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Technical Data Sheet
176HMS18Y12 ✓ 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 is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC SEALING ELEMENT, seal_width: 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN, construction: SOLID, housing_bore_diameter: 1.757 INCHES MINIMUM AND 1.761 INCHES MAXIMUM IN, accommodated_shaft_diameter: 1.250 INCHES NOMINAL IN, cross-sectional_shape_style: SINGLE LIP. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-957-1528, 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
176HMS18Y12
NSN: 5330-00-957-1528
FSC: 5330
CAGE: 80201 — SKF USA INC. DBA SKF AEROSPACE SEALING SOLUTIONS (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT
seal_width0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
constructionSOLID
housing_bore_diameter1.757 INCHES MINIMUM AND 1.761 INCHES MAXIMUM IN
accommodated_shaft_diameter1.250 INCHES NOMINAL IN
cross-sectional_shape_styleSINGLE LIP
NSN5330-00-957-1528
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 176HMS18Y12 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: 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLE: SINGLE LIP
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT
CONSTRUCTION: SOLID
ACCOMMODATED SHAFT DIAMETER: 1.250 INCHES NOMINAL IN
HOUSING BORE DIAMETER: 1.757 INCHES MINIMUM AND 1.761 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SEAL WIDTH0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLESINGLE LIP
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
CONSTRUCTIONSOLID
MATERIALSTEEL SPRING
ACCOMMODATED SHAFT DIAMETER1.250 INCHES NOMINAL IN
HOUSING BORE DIAMETER1.757 INCHES MINIMUM AND 1.761 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
12-37-2Interchangeable
interchangeable cross-reference
interchangeable
AN816-12Interchangeable
interchangeable cross-reference
interchangeable
150 VInterchangeable
interchangeable cross-reference
interchangeable
5133PL1398604Interchangeable
interchangeable cross-reference
interchangeable
2056.155-2Interchangeable
interchangeable cross-reference
interchangeable
1207-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 176HMS18Y12?
176HMS18Y12 is a SEAL,PLAIN.
What parts can replace 176HMS18Y12?
There are 10 known substitutes for 176HMS18Y12: 12-37-2, AN816-12, 150 V and 7 more. Substitute compatibility should be verified for your specific system.
Is 176HMS18Y12 still available?
176HMS18Y12 is currently cancelled.
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