PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31901Angle,structural

Aluminum Co of America · NSN 9540-01-378-5305 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-01-378-5305 — this item is cataloged by the U.S. Government under National Stock Number 9540-01-378-5305. Primary manufacturer part number: 31901.
Features
  • Angle,structural — FSC 9540
  • Material Document and Classification: QQ-A-200/11 FED SPEC 1ST MATERIAL RESPONSE
  • Material: ALUMINUM ALLOY 7075
  • Nondefinitive Spec/std Data: T6 TEMPER
  • Heat Treatment: T-6 SOLUTION HEAT TREATED
  • 4 verified cross-references
  • Primary manufacturer: Aluminum Co of America
Applications
  • Applications requiring Aluminum Alloy 7075 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-01-378-5305, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9540-01-378-5305
Primary Part Number31901
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerAluminum Co of America
StatusACTIVE
Material Document and ClassificationQQ-A-200/11 FED SPEC 1ST MATERIAL RESPONSE
MaterialALUMINUM ALLOY 7075
Nondefinitive Spec/std DataT6 TEMPER
Heat TreatmentT-6 SOLUTION HEAT TREATED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4920-00-168-169631901 INTERCHANGEABLE
Ring
Leroi International Inc Dba Compair Leroi
5910-00-196-0550FRE19954-1-1 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
L3harris Technologies, Inc.
5940-00-283-5280MS25036-106 INTERCHANGEABLE
Terminal,lug
Sae International Dba Sae International
5940-00-636-50081755626 INTERCHANGEABLE
Terminal,lug
Naval Ship Systems Command
5935-00-828-18773190-1 INTERCHANGEABLE
Connector,plug,electrical
Microwave Devices Inc
6515-01-446-3925319.01 INTERCHANGEABLE
Gage,depth,bone Screw
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
6515-01-604-18488521H INTERCHANGEABLE
Suture,nonabsorbable,surgical
Ethicon Us Llc Div Ethicon
Cross-Reference Index
Part NumberManufacturer
31901 PRIMARY Aluminum Co of America (USA)
QQ-A-200/11 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AMS-QQ-A-200/11 Sae International Dba Sae International (USA)
AMS-QQ-A-200/11 Society of Automotive Engineers Inc (USA)
Related Parts
4920-00-168-1696INTERCHANGEABLE
RING
31901
5910-00-196-0550INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
FRE19954-1-1
5940-00-283-5280INTERCHANGEABLE
TERMINAL,LUG
MS25036-106
5940-00-636-5008INTERCHANGEABLE
TERMINAL,LUG
1755626
5935-00-828-1877INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
3190-1
6515-01-446-3925INTERCHANGEABLE
GAGE,DEPTH,BONE SCREW
319.01
6515-01-604-1848INTERCHANGEABLE
SUTURE,NONABSORBABLE,SURGICAL
8521H

Frequently Asked Questions

What is NSN 9540-01-378-5305?

NSN 9540-01-378-5305 is a Angle,structural, manufactured by Aluminum Co of America, classified under FSC 9540 (No Item Name Available). Status: active.

What are the part numbers for NSN 9540-01-378-5305?

NSN 9540-01-378-5305 has 4 cross-referenced part numbers: 31901 (Aluminum Co of America), QQ-A-200/11 (Federal Specifications Promulgated by General Services Administration Washington DC), AMS-QQ-A-200/11 (Sae International Dba Sae International), AMS-QQ-A-200/11 (Society of Automotive Engineers Inc).

What NSN replaces 9540-01-378-5305?

There are 7 known substitutes for 9540-01-378-5305: 4920-00-168-1696, 5910-00-196-0550, 5940-00-283-5280 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31901?

Key specifications for 31901: End Item Identification: CHINOOK HC MK II; Material Document and Classification: QQ-A-200/11 FED SPEC 1ST MATERIAL RESPONSE; Material: ALUMINUM ALLOY 7075; Nondefinitive Spec/std Data: T6 TEMPER. 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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