PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GS183A13DGBeam,structural

Northrop Grumman Systems Corporation · NSN 9540-01-241-5211 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-01-241-5211 — this item is cataloged by the U.S. Government under National Stock Number 9540-01-241-5211. Primary manufacturer part number: GS183A13DG.
Features
  • Beam,structural — FSC 9540
  • Left Side Top Flange Distance to Center of Both Flanges: 1.125 INCHES NOMINAL IN
  • Top Flange Width: 2.250 INCHES NOMINAL IN
  • Basic Shape Style: T SHAPE
  • Second Tip Relationship to First Tip: IDENTICAL
  • Fillet Radius Where Top Right Flange Joins Web Flange/leg: 0.062 INCHES NOMINAL IN
  • Material: ALUMINUM ALLOY 7075
  • Right Side Top Flange Thickness: 0.062 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Alloy 7075 construction
General Description

The Beam,structural, cataloged under National Stock Number 9540-01-241-5211, 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 Northrop Grumman Systems Corporation. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9540-01-241-5211
Primary Part NumberGS183A13DG
Item NameBeam,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusACTIVE
Left Side Top Flange Distance to Center of Both Flanges1.125 INCHES NOMINAL IN
Top Flange Width2.250 INCHES NOMINAL IN
Basic Shape StyleT SHAPE
Second Tip Relationship to First TipIDENTICAL
Fillet Radius Where Top Right Flange Joins Web Flange/leg0.062 INCHES NOMINAL IN
MaterialALUMINUM ALLOY 7075
Right Side Top Flange Thickness0.062 INCHES NOMINAL IN
Left Top Inside Angle90.0 DEGREES NOMINAL
Fabrication MethodEXTRUDED
Material Document and ClassificationAMS-Q-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE
Nondefinitive Spec/std DataT6511 TEMPER
Right Top Inside Angle90.0 DEGREES NOMINAL
Right Side Top Flange Distance to Center of Both Flanges1.125 INCHES NOMINAL IN
Weight Per Unit Measure0.298 POUNDS PER LINEAR FOOT LBS
Leg Thickness0.062 INCHES NOMINAL IN
Heat TreatmentT-6511 SOLUTION HEAT TREATED
Third Tip Relationship to Preceding TipsIDENTICAL W/FIRST TIP
Fillet Radius Where Top Left Flange Joins Web Flange/leg0.062 INCHES NOMINAL IN
First Tip StyleSQUARE END
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Left Side Top Flange Thickness0.062 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3455-00-222-4064 INTERCHANGEABLE
File,rotary
9540-00-288-0495 INTERCHANGEABLE
Beam,structural
9540-00-596-3229 INTERCHANGEABLE
Beam,structural
4320-00-795-567511461A000K INTERCHANGEABLE
Parts Kit,rotary Pump
Myers F E Co Sub of Pentair Corp
9540-01-072-1179 INTERCHANGEABLE
Beam,structural
2940-01-233-084725055052 INTERCHANGEABLE
Filter,fluid
General Motors Llc Dba General Motors Llc
5331-01-312-0626 INTERCHANGEABLE
O-Ring
4730-01-676-012842840 INTERCHANGEABLE
Elbow,pipe
Genova Inc
Cross-Reference Index
Part NumberManufacturer
GS183A13DG Northrop Grumman Systems Corporation (USA)
42840 International Light Metals Corp Sub of Martin Marietta Corp (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)
33481 Aluminum Co of America (USA)
11416-A Pimalco Inc. Div Alcoa Inc Global Hard Alloy Extrusions (USA)
43996 Alcoa/reynolds Metals Company (USA)
Related Parts
3455-00-222-4064INTERCHANGEABLE
FILE,ROTARY
9540-00-288-0495INTERCHANGEABLE
BEAM,STRUCTURAL
9540-00-596-3229INTERCHANGEABLE
BEAM,STRUCTURAL
4320-00-795-5675INTERCHANGEABLE
PARTS KIT,ROTARY PUMP
11461A000K
9540-01-072-1179INTERCHANGEABLE
BEAM,STRUCTURAL
2940-01-233-0847INTERCHANGEABLE
FILTER,FLUID
25055052
5331-01-312-0626INTERCHANGEABLE
O-RING
4730-01-676-0128INTERCHANGEABLE
ELBOW,PIPE
42840

Frequently Asked Questions

What is NSN 9540-01-241-5211?

NSN 9540-01-241-5211 is a Beam,structural, manufactured by Northrop Grumman Systems Corporation, classified under FSC 9540 (No Item Name Available). Status: active.

What are the part numbers for NSN 9540-01-241-5211?

NSN 9540-01-241-5211 has 8 cross-referenced part numbers: GS183A13DG (Northrop Grumman Systems Corporation), 42840 (International Light Metals Corp Sub of Martin Marietta Corp), 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) and 3 more.

What NSN replaces 9540-01-241-5211?

There are 8 known substitutes for 9540-01-241-5211: 3455-00-222-4064, 9540-00-288-0495, 9540-00-596-3229 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GS183A13DG?

Key specifications for GS183A13DG: Left Side Top Flange Distance to Center of Both Flanges: 1.125 INCHES NOMINAL IN; Top Flange Width: 2.250 INCHES NOMINAL IN; Basic Shape Style: T SHAPE; Second Tip Relationship to First Tip: IDENTICAL. 22 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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