PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PA4291Angle,structural

Transtar Metals Corp · NSN 9540-01-276-0956 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-01-276-0956 — this item is cataloged by the U.S. Government under National Stock Number 9540-01-276-0956. Primary manufacturer part number: PA4291.
Features
  • Angle,structural — FSC 9540
  • Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
  • Heat Treatment: T-6 SOLUTION HEAT TREATED
  • Second Tip Relationship to First Tip: IDENTICAL
  • Material: ALUMINUM ALLOY 6061
  • Base Flange Thickness: 0.062 INCHES NOMINAL IN
  • Material Document and Classification: AMS-QQ-A-200/8 FED SPEC SINGLE MATERIAL RESPONSE
  • Basic Shape Style: ANGLE
Applications
  • Applications requiring Aluminum Alloy 6061 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-01-276-0956, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9540-01-276-0956
Primary Part NumberPA4291
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerTranstar Metals Corp
StatusACTIVE
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Heat TreatmentT-6 SOLUTION HEAT TREATED
Second Tip Relationship to First TipIDENTICAL
MaterialALUMINUM ALLOY 6061
Base Flange Thickness0.062 INCHES NOMINAL IN
Material Document and ClassificationAMS-QQ-A-200/8 FED SPEC SINGLE MATERIAL RESPONSE
Basic Shape StyleANGLE
First Tip StyleSQUARE END
Left Inside Angle90.0 DEGREES NOMINAL
Fillet Radius Where Left Flange Joins Base Flange0.031 INCHES NOMINAL IN
Nondefinitive Spec/std Data6061 ALLOY AND T6 TEMPER
Left Side Flange Thickness0.062 INCHES NOMINAL IN
Fabrication MethodEXTRUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
6240-00-064-01824415A INTERCHANGEABLE
Lamp,incandescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
4940-00-204-2896TGC545 INTERCHANGEABLE
Cup,paint,spray Gun
Illinois Tool Works Inc.
6240-00-497-21762305 INTERCHANGEABLE
Lamp,incandescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
3110-00-554-3264 INTERCHANGEABLE
Bearing,ball,annular
5340-00-819-7365794-5 INTERCHANGEABLE
Clamp,loop
Transdigm Inc Dba Adel Wiggins Group Div Adel Wiggins
1630-00-974-28076013-19 INTERCHANGEABLE
Poppet,cylinder
Woodward Hrt Inc
5950-01-198-6186 INTERCHANGEABLE
Transformer,power
6240-01-383-6576 INTERCHANGEABLE
Lamp,incandescent
5940-01-395-8375 INTERCHANGEABLE
Terminal,stud
6530-01-407-32757945 INTERCHANGEABLE
Chair,bathtub and Shower
Lumex Inc
Cross-Reference Index
Part NumberManufacturer
PA4291 Transtar Metals Corp (USA)
SAE-AMS-QQ-A-200/8 Sae International Dba Sae International (USA)
AMS-QQ-A-200/8 Sae International Dba Sae International (USA)
7945 Aluminum Co of America (USA)
60-1319 Transtar Metals Corp (USA)
AMS-QQ-A-200/8 Society of Automotive Engineers Inc (USA)
Related Parts
6240-00-064-0182INTERCHANGEABLE
LAMP,INCANDESCENT
4415A
4940-00-204-2896INTERCHANGEABLE
CUP,PAINT,SPRAY GUN
TGC545
6240-00-497-2176INTERCHANGEABLE
LAMP,INCANDESCENT
2305
3110-00-554-3264INTERCHANGEABLE
BEARING,BALL,ANNULAR
5340-00-819-7365INTERCHANGEABLE
CLAMP,LOOP
794-5
1630-00-974-2807INTERCHANGEABLE
POPPET,CYLINDER
6013-19
5950-01-198-6186INTERCHANGEABLE
TRANSFORMER,POWER
6240-01-383-6576INTERCHANGEABLE
LAMP,INCANDESCENT
5940-01-395-8375INTERCHANGEABLE
TERMINAL,STUD
6530-01-407-3275INTERCHANGEABLE
CHAIR,BATHTUB AND SHOWER
7945
5925-01-652-6807INTERCHANGEABLE
CIRCUIT BREAKER

Frequently Asked Questions

What is NSN 9540-01-276-0956?

NSN 9540-01-276-0956 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 9540-01-276-0956?

NSN 9540-01-276-0956 has 6 cross-referenced part numbers: PA4291 (Transtar Metals Corp), SAE-AMS-QQ-A-200/8 (Sae International Dba Sae International), AMS-QQ-A-200/8 (Sae International Dba Sae International), 7945 (Aluminum Co of America), 60-1319 (Transtar Metals Corp) and 1 more.

What NSN replaces 9540-01-276-0956?

There are 11 known substitutes for 9540-01-276-0956: 6240-00-064-0182, 4940-00-204-2896, 6240-00-497-2176 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of PA4291?

Key specifications for PA4291: Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT; Heat Treatment: T-6 SOLUTION HEAT TREATED; Second Tip Relationship to First Tip: IDENTICAL; Material: ALUMINUM ALLOY 6061. 15 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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