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27-893 ✓ 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 PLATE,BATTERY is a the manufacturer cache protection component designed to preserve data integrity during power loss events in enterprise server and storage controller environments. Key specifications include material: STEEL OVERALL, end_style: DOBBY HOOK BOTH ENDS, design_type: CLOSED, hook_radius: 0.047 INCHES NOMINAL BOTH ENDS IN, coil_quantity: 13, opening_width: 0.385 INCHES NOMINAL BOTH ENDS IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-422-9380, 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
27-893
NSN: 5330-00-422-9380
FSC: 5330
CAGE: 79150 — DANA AUTOMOTIVE SYSTEMS GROUP, LLC DBA DANA SEALING PRODUCTS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleDOBBY HOOK BOTH ENDS
design_typeCLOSED
hook_radius0.047 INCHES NOMINAL BOTH ENDS IN
coil_quantity13
opening_width0.385 INCHES NOMINAL BOTH ENDS IN
inside_diameter0.341 INCHES NOMINAL IN
special_featuresCOGNIZANT SERVICE:USAF;FSC APPLICATION DATA:BATTERIES,RECHARGEABLE
style_designatorCYLINDRICAL
surface_treatmentPAINT OVERALL
spring_free_length2.279 INCHES NOMINAL IN
coil_helix_directionLEFT-HAND
NSN5330-00-422-9380
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 27-893 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
•
SUPPLEMENTARY FEATURES: CROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS (FLIS)
SUPPLEMENTARY FEATURESCROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
SPECIAL FEATURESSTYLE DESIGNATOR:NO.60 IRREGULAR SHAPE FROM FIIG A03200
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
1908913-1Interchangeable
interchangeable cross-reference
interchangeable
109-04AInterchangeable
interchangeable cross-reference
interchangeable
801193Interchangeable
interchangeable cross-reference
interchangeable
9027076Interchangeable
interchangeable cross-reference
interchangeable
25361Interchangeable
interchangeable cross-reference
interchangeable
18803Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 27-893?
27-893 is a PLATE,BATTERY.
What parts can replace 27-893?
There are 18 known substitutes for 27-893: 1908913-1, 109-04A, 801193 and 15 more. Substitute compatibility should be verified for your specific system.
Is 27-893 still available?
27-893 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026