PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

77WAngle,structural

Aluminum Co of America · NSN 9540-00-145-8423 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-145-8423 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-145-8423. Primary manufacturer part number: 77W.
Features
  • Angle,structural — FSC 9540
  • Weight Per Unit Measure: 0.976 POUNDS PER LINEAR FOOT LBS
  • Left Side Flange Thickness: 0.250 INCHES NOMINAL IN
  • Basic Shape Style: ANGLE
  • Base Flange Thickness: 0.250 INCHES NOMINAL IN
  • First Tip Style: SQUARE W/ INNER AND OUTER CORNER RADII
  • Nondefinitive Spec/std Data: 7075 ALLOY AND T6 TEMPER
  • First Tip Inner Radius: 0.125 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Alloy 7075 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-00-145-8423, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9540-00-145-8423
Primary Part Number77W
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerAluminum Co of America
StatusACTIVE
Weight Per Unit Measure0.976 POUNDS PER LINEAR FOOT LBS
Left Side Flange Thickness0.250 INCHES NOMINAL IN
Basic Shape StyleANGLE
Base Flange Thickness0.250 INCHES NOMINAL IN
First Tip StyleSQUARE W/ INNER AND OUTER CORNER RADII
Nondefinitive Spec/std Data7075 ALLOY AND T6 TEMPER
First Tip Inner Radius0.125 INCHES NOMINAL IN
Left Inside Angle90.0 DEGREES NOMINAL
Fillet Radius Where Left Flange Joins Base Flange0.188 INCHES NOMINAL IN
MaterialALUMINUM ALLOY 7075
First Tip Outer Radius0.045 INCHES NOMINAL IN
Material Document and ClassificationAMS-Q-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE
Outer Radius Where Left Flange Joins Base Flange0.045 INCHES NOMINAL IN
Second Tip Relationship to First TipIDENTICAL
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Heat TreatmentT-6 SOLUTION HEAT TREATED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6210-00-009-02401095-083 INTERCHANGEABLE
Light,indicator
Unicontrol Inc Hays Cleveland Div
9540-00-119-9008 INTERCHANGEABLE
Angle,structural
9540-00-140-2399 INTERCHANGEABLE
Angle,structural
9540-00-145-4481734T INTERCHANGEABLE
Angle,structural
Aluminum Co of America
3110-00-155-95561307W INTERCHANGEABLE
Bearing,ball,annular
Federal-Mogul Corp Government Sales Dept
3110-00-156-1713 INTERCHANGEABLE
Bearing,ball,thrust
9540-00-162-6193179082 INTERCHANGEABLE
Beam,structural
Aluminum Co of America
9540-00-197-9845 INTERCHANGEABLE
Angle,structural
9530-00-224-1160 INTERCHANGEABLE
Bar,metal
7810-00-241-3346 INTERCHANGEABLE
Mitts,striking Bag
Cross-Reference Index
Part NumberManufacturer
PA3320 Transtar Metals Corp (USA)
ASTM B221 American Society for Testing and Materials Dba Astm International (USA)
4007 Alcoa/reynolds Metals Company (USA)
AMS-STD-184 Society of Automotive Engineers Inc (USA)
QQ-A-200/11 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
0A1274L32 Olin Corporation Dba Brass Mill Products Div Brass Division (USA)
4307 Alcoa/reynolds Metals Company (USA)
AMS-QQ-A-200/11 ALLOY 7075 TMPR Sae International Dba Sae International (USA)
60-449 Transtar Metals Corp (USA)
AMS-QQ-A-200/11 ALLOY 7075 TMPR Society of Automotive Engineers Inc (USA)
AMS-QQ-A-200/11 Society of Automotive Engineers Inc (USA)
LS3692-3 Lockheed Martin Corp (USA)
77W PRIMARY Aluminum Co of America (USA)
AMS-STD-184 Sae International Dba Sae International (USA)
Related Parts
6210-00-009-0240INTERCHANGEABLE
LIGHT,INDICATOR
1095-083
9540-00-119-9008INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-00-140-2399INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-00-145-4481INTERCHANGEABLE
ANGLE,STRUCTURAL
734T
3110-00-155-9556INTERCHANGEABLE
BEARING,BALL,ANNULAR
1307W
3110-00-156-1713INTERCHANGEABLE
BEARING,BALL,THRUST
9540-00-162-6193INTERCHANGEABLE
BEAM,STRUCTURAL
179082
9540-00-197-9845INTERCHANGEABLE
ANGLE,STRUCTURAL
9530-00-224-1160INTERCHANGEABLE
BAR,METAL
7810-00-241-3346INTERCHANGEABLE
MITTS,STRIKING BAG
9540-00-288-3686INTERCHANGEABLE
BEAM,STRUCTURAL
39891
5330-00-292-1619INTERCHANGEABLE
SEAL,PLAIN ENCASED
199112

Frequently Asked Questions

What is NSN 9540-00-145-8423?

NSN 9540-00-145-8423 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 9540-00-145-8423?

NSN 9540-00-145-8423 has 14 cross-referenced part numbers: PA3320 (Transtar Metals Corp), ASTM B221 (American Society for Testing and Materials Dba Astm International), 4007 (Alcoa/reynolds Metals Company), AMS-STD-184 (Society of Automotive Engineers Inc), QQ-A-200/11 (Federal Specifications Promulgated by General Services Administration Washington DC) and 9 more.

What NSN replaces 9540-00-145-8423?

There are 12 known substitutes for 9540-00-145-8423: 6210-00-009-0240, 9540-00-119-9008, 9540-00-140-2399 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 77W?

Key specifications for 77W: Weight Per Unit Measure: 0.976 POUNDS PER LINEAR FOOT LBS; Overall Height: 1.750 INCHES NOMINAL IN; Left Side Flange Thickness: 0.250 INCHES NOMINAL IN; Basic Shape Style: ANGLE. 18 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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