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Technical Data Sheet
27853 ✓ Verified by PartsTable
Vertiv · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

Basic rPDUs deliver reliable power to critical IT equipment within a rack or cabinet. Key specifications include material: RUBBER SYNTHETIC SEALING ELEMENT, case_style: SQUARE, seal_width: 0.250 INCHES NOMINAL IN, body_length: 0.375 INCHES MINIMUM AND 0.415 INCHES MAXIMUM IN, overall_width: 2.15 INCHES NOMINAL IN, rating_method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-285-6378, 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
27853
NSN: 5330-00-285-6378
FSC: 5330
CAGE: 33116 — KELSEY-HAYES CO WHEEL DRUM AND BRAKE DIV (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT
case_styleSQUARE
seal_width0.250 INCHES NOMINAL IN
body_length0.375 INCHES MINIMUM AND 0.415 INCHES MAXIMUM IN
overall_width2.15 INCHES NOMINAL IN
rating_methodELECTRICAL SINGLE COMPONENT SINGLE WINDING
coil_form_typeSOLID SINGLE COMPONENT
inclosure_typeFULLY INCLOSED
overall_height1.5 INCHES NOMINAL IN
overall_length2.15 INCHES NOMINAL IN
quality_factor50 MINIMUM SINGLE COMPONENT SINGLE WINDING
mounting_methodTERMINAL SINGLE GROUP
NSN5330-00-285-6378
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 27853 MFR: Vertiv ⚠ 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
CASE STYLE: SQUARE
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 1000 FEET PER MINUTE FT
HOUSING BORE DIAMETER: 2.875 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER: 2.125 INCHES NOMINAL IN
SEAL WIDTH: 0.250 INCHES NOMINAL IN
SEALING ELEMENT STYLE: ANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
CASE STYLESQUARE
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
ACCOMMODATED SHAFT MAXIMUM RATED SPEED1000 FEET PER MINUTE FT
HOUSING BORE DIAMETER2.875 INCHES NOMINAL IN
MATERIALSTEEL CASE
ACCOMMODATED SHAFT DIAMETER2.125 INCHES NOMINAL IN
SEAL WIDTH0.250 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
289649Interchangeable
interchangeable cross-reference
interchangeable
95-0385Interchangeable
interchangeable cross-reference
interchangeable
12HD45Interchangeable
interchangeable cross-reference
interchangeable
BN793Interchangeable
interchangeable cross-reference
interchangeable
121-0037Interchangeable
interchangeable cross-reference
interchangeable
G10084PC9-19T023Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 27853?
27853 is a COIL,RADIO FREQUENCY manufactured by Vertiv.
What parts can replace 27853?
There are 25 known substitutes for 27853: 289649, 95-0385, 12HD45 and 22 more. Substitute compatibility should be verified for your specific system.
Is 27853 still available?
27853 is currently cancelled.
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