PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23400Beam,structural

Aluminum Co of America · NSN 9540-00-148-4378 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-148-4378 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-148-4378. Primary manufacturer part number: 23400.
Features
  • Beam,structural — FSC 9540
  • Basic Shape Style: T SHAPE
  • Right Top Inside Angle: 90.0 DEGREES NOMINAL
  • Heat Treatment: T-3511 SOLUTION HEAT TREATED
  • Fillet Radius Where Top Right Flange Joins Web Flange/leg: 0.125 INCHES NOMINAL IN
  • Right Side Top Flange Distance to Center of Both Flanges: 0.750 INCHES NOMINAL IN
  • Weight Per Unit Measure: 0.440 POUNDS PER LINEAR FOOT LBS
  • Left Side Top Flange Thickness: 0.125 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Alloy 2024 construction
General Description

The Beam,structural, cataloged under National Stock Number 9540-00-148-4378, 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 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 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
NSN9540-00-148-4378
Primary Part Number23400
Item NameBeam,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerAluminum Co of America
StatusACTIVE
Basic Shape StyleT SHAPE
Right Top Inside Angle90.0 DEGREES NOMINAL
Heat TreatmentT-3511 SOLUTION HEAT TREATED
Fillet Radius Where Top Right Flange Joins Web Flange/leg0.125 INCHES NOMINAL IN
Right Side Top Flange Distance to Center of Both Flanges0.750 INCHES NOMINAL IN
Weight Per Unit Measure0.440 POUNDS PER LINEAR FOOT LBS
Left Side Top Flange Thickness0.125 INCHES NOMINAL IN
Top Flange Width1.500 INCHES NOMINAL IN
Right Side Top Flange Thickness0.125 INCHES NOMINAL IN
MaterialALUMINUM ALLOY 2024
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Third Tip Relationship to Preceding TipsIDENTICAL W/FIRST TIP
Nondefinitive Spec/std Data2024 ALLOY AND T3511 TEMPER
Material Document and ClassificationAMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE
Second Tip Relationship to First TipIDENTICAL
Left Top Inside Angle90.0 DEGREES NOMINAL
Leg Thickness0.125 INCHES NOMINAL IN
First Tip StyleSQUARE END
Fillet Radius Where Top Left Flange Joins Web Flange/leg0.125 INCHES NOMINAL IN
Left Side Top Flange Distance to Center of Both Flanges0.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6145-00-060-9517HP3-EXBHB90 INTERCHANGEABLE
Wire,electrical
National Electrical Mfrs Assn Dba Nema
5330-00-178-68698714 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
6150-00-209-5907871-4 INTERCHANGEABLE
Bus,conductor
Janco Corporation Dba Janco Corp Div Mason Controls
9540-00-232-0076 INTERCHANGEABLE
Beam,structural
4320-00-354-442441198 INTERCHANGEABLE
Vane,pump,rotary
Dresser, Llc
4820-00-395-730823400 INTERCHANGEABLE
Sleeve and Slide,directional Con
Hydro-Aire Aerospace Corp
5935-00-400-62118714 INTERCHANGEABLE
Connector,plug,electrical
Abb Installation Products Inc
5305-00-484-70768714 INTERCHANGEABLE
Screw-Stop Shaft---
Triumph Engine Control Systems Llc
2940-00-580-6304CH6PL INTERCHANGEABLE
Filter Element,fluid
Honeywell International Inc Dba Honeywell Div Consumer Products Group
5306-00-922-6025J8714 INTERCHANGEABLE
Bolt,machine
Joslyn Corp
Cross-Reference Index
Part NumberManufacturer
23400 Aluminum Co of America (USA)
LS3469 Lockheed Martin Corp (USA)
QQ-A-200/3 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
8714 Bohn Aluminum and Brass Co Div of Gulf and Western Mfg Co Sub of Gulf and Western Industries (USA)
AMS-QQ-A-200/3 Society of Automotive Engineers Inc (USA)
AMS-QQ-A-200/3 Sae International Dba Sae International (USA)
Related Parts
6145-00-060-9517INTERCHANGEABLE
WIRE,ELECTRICAL
HP3-EXBHB90
5330-00-178-6869INTERCHANGEABLE
SEAL,PLAIN ENCASED
8714
6150-00-209-5907INTERCHANGEABLE
BUS,CONDUCTOR
871-4
9540-00-232-0076INTERCHANGEABLE
BEAM,STRUCTURAL
4320-00-354-4424INTERCHANGEABLE
VANE,PUMP,ROTARY
41198
4820-00-395-7308INTERCHANGEABLE
SLEEVE AND SLIDE,DIRECTIONAL CON
23400
5935-00-400-6211INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
8714
5305-00-484-7076INTERCHANGEABLE
SCREW-STOP SHAFT---
8714
2940-00-580-6304INTERCHANGEABLE
FILTER ELEMENT,FLUID
CH6PL
5306-00-922-6025INTERCHANGEABLE
BOLT,MACHINE
J8714
4820-01-130-4321INTERCHANGEABLE
VALVE,SAFETY RELIEF
E8567T51M
4820-01-153-8458INTERCHANGEABLE
DISK,VALVE
BS8714

Frequently Asked Questions

What is NSN 9540-00-148-4378?

NSN 9540-00-148-4378 is a Beam,structural, manufactured by Aluminum Co of America, classified under FSC 9540 (No Item Name Available). Status: active.

What are the part numbers for NSN 9540-00-148-4378?

NSN 9540-00-148-4378 has 6 cross-referenced part numbers: 23400 (Aluminum Co of America), LS3469 (Lockheed Martin Corp), QQ-A-200/3 (Federal Specifications Promulgated by General Services Administration Washington DC), 8714 (Bohn Aluminum and Brass Co Div of Gulf and Western Mfg Co Sub of Gulf and Western Industries), AMS-QQ-A-200/3 (Society of Automotive Engineers Inc) and 1 more.

What NSN replaces 9540-00-148-4378?

There are 12 known substitutes for 9540-00-148-4378: 6145-00-060-9517, 5330-00-178-6869, 6150-00-209-5907 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 23400?

Key specifications for 23400: Basic Shape Style: T SHAPE; Right Top Inside Angle: 90.0 DEGREES NOMINAL; Overall Height: 1.500 INCHES NOMINAL IN; Heat Treatment: T-3511 SOLUTION HEAT TREATED. 21 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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