PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18148Beam,structural

Alcoa/reynolds Metals Company · NSN 9540-00-905-3602 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-905-3602 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-905-3602. Primary manufacturer part number: 18148.
Features
  • Beam,structural — FSC 9540
  • Left Top Inside Angle: 90.0 DEGREES NOMINAL
  • Web Flange Thickness: 0.064 INCHES NOMINAL IN
  • Fillet Radius Where Bottom Right Flange Joins Web Flange/leg: 0.120 INCHES NOMINAL IN
  • Material: ALUMINUM ALLOY 7075
  • Second Tip Relationship to First Tip: IDENTICAL
  • Nondefinitive Spec/std Data: T6 TEMPER
  • Material Document and Classification: AMS-Q-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE
Applications
  • Applications requiring Aluminum Alloy 7075 construction
General Description

The Beam,structural, cataloged under National Stock Number 9540-00-905-3602, 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 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9540-00-905-3602
Primary Part Number18148
Item NameBeam,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerAlcoa/reynolds Metals Company
StatusACTIVE
Left Top Inside Angle90.0 DEGREES NOMINAL
Web Flange Thickness0.064 INCHES NOMINAL IN
Fillet Radius Where Bottom Right Flange Joins Web Flange/leg0.120 INCHES NOMINAL IN
MaterialALUMINUM ALLOY 7075
Second Tip Relationship to First TipIDENTICAL
Nondefinitive Spec/std DataT6 TEMPER
Material Document and ClassificationAMS-Q-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE
Basic Shape StyleZ SHAPE
Right Bottom Inside Angle90.0 DEGREES NOMINAL
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Top Flange Width0.440 INCHES NOMINAL IN
Right Side Bottom Flange Thickness0.064 INCHES NOMINAL IN
First Tip StyleSQUARE END
Heat TreatmentT-6 SOLUTION HEAT TREATED
Bottom Flange Width1.800 INCHES NOMINAL IN
Fabrication MethodEXTRUDED
Weight Per Unit Measure0.230 POUNDS PER LINEAR FOOT LBS
Left Side Top Flange Thickness0.064 INCHES NOMINAL IN
Fillet Radius Where Top Left Flange Joins Web Flange/leg0.120 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5950-00-098-6545 INTERCHANGEABLE
Coil,electrical
3110-00-156-485010098 INTERCHANGEABLE
Bearing,ball,annular
Klauer Manufacturing Company
3110-00-156-5451018-7804 INTERCHANGEABLE
Bearing,ball,annular
Marathon Le Tourneau Co
5315-00-281-8035569K236 INTERCHANGEABLE
Pin,shoulder,headless
Hyster-Yale Group, Inc. Dba Yale Materials Handling
4320-00-337-5275K206542 INTERCHANGEABLE
Ring,wearing
Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc
5330-00-399-6982QC62 INTERCHANGEABLE
Gasket
Wisconsin Motors, Llc
1650-00-724-086518148 INTERCHANGEABLE
Plate,guide,transducer Probe
Cadillac Gage Textron Inc.
5330-00-733-1359206542 INTERCHANGEABLE
Gasket
Woodward, Inc.
5305-01-039-0230W-11110-4 INTERCHANGEABLE
Screw,machine
Hobart Bros Co
5360-01-161-755718148 INTERCHANGEABLE
Spring,helical,compression
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
Cross-Reference Index
Part NumberManufacturer
18148 Alcoa/reynolds Metals Company (USA)
PA22000 Transtar Metals Corp (USA)
QQ-A-200/11 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
206542 Aluminum Co of America (USA)
60-2071 Transtar Metals Corp (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
5950-00-098-6545INTERCHANGEABLE
COIL,ELECTRICAL
3110-00-156-4850INTERCHANGEABLE
BEARING,BALL,ANNULAR
10098
3110-00-156-5451INTERCHANGEABLE
BEARING,BALL,ANNULAR
018-7804
5315-00-281-8035INTERCHANGEABLE
PIN,SHOULDER,HEADLESS
569K236
4320-00-337-5275INTERCHANGEABLE
RING,WEARING
K206542
5330-00-399-6982INTERCHANGEABLE
GASKET
QC62
1650-00-724-0865INTERCHANGEABLE
PLATE,GUIDE,TRANSDUCER PROBE
18148
5330-00-733-1359INTERCHANGEABLE
GASKET
206542
5305-01-039-0230INTERCHANGEABLE
SCREW,MACHINE
W-11110-4
5360-01-161-7557INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
18148
5895-01-432-0991INTERCHANGEABLE
COMMUNICATION SUBSYSTEM
206542

Frequently Asked Questions

What is NSN 9540-00-905-3602?

NSN 9540-00-905-3602 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 9540-00-905-3602?

NSN 9540-00-905-3602 has 7 cross-referenced part numbers: 18148 (Alcoa/reynolds Metals Company), PA22000 (Transtar Metals Corp), QQ-A-200/11 (Federal Specifications Promulgated by General Services Administration Washington DC), 206542 (Aluminum Co of America), 60-2071 (Transtar Metals Corp) and 2 more.

What NSN replaces 9540-00-905-3602?

There are 11 known substitutes for 9540-00-905-3602: 5950-00-098-6545, 3110-00-156-4850, 3110-00-156-5451 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18148?

Key specifications for 18148: Left Top Inside Angle: 90.0 DEGREES NOMINAL; Web Flange Thickness: 0.064 INCHES NOMINAL IN; Fillet Radius Where Bottom Right Flange Joins Web Flange/leg: 0.120 INCHES NOMINAL IN; Material: ALUMINUM ALLOY 7075. 20 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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