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MPK1-1-2L20-11 — SEAL,IMPELLER SHAFT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MPK1-1-2L20-11: SEAL,IMPELLER SHAFT.

The SEAL,IMPELLER SHAFT is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: 1.218 IN. OD,0.718 IN.

W,FOR 0.625 IN. SHAFT IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-679-5889, 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
MPK1-1-2L20-11
NSN: 5330-00-679-5889
FSC: 5330 — Packing and Gasket Materials
CAGE: 91340 — MET-PRO CORPORATION (USA)
SPECIFICATIONS
general_characteristics_item_description1.218 IN. OD,0.718 IN. W,FOR 0.625 IN. SHAFT IN
NSN5330-00-679-5889
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MPK1-1-2L20-11 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: 1.218 IN. OD,0.718 IN. W,FOR 0.625 IN. SHAFT IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTION1.218 IN. OD,0.718 IN. W,FOR 0.625 IN. SHAFT IN
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 7
ADSP4698BT2C1Reference document
Same NSN cross-reference
Reference document — Secondary reference
K1-1-2L20-11Reference document
Same NSN cross-reference
Reference document — Secondary reference
ADSP4698BP302D1Reference document
Same NSN cross-reference
Reference document — Secondary reference
ADSP4698BP1C1Reference document
Same NSN cross-reference
Reference document — Secondary reference
ADSP4698B12C1Reference document
Same NSN cross-reference
Reference document — Secondary reference
MK1-1-2L20-11Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MPK1-1-2L20-11?
MPK1-1-2L20-11 is a SEAL,IMPELLER SHAFT.
What parts can replace MPK1-1-2L20-11?
There are 7 known substitutes for MPK1-1-2L20-11: ADSP4698BT2C1, K1-1-2L20-11, ADSP4698BP302D1 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MPK1-1-2L20-11?
MPK1-1-2L20-11 is cataloged in the U.S. Government catalog under NSN 5330-00-679-5889. 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.