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BB41749 — PLUG,EXPANSION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

BB41749: PLUG,EXPANSION.

The PLUG,EXPANSION is a the manufacturer industrial component. Key specifications include height: 0.406 INCHES NOMINAL IN, material: STEEL, outside_diameter: 1.502 INCHES MINIMUM AND 1.503 INCHES MAXIMUM IN, style_designator: CUP, material_thickness: 0.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-741-7932, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
BB41749
NSN: 5340-00-741-7932
FSC: 5340 — Hardware, Commercial
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
height0.406 INCHES NOMINAL IN
materialSTEEL
outside_diameter1.502 INCHES MINIMUM AND 1.503 INCHES MAXIMUM IN
style_designatorCUP
material_thickness0.125 INCHES NOMINAL IN
NSN5340-00-741-7932
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: BB41749 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
OUTSIDE DIAMETER: 1.502 INCHES MINIMUM AND 1.503 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: CUP
•
MATERIAL THICKNESS: 0.125 INCHES NOMINAL IN
•
HEIGHT: 0.406 INCHES NOMINAL IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER1.502 INCHES MINIMUM AND 1.503 INCHES MAXIMUM IN
STYLE DESIGNATORCUP
MATERIAL THICKNESS0.125 INCHES NOMINAL IN
HEIGHT0.406 INCHES NOMINAL IN
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 1
80-138Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BB41749?
BB41749 is a PLUG,EXPANSION.
What parts can replace BB41749?
There is 1 known substitute for BB41749: 80-138. Substitute compatibility should be verified for your specific system.
What is the NSN for BB41749?
BB41749 is cataloged in the U.S. Government catalog under NSN 5340-00-741-7932. This indicates validated use in U.S. government and defense supply chains.
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