PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31404Structural Section,special Shape

Aluminum Co of America · NSN 9540-00-261-5224 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-261-5224 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-261-5224. Primary manufacturer part number: 31404.
Features
  • Structural Section,special Shape — FSC 9540
  • Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
  • Fabrication Method: EXTRUDED
  • Material: ALUMINUM ALLOY 2024
  • Material Document and Classification: QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY TRADE DESIGNATION,LENGTH AND GOVT SPEC DATA
  • 2 verified cross-references
  • Primary manufacturer: Aluminum Co of America
Applications
  • Applications requiring Aluminum Alloy 2024 construction
General Description

The Structural Section,special Shape, cataloged under National Stock Number 9540-00-261-5224, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9540-00-261-5224
Primary Part Number31404
Item NameStructural Section,special Shape
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerAluminum Co of America
StatusACTIVE
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Fabrication MethodEXTRUDED
MaterialALUMINUM ALLOY 2024
Material Document and ClassificationQQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY TRADE DESIGNATION,LENGTH AND GOVT SPEC DATA
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4920-00-014-08493140-4 INTERCHANGEABLE
Cable Adapter,stron
Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div
5945-00-054-4381263-4 INTERCHANGEABLE
Flasher,thermal
Federal-Mogul Corp Government Sales Dept
4810-00-122-070131404 INTERCHANGEABLE
Stem,fluid Valve
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
2520-00-493-2077RE234307 INTERCHANGEABLE
Disk,clutch,vehicular
Deere & Co
5950-00-647-948431404 INTERCHANGEABLE
Transformer,radio Frequency
Pax Mfg Corp Hammarlund Mfg Co Div
2815-00-652-512331404 INTERCHANGEABLE
Cylinder Head and L
Napco International Llc Dba Napco International Inc
5330-01-061-5634322 3546 INTERCHANGEABLE
Seal,special
Am General Llc
4940-01-117-910331404 INTERCHANGEABLE
Power End
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
Cross-Reference Index
Part NumberManufacturer
31404 Aluminum Co of America (USA)
QQA200-3 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
4920-00-014-0849INTERCHANGEABLE
CABLE ADAPTER,STRON
3140-4
5945-00-054-4381INTERCHANGEABLE
FLASHER,THERMAL
263-4
4810-00-122-0701INTERCHANGEABLE
STEM,FLUID VALVE
31404
2520-00-493-2077INTERCHANGEABLE
DISK,CLUTCH,VEHICULAR
RE234307
5950-00-647-9484INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
31404
2815-00-652-5123INTERCHANGEABLE
CYLINDER HEAD AND L
31404
5330-01-061-5634INTERCHANGEABLE
SEAL,SPECIAL
322 3546
4940-01-117-9103INTERCHANGEABLE
POWER END
31404

Frequently Asked Questions

What is NSN 9540-00-261-5224?

NSN 9540-00-261-5224 is a Structural Section,special Shape, manufactured by Aluminum Co of America, classified under FSC 9540 (No Item Name Available). Status: active.

What are the part numbers for NSN 9540-00-261-5224?

NSN 9540-00-261-5224 has 2 cross-referenced part numbers: 31404 (Aluminum Co of America), QQA200-3 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 9540-00-261-5224?

There are 8 known substitutes for 9540-00-261-5224: 4920-00-014-0849, 5945-00-054-4381, 4810-00-122-0701 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31404?

Key specifications for 31404: Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT; Fabrication Method: EXTRUDED; Material: ALUMINUM ALLOY 2024; Material Document and Classification: QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE. 5 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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