PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51994Angle,structural

Aluminum Co of America · NSN 9540-01-378-6346 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-01-378-6346 — this item is cataloged by the U.S. Government under National Stock Number 9540-01-378-6346. Primary manufacturer part number: 51994.
Features
  • Angle,structural — FSC 9540
  • Material: ALUMINUM ALLOY 7075
  • Supplementary Features: COGNIZANT USER SERVICE ROYAL UNITED KINGDOM AIR FORCE
  • Nondefinitive Spec/std Data: T6 TEMPER
  • Material Document and Classification: QQ-A-200/11 FED SPEC 1ST MATERIAL RESPONSE
  • 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 9540-01-378-6346, 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9540-01-378-6346
Primary Part Number51994
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerAluminum Co of America
StatusACTIVE
MaterialALUMINUM ALLOY 7075
Supplementary FeaturesCOGNIZANT USER SERVICE ROYAL UNITED KINGDOM AIR FORCE
Nondefinitive Spec/std DataT6 TEMPER
Material Document and ClassificationQQ-A-200/11 FED SPEC 1ST MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3030-00-528-4235 INTERCHANGEABLE
Belt,v
4730-01-289-935651994 INTERCHANGEABLE
Strainer,sediment
Spirax Sarco Inc Dba Spirax Sarco
9999-01-487-172351994 INTERCHANGEABLE
Buckle,ratchet
L3 Technologies, Inc. Div L3 Keo
5331-01-594-4497W2T625195 INTERCHANGEABLE
O-Ring
Evoqua Water Technologies Llc
Cross-Reference Index
Part NumberManufacturer
QQ-A-200/11 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AMS-QQ-A-200/11 Society of Automotive Engineers Inc (USA)
AMS-QQ-A-200/11 Sae International Dba Sae International (USA)
51994 PRIMARY Aluminum Co of America (USA)
Related Parts
3030-00-528-4235INTERCHANGEABLE
BELT,V
4730-01-289-9356INTERCHANGEABLE
STRAINER,SEDIMENT
51994
9999-01-487-1723INTERCHANGEABLE
BUCKLE,RATCHET
51994
5331-01-594-4497INTERCHANGEABLE
O-RING
W2T625195

Frequently Asked Questions

What is NSN 9540-01-378-6346?

NSN 9540-01-378-6346 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 9540-01-378-6346?

NSN 9540-01-378-6346 has 4 cross-referenced part numbers: QQ-A-200/11 (Federal Specifications Promulgated by General Services Administration Washington DC), AMS-QQ-A-200/11 (Society of Automotive Engineers Inc), AMS-QQ-A-200/11 (Sae International Dba Sae International), 51994 (Aluminum Co of America).

What NSN replaces 9540-01-378-6346?

There are 4 known substitutes for 9540-01-378-6346: 3030-00-528-4235, 4730-01-289-9356, 9999-01-487-1723 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51994?

Key specifications for 51994: Material: ALUMINUM ALLOY 7075; Supplementary Features: COGNIZANT USER SERVICE ROYAL UNITED KINGDOM AIR FORCE; Nondefinitive Spec/std Data: T6 TEMPER; Material Document and Classification: QQ-A-200/11 FED SPEC 1ST MATERIAL RESPONSE. 4 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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