Right Side Top Flange Thickness: 0.050 INCHES NOMINAL IN
Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Left Side Top Flange Distance to Center of Both Flanges: 0.500 INCHES NOMINAL IN
Right Top Inside Angle: 90.0 DEGREES NOMINAL
Left Top Inside Angle: 90.0 DEGREES NOMINAL
Heat Treatment: T-3511 SOLUTION HEAT TREATED
Fillet Radius Where Top Right Flange Joins Web Flange/leg: 0.094 INCHES NOMINAL IN
Identification
NSN: 9540-00-148-4377
NIIN: 001484377
FSC: 9540 — Structural Shapes, Nonferrous Base Metal
FSG: 95 — Metal Bars, Sheets, and Shapes
General Description
The Beam,structural, cataloged under National Stock Number 9540-00-148-4377, is classified within Federal Supply Class 9540 (Structural Shapes, Nonferrous Base Metal) of the Metal Bars, Sheets, and Shapes group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 11 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
9540-00-148-4377
Item Name
Beam,structural
FSC / FSG
9540 / 95 — Structural Shapes, Nonferrous Base Metal
Status
ACTIVE
Right Side Top Flange Thickness
0.050 INCHES NOMINAL IN
Length
10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Left Side Top Flange Distance to Center of Both Flanges
0.500 INCHES NOMINAL IN
Right Top Inside Angle
90.0 DEGREES NOMINAL
Left Top Inside Angle
90.0 DEGREES NOMINAL
Heat Treatment
T-3511 SOLUTION HEAT TREATED
Fillet Radius Where Top Right Flange Joins Web Flange/leg
0.094 INCHES NOMINAL IN
Material Document and Classification
AMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE
Fillet Radius Where Top Left Flange Joins Web Flange/leg
0.094 INCHES NOMINAL IN
Basic Shape Style
T SHAPE
Weight Per Unit Measure
0.120 POUNDS PER LINEAR FOOT LBS
Nondefinitive Spec/std Data
2024 ALLOY AND T3511 TEMPER
Top Flange Width
1.000 INCHES NOMINAL IN
Third Tip Relationship to Preceding Tips
IDENTICAL W/FIRST TIP
Material
ALUMINUM ALLOY 2024
Leg Thickness
0.050 INCHES NOMINAL IN
First Tip Style
SQUARE END
Left Side Top Flange Thickness
0.050 INCHES NOMINAL IN
Second Tip Relationship to First Tip
IDENTICAL
Right Side Top Flange Distance to Center of Both Flanges
0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items11
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
2240-00-160-9766POSSIBLE MATCH
BRAKE SHOE,RAILWAY CAR
Possible match (shared part number)
4720-00-268-1247280009POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC
Possible match (shared part number)Prc-Desoto Intl Inc
5995-00-503-544323020POSSIBLE MATCH
CORD ASSEMBLY,ELECTRICAL
Possible match (shared part number)Roanwell, Llc
5895-00-788-174523020POSSIBLE MATCH
COVER,ORIENTOR
Possible match (shared part number)Raytheon Company Dba Raytheon
5935-01-089-877923020POSSIBLE MATCH
CONNECTOR,RECEPTACLE,ELECTRICAL
Possible match (shared part number)Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
4320-01-246-521423020POSSIBLE MATCH
HOUSING,LIQUID PUMP
Possible match (shared part number)Industrial Technologies and Services Llc
4210-01-266-958823-020POSSIBLE MATCH
VALVE,FIRE EXTINGUISHER
Possible match (shared part number)Hydro-Test Products, Inc. Dba Hydro-Test Products Inc
5120-01-367-377823020POSSIBLE MATCH
BIT,SCREWDRIVER
Possible match (shared part number)A T and G Inc
5220-01-546-056723020POSSIBLE MATCH
GAGE,HEADSPACE
Possible match (shared part number)Charles Reed Knight Jr Dba Knight's Armament Company
7830-01-546-690223020POSSIBLE MATCH
MEDICINE BALL
Possible match (shared part number)The Hygenic Corporation
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
PA21685
5/9Secondary reference
Transtar Metals Corp
AMS-QQ-A-200/3
5/9Secondary reference
U.S. Government activity
AMS-QQ-A-200/3
3/1Design control — primary reference
Sae International Dba Sae International
QQ-A-200/3
5/9Secondary reference
U.S. Government activity
23020
3/1Design control — primary reference
Aluminum Co of America
60-11828
3/1Design control — primary reference
Transtar Metals Corp
Related Parts
2240-00-160-9766POSSIBLE MATCH
BRAKE SHOE,RAILWAY CAR
4720-00-268-1247POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC
280009
5995-00-503-5443POSSIBLE MATCH
CORD ASSEMBLY,ELECTRICAL
23020
5895-00-788-1745POSSIBLE MATCH
COVER,ORIENTOR
23020
5935-01-089-8779POSSIBLE MATCH
CONNECTOR,RECEPTACLE,ELECTRICAL
23020
4320-01-246-5214POSSIBLE MATCH
HOUSING,LIQUID PUMP
23020
4210-01-266-9588POSSIBLE MATCH
VALVE,FIRE EXTINGUISHER
23-020
5120-01-367-3778POSSIBLE MATCH
BIT,SCREWDRIVER
23020
5220-01-546-0567POSSIBLE MATCH
GAGE,HEADSPACE
23020
7830-01-546-6902POSSIBLE MATCH
MEDICINE BALL
23020
5305-01-624-1161POSSIBLE MATCH
SCREW,MACHINE
23020
Frequently Asked Questions
What is NSN 9540-00-148-4377?
NSN 9540-00-148-4377 is a Beam,structural, classified under FSC 9540, Structural Shapes, Nonferrous Base Metal. Status: active.
What NSN replaces 9540-00-148-4377?
11 possible matches (shared part number, not a government interchangeability claim): 2240-00-160-9766, 4720-00-268-1247, 5995-00-503-5443. Verify interchangeability with system specifications before substitution.
What are the specifications of 9540-00-148-4377?
Key specifications for 9540-00-148-4377: Overall Height: 1.000 INCHES NOMINAL IN; Right Side Top Flange Thickness: 0.050 INCHES NOMINAL IN; Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT; Left Side Top Flange Distance to Center of Both Flanges: 0.500 INCHES NOMINAL IN. 20 specifications are documented in the U.S. Government catalog.
Is NSN 9540-00-148-4377 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.