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286HMS28 — SEAL,PLAIN

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

286HMS28: SEAL,PLAIN.

The SEAL,PLAIN is a the manufacturer industrial component. Key specifications include material: STEEL INTERNALLY MOLDED-IN REINFORCEMENT, seal_width: 0.312 INCHES NOMINAL IN, construction: SOLID, housing_bore_diameter: 2.875 INCHES NOMINAL IN, accommodated_shaft_diameter: 2.250 INCHES NOMINAL IN, cross-sectional_shape_style: SINGLE LIP. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-930-6857, 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
286HMS28
NSN: 5330-00-930-6857
FSC: 5330 — Packing and Gasket Materials
CAGE: 80201 — SKF USA INC. DBA SKF AEROSPACE SEALING SOLUTIONS (USA)
SPECIFICATIONS
materialSTEEL INTERNALLY MOLDED-IN REINFORCEMENT
seal_width0.312 INCHES NOMINAL IN
constructionSOLID
housing_bore_diameter2.875 INCHES NOMINAL IN
accommodated_shaft_diameter2.250 INCHES NOMINAL IN
cross-sectional_shape_styleSINGLE LIP
NSN5330-00-930-6857
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 286HMS28 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: 0.312 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 2.875 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SINGLE LIP
•
ACCOMMODATED SHAFT DIAMETER: 2.250 INCHES NOMINAL IN
•
MATERIAL: STEEL INTERNALLY MOLDED-IN REINFORCEMENT
•
CONSTRUCTION: SOLID
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.312 INCHES NOMINAL IN
HOUSING BORE DIAMETER2.875 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESINGLE LIP
ACCOMMODATED SHAFT DIAMETER2.250 INCHES NOMINAL IN
MATERIALSTEEL INTERNALLY MOLDED-IN REINFORCEMENT
MATERIALSTEEL SPRING
CONSTRUCTIONSOLID
SUBSTITUTES & CROSS-REFERENCES 3
83159Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
540352Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LA-145-2Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 286HMS28?
286HMS28 is a SEAL,PLAIN.
What parts can replace 286HMS28?
There are 3 known substitutes for 286HMS28: 83159, 540352, LA-145-2. Substitute compatibility should be verified for your specific system.
What is the NSN for 286HMS28?
286HMS28 is cataloged in the U.S. Government catalog under NSN 5330-00-930-6857. This indicates validated use in U.S. government and defense supply chains.
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