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Technical Data Sheet
85972 PIECE 28 ✓ 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: LEATHER SEALING ELEMENT, case_style: SQUARE, seal_width: 0.313 INCHES NOMINAL IN, housing_bore_diameter: 1.624 INCHES NOMINAL IN, sealing_element_style: ANGULAR, accommodated_shaft_diameter: 0.937 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 5330-00-297-4563, 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
85972 PIECE 28
NSN: 5330-00-297-4563
FSC: 5330
CAGE: 71956 — RELIANCE ELECTRIC COMPANY DBA RELIANCE & DODGE BRANDS (USA)
SPECIFICATIONS
materialLEATHER SEALING ELEMENT
case_styleSQUARE
seal_width0.313 INCHES NOMINAL IN
housing_bore_diameter1.624 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter0.937 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-297-4563
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 85972 PIECE 28 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: 2000 FEET PER MINUTE FT
HOUSING BORE DIAMETER: 1.624 INCHES NOMINAL IN
MATERIAL: STEEL CASE
SEAL WIDTH: 0.313 INCHES NOMINAL IN
SEALING ELEMENT STYLE: ANGULAR
ACCOMMODATED SHAFT DIAMETER: 0.937 INCHES NOMINAL IN
CASE STYLE: SQUARE
TECHNICAL CHARACTERISTICS (FLIS)
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
HOUSING BORE DIAMETER1.624 INCHES NOMINAL IN
MATERIALSTEEL CASE
MATERIALLEATHER SEALING ELEMENT
SEAL WIDTH0.313 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
ACCOMMODATED SHAFT DIAMETER0.937 INCHES NOMINAL IN
CASE STYLESQUARE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
16030Interchangeable
interchangeable cross-reference
interchangeable
TR1128Interchangeable
interchangeable cross-reference
interchangeable
02102Interchangeable
interchangeable cross-reference
interchangeable
38141Interchangeable
interchangeable cross-reference
interchangeable
8511Interchangeable
interchangeable cross-reference
interchangeable
33S44375-2055Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 85972 PIECE 28?
85972 PIECE 28 is a SEAL,PLAIN ENCASED.
What parts can replace 85972 PIECE 28?
There are 13 known substitutes for 85972 PIECE 28: 16030, TR1128, 02102 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 85972 PIECE 28?
85972 PIECE 28 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-297-4563. This indicates validated use in U.S. government and defense supply chains.
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