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TYPEHMS501441 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

TYPEHMS501441: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING CASE, case_style: RECESSED, seal_width: 0.325 INCHES NOMINAL IN, housing_bore_diameter: 1.134 INCHES NOMINAL IN, sealing_element_style: VERTICAL, accommodated_shaft_diameter: 0.625 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-078-2660, 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
TYPEHMS501441
NSN: 5330-00-078-2660
FSC: 5330 — Packing and Gasket Materials
CAGE: 80256 — OUTBOARD MARINE CORP (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING CASE
case_styleRECESSED
seal_width0.325 INCHES NOMINAL IN
housing_bore_diameter1.134 INCHES NOMINAL IN
sealing_element_styleVERTICAL
accommodated_shaft_diameter0.625 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed3600 FEET PER MINUTE FT
NSN5330-00-078-2660
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: TYPEHMS501441 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
•
SEAL WIDTH: 0.325 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: VERTICAL
•
HOUSING BORE DIAMETER: 1.134 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 3600 FEET PER MINUTE FT
•
CASE STYLE: RECESSED
•
ACCOMMODATED SHAFT DIAMETER: 0.625 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING CASE
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.325 INCHES NOMINAL IN
SEALING ELEMENT STYLEVERTICAL
HOUSING BORE DIAMETER1.134 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED3600 FEET PER MINUTE FT
CASE STYLERECESSED
ACCOMMODATED SHAFT DIAMETER0.625 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING CASE
SUBSTITUTES & CROSS-REFERENCES 2
305306Reference document
Same NSN cross-reference
Reference document — Secondary reference
321459Reference 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 TYPEHMS501441?
TYPEHMS501441 is a SEAL,PLAIN ENCASED.
What parts can replace TYPEHMS501441?
There are 2 known substitutes for TYPEHMS501441: 305306, 321459. Substitute compatibility should be verified for your specific system.
What is the NSN for TYPEHMS501441?
TYPEHMS501441 is cataloged in the U.S. Government catalog under NSN 5330-00-078-2660. 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.