9423INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40176-105
4820-01-199-6652INTERCHANGEABLE
PACKING CHAMBER,VALVES
302-02
4820-01-203-8945INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
50158-03

Frequently Asked Questions

What is NSN 9540-00-555-0815?

NSN 9540-00-555-0815 is a Beam,structural, manufactured by Reynolds Metals Co, classified under FSC 9540 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 9540-00-555-0815?

NSN 9540-00-555-0815 has 10 cross-referenced part numbers: 5779 (Reynolds Metals Co), AMS-QQ-A-200/11 (Society of Automotive Engineers Inc), FS50104-2012-2 (Hiller Aircraft Corporation), AND10136-2006 (Airforce-Navy Aeronautical Design Standard), QQ-A-200/11 (Federal Specifications Promulgated by General Services Administration Washington DC) and 5 more.

What NSN replaces 9540-00-555-0815?

There are 12 known substitutes for 9540-00-555-0815: 5330-00-114-2048, 2810-00-118-5251, 1680-00-166-5881 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5779?

Key specifications for 5779: Leg Thickness: 0.125 INCHES NOMINAL IN; First Tip Style: LOWER RADIUS; Right Side Top Flange Distance to Center of Both Flanges: 1.000 INCHES NOMINAL IN; Left Side Top Flange Thickness: 0.125 INCHES NOMINAL IN. 25 total characteristics are documented in the Federal Logistics Information System.

Is NSN 9540-00-555-0815 still in active supply?

NSN 9540-00-555-0815 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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