PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

60-11991Angle,structural

Transtar Metals Corp · NSN 9540-00-261-5176 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-261-5176 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-261-5176. Primary manufacturer part number: 60-11991.
Features
  • Angle,structural — FSC 9540
  • Weight Per Unit Measure: 0.720 POUNDS PER LINEAR FOOT LBS
  • Second Tip Relationship to First Tip: IDENTICAL
  • Basic Shape Style: ANGLE
  • Material: ALUMINUM ALLOY 2024
  • Heat Treatment: T-3511 SOLUTION HEAT TREATED
  • Material Document and Classification: AMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE
  • Left Side Flange Thickness: 0.250 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Alloy 2024 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-00-261-5176, 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 Transtar Metals Corp. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 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
NSN9540-00-261-5176
Primary Part Number60-11991
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerTranstar Metals Corp
StatusACTIVE
Weight Per Unit Measure0.720 POUNDS PER LINEAR FOOT LBS
Second Tip Relationship to First TipIDENTICAL
Basic Shape StyleANGLE
MaterialALUMINUM ALLOY 2024
Heat TreatmentT-3511 SOLUTION HEAT TREATED
Material Document and ClassificationAMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE
Left Side Flange Thickness0.250 INCHES NOMINAL IN
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
First Tip StyleSQUARE END
Nondefinitive Spec/std Data2024 ALLOY AND T3511 TEMPER
Fabrication MethodEXTRUDED
Left Inside Angle90.0 DEGREES NOMINAL
Fillet Radius Where Left Flange Joins Base Flange0.180 INCHES NOMINAL IN
Base Flange Thickness0.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5330-00-037-766415799 INTERCHANGEABLE
Gasket
Hydro-Aire Aerospace Corp
5950-00-243-0322SCC85274 INTERCHANGEABLE
Reactor
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5310-00-531-2884140-137 INTERCHANGEABLE
Washer,flat
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
3110-00-929-40831931481 INTERCHANGEABLE
Cup,tapered Roller Bearing
Chrysler Realty Company Llc Dba Daimler Chrysler
3455-01-029-84201-1741-1000 INTERCHANGEABLE
Cutter,milling,end
New York Twist Drill Inc
5935-01-357-4969 INTERCHANGEABLE
Connector,receptacle,electrical
5935-01-392-4985C2330 INTERCHANGEABLE
Connector,plug,electrical
Kleinfelder Inc
Cross-Reference Index
Part NumberManufacturer
60-11991 Transtar Metals Corp (USA)
AMS-QQ-A-200/3 Society of Automotive Engineers Inc (USA)
BAC1514-156 The Boeing Company Div Legacy Wichita (USA)
15799 International Light Metals Corp Sub of Martin Marietta Corp (USA)
AMS-QQ-A-200/3 Sae International Dba Sae International (USA)
PA1187 Transtar Metals Corp (USA)
30953 Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA)
DIE30953 Aluminum Co of America (USA)
ASTM B221 American Society for Testing and Materials Dba Astm International (USA)
QQ-A-200/3 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5330-00-037-7664INTERCHANGEABLE
GASKET
15799
5950-00-243-0322INTERCHANGEABLE
REACTOR
SCC85274
5310-00-531-2884INTERCHANGEABLE
WASHER,FLAT
140-137
3110-00-929-4083INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
1931481
3455-01-029-8420INTERCHANGEABLE
CUTTER,MILLING,END
1-1741-1000
5935-01-357-4969INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-392-4985INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
C2330

Frequently Asked Questions

What is NSN 9540-00-261-5176?

NSN 9540-00-261-5176 is a Angle,structural, manufactured by Transtar Metals Corp, classified under FSC 9540 (No Item Name Available). Status: active.

What are the part numbers for NSN 9540-00-261-5176?

NSN 9540-00-261-5176 has 10 cross-referenced part numbers: 60-11991 (Transtar Metals Corp), AMS-QQ-A-200/3 (Society of Automotive Engineers Inc), BAC1514-156 (The Boeing Company Div Legacy Wichita), 15799 (International Light Metals Corp Sub of Martin Marietta Corp), AMS-QQ-A-200/3 (Sae International Dba Sae International) and 5 more.

What NSN replaces 9540-00-261-5176?

There are 7 known substitutes for 9540-00-261-5176: 5330-00-037-7664, 5950-00-243-0322, 5310-00-531-2884 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 60-11991?

Key specifications for 60-11991: Weight Per Unit Measure: 0.720 POUNDS PER LINEAR FOOT LBS; Second Tip Relationship to First Tip: IDENTICAL; Basic Shape Style: ANGLE; Overall Height: 1.500 INCHES NOMINAL IN. 16 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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