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Technical Data Sheet
FP181 ✓ 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

CAPACITOR,FIXED,MICA DIELECTRIC. Key specifications include material: PAPER AND GLUE OVERALL, body_style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE, power_rating: 2.0 WATTS AVERAGE AND 500.0 WATTS PEAK, overall_length: 0.860 INCHES NOMINAL IN, frequency_range: 0.000 HERTZ MINIMUM AND 2.000 GIGAHERTZ MINIMUM, mounting_method: CONNECTOR. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-582-2736, 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
FP181
NSN: 5330-00-582-2736
FSC: 5330
CAGE: 82272 — HYGRADE PRODUCTS SUB OF STANDARD MOTOR PRODUCTS INC (USA)
SPECIFICATIONS
materialPAPER AND GLUE OVERALL
body_styleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
power_rating2.0 WATTS AVERAGE AND 500.0 WATTS PEAK
overall_length0.860 INCHES NOMINAL IN
frequency_range0.000 HERTZ MINIMUM AND 2.000 GIGAHERTZ MINIMUM
mounting_methodCONNECTOR
outside_diameter0.438 INCHES NOMINAL IN
overall_diameter0.312 INCHES NOMINAL IN
aperture_diameter0.254 INCHES MINIMUM AND 0.259 INCHES MAXIMUM IN
application_designTRANSMISSION LINE
operating_temp_range-54.0 TO 125.0 CELSIUS DEGC
cross-sectional_thickness0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
NSN5330-00-582-2736
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: FP181 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
OUTSIDE DIAMETER: 0.438 INCHES NOMINAL IN
APERTURE DIAMETER: 0.254 INCHES MINIMUM AND 0.259 INCHES MAXIMUM IN
CROSS-SECTIONAL THICKNESS: 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
MATERIAL: PAPER AND GLUE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-12803,+3110 MIL SPEC ALL MATERIAL RESPONSES OVERALL
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)
OUTSIDE DIAMETER0.438 INCHES NOMINAL IN
APERTURE DIAMETER0.254 INCHES MINIMUM AND 0.259 INCHES MAXIMUM IN
CROSS-SECTIONAL THICKNESS0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
MATERIALPAPER AND GLUE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-12803,+3110 MIL SPEC ALL MATERIAL RESPONSES OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
117154Interchangeable
interchangeable cross-reference
interchangeable
20994Interchangeable
interchangeable cross-reference
interchangeable
308-2Interchangeable
interchangeable cross-reference
interchangeable
308-0002Interchangeable
interchangeable cross-reference
interchangeable
82394Interchangeable
interchangeable cross-reference
interchangeable
32950Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FP181?
FP181 is a CAPACITOR,FIXED,MICA DIELECTRIC.
What parts can replace FP181?
There are 22 known substitutes for FP181: 117154, 20994, 308-2 and 19 more. Substitute compatibility should be verified for your specific system.
Is FP181 still available?
FP181 is currently cancelled.
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