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Technical Data Sheet
PartsTable / COMPONENT / 444MBD1
444MBD1 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The PLUG,EXPANSION is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-050-1593, 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
444MBD1
NSN: 5340-00-050-1593
FSC: 5340
CAGE: 05415 — LINDE LIFT TRUCK CORP. (USA)
SPECIFICATIONS
Part Number444MBD1
NSN5340-00-050-1593
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 444MBD1 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
0295-000-000Upgraded Successor
successor cross-reference
successor
295Upgraded Successor
successor cross-reference
successor
AMS-QQ-A-200/11Interchangeable
interchangeable cross-reference
interchangeable
PA5352Interchangeable
interchangeable cross-reference
interchangeable
15427Interchangeable
interchangeable cross-reference
interchangeable
A-A-52420-15Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 444MBD1?
444MBD1 is a PLUG,EXPANSION.
What parts can replace 444MBD1?
There are 32 known substitutes for 444MBD1: 0295-000-000, 295, AMS-QQ-A-200/11 and 29 more. Substitute compatibility should be verified for your specific system.
Is 444MBD1 still available?
444MBD1 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026