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WPP1677 — PLUG,EXPANSION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

WPP1677: 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
WPP1677
NSN: 5340-00-050-1593
FSC: 5340 — Hardware, Commercial
CAGE: 79172 — SIEMENS WATER TECHNOLOGIES CORP. DIV WALLACE & TIERNAN PRODUCTS (USA)
SPECIFICATIONS
Part NumberWPP1677
NSN5340-00-050-1593
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: WPP1677 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
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
MD1741Reference 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 WPP1677?
WPP1677 is a PLUG,EXPANSION.
What parts can replace WPP1677?
There are 8 known substitutes for WPP1677: S703, 172531, 13083D and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for WPP1677?
WPP1677 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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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.