PartsTable
Technical Data Sheet
PartsTable / COMPONENT / H2578PC17
H2578PC17 ✓ 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 SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC SEALING ELEMENT A, case_style: SQUARE, seal_width: 0.250 INCHES NOMINAL IN, housing_bore_diameter: 1.437 INCHES NOMINAL IN, sealing_element_style: ANGULAR-OPPOSED, accommodated_shaft_diameter: 1.000 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-882-3692, 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
H2578PC17
NSN: 5330-00-882-3692
FSC: 5330
CAGE: 16712 — SIEMENS ENERGY, INC. (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT A
case_styleSQUARE
seal_width0.250 INCHES NOMINAL IN
housing_bore_diameter1.437 INCHES NOMINAL IN
sealing_element_styleANGULAR-OPPOSED
accommodated_shaft_diameter1.000 INCHES NOMINAL IN
criticality_code_justificationZZZY
accommodated_shaft_maximum_rated_speed4000 FEET PER MINUTE FT
reference_number_differentiating_characteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTRMANUFACTURING AND TESTING SPECIFICATIONS
NSN5330-00-882-3692
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: H2578PC17 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
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 4000 FEET PER MINUTE FT
•
HOUSING BORE DIAMETER: 1.437 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR-OPPOSED
•
CASE STYLE: SQUARE
•
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT A
•
ACCOMMODATED SHAFT DIAMETER: 1.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
ACCOMMODATED SHAFT MAXIMUM RATED SPEED4000 FEET PER MINUTE FT
HOUSING BORE DIAMETER1.437 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR-OPPOSED
CASE STYLESQUARE
MATERIALRUBBER SYNTHETIC SEALING ELEMENT A
MATERIALSTEEL CASE
ACCOMMODATED SHAFT DIAMETER1.000 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC SEALING ELEMENT B
SEAL WIDTH0.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
K10E46AInterchangeable
interchangeable cross-reference
interchangeable
66-527Interchangeable
interchangeable cross-reference
interchangeable
1082A19G02Interchangeable
interchangeable cross-reference
interchangeable
SMB500422Interchangeable
interchangeable cross-reference
interchangeable
7530Interchangeable
interchangeable cross-reference
interchangeable
5311Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy H2578PC17?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is H2578PC17?
H2578PC17 is a SEAL,PLAIN ENCASED.
What parts can replace H2578PC17?
There are 13 known substitutes for H2578PC17: K10E46A, 66-527, 1082A19G02 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H2578PC17?
H2578PC17 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-882-3692. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — H2578PC17

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026