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Technical Data Sheet
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MD1741 — PLUG,EXPANSION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MD1741: PLUG,EXPANSION.

The PLUG,EXPANSION is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog 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
MD1741
NSN: 5340-00-050-1593
FSC: 5340 — Hardware, Commercial
CAGE: 76558 — MWM-MURPHY DIESEL CO (USA)
SPECIFICATIONS
Part NumberMD1741
NSN5340-00-050-1593
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MD1741 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
SUBSTITUTES & CROSS-REFERENCES 8
WPP1677Reference document
Same NSN cross-reference
Reference document — Secondary reference
S703Reference document
Same NSN cross-reference
Reference document — Secondary reference
172531Reference document
Same NSN cross-reference
Reference document — Secondary reference
13083DReference document
Same NSN cross-reference
Reference document — Secondary reference
103892Reference document
Same NSN cross-reference
Reference document — Secondary reference
27975Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MD1741?
MD1741 is a PLUG,EXPANSION.
What parts can replace MD1741?
There are 8 known substitutes for MD1741: WPP1677, S703, 172531 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MD1741?
MD1741 is cataloged in the U.S. Government catalog under NSN 5340-00-050-1593. This indicates validated use in U.S. government and defense supply chains.
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