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Technical Data Sheet
PartsTable / MRO / 172525
172525 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

CAPACITOR,FIXED,MICA DIELECTRIC. Key specifications include radius: 0.406 INCHES NOMINAL IN, material: STEEL, outside_diameter: 0.372 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN, style_designator: CONCAVE, material_thickness: 0.065 INCHES NOMINAL IN, fsc_application_data: TELETYPE AND FACSIMILE EQUIPMENT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-197-0385, 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
MRO→ MRO_GENERAL→ 172525
NSN: 5340-00-197-0385
FSC: 5340
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
radius0.406 INCHES NOMINAL IN
materialSTEEL
outside_diameter0.372 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
style_designatorCONCAVE
material_thickness0.065 INCHES NOMINAL IN
fsc_application_dataTELETYPE AND FACSIMILE EQUIPMENT
NSN5340-00-197-0385
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 172525 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
•
MATERIAL THICKNESS: 0.065 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 0.372 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
•
RADIUS: 0.406 INCHES NOMINAL IN
•
MATERIAL: STEEL
•
STYLE DESIGNATOR: CONCAVE
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)
MATERIAL THICKNESS0.065 INCHES NOMINAL IN
OUTSIDE DIAMETER0.372 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
RADIUS0.406 INCHES NOMINAL IN
MATERIALSTEEL
STYLE DESIGNATORCONCAVE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
1948694Interchangeable
interchangeable cross-reference
interchangeable
0910333-4Interchangeable
interchangeable cross-reference
interchangeable
910333Interchangeable
interchangeable cross-reference
interchangeable
0910007-4Interchangeable
interchangeable cross-reference
interchangeable
172570Interchangeable
interchangeable cross-reference
interchangeable
910007Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 172525?
172525 is a CAPACITOR,FIXED,MICA DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 172525?
There are 30 known substitutes for 172525: 1948694, 0910333-4, 910333 and 27 more. Substitute compatibility should be verified for your specific system.
Is 172525 still available?
172525 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