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38984 — CAPACITOR,FIXED,MICA DIELECTRIC

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

38984: CAPACITOR,FIXED,MICA DIELECTRIC.

CAPACITOR,FIXED,MICA DIELECTRIC. Key specifications include material: PLASTIC CASE, body_style: W/MTG HOLE(S)/SLOT(S), TERMINALS ON OPPOSITE SURFACES, body_width: 1.125 INCHES NOMINAL IN, body_height: 0.344 INCHES NOMINAL IN, body_length: 1.250 INCHES NOMINAL IN, hardness_rating: 68.0 SHORE DUROMETER A NOMINAL OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-599-8637, 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→ 38984
NSN: 5330-00-599-8637
NIINs: 005998637, 006492593
FSC: 5330 — Packing and Gasket Materials
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
materialPLASTIC CASE
body_styleW/MTG HOLE(S)/SLOT(S), TERMINALS ON OPPOSITE SURFACES
body_width1.125 INCHES NOMINAL IN
body_height0.344 INCHES NOMINAL IN
body_length1.250 INCHES NOMINAL IN
hardness_rating68.0 SHORE DUROMETER A NOMINAL OVERALL
rim_surface_width0.312 INCHES NOMINAL IN
inner_groove_depth0.120 INCHES NOMINAL IN
inner_groove_width0.250 INCHES NOMINAL IN
peripheral_diameter1.250 INCHES NOMINAL IN
center_hole_diameter0.750 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
NSN5330-00-599-8637
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 38984 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
•
CROSS-SECTIONAL HEIGHT: 0.375 INCHES NOMINAL IN
•
INNER GROOVE DEPTH: 0.120 INCHES NOMINAL IN
•
HARDNESS RATING: 68.0 SHORE DUROMETER A NOMINAL OVERALL
•
RIM SURFACE WIDTH: 0.312 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SPECIAL
•
PERIPHERAL DIAMETER: 1.250 INCHES NOMINAL IN
•
INNER GROOVE WIDTH: 0.250 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.750 INCHES NOMINAL IN
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
CROSS-SECTIONAL HEIGHT0.375 INCHES NOMINAL IN
INNER GROOVE DEPTH0.120 INCHES NOMINAL IN
HARDNESS RATING68.0 SHORE DUROMETER A NOMINAL OVERALL
RIM SURFACE WIDTH0.312 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESPECIAL
PERIPHERAL DIAMETER1.250 INCHES NOMINAL IN
INNER GROOVE WIDTH0.250 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.750 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
146398PC8Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 38984?
38984 is a CAPACITOR,FIXED,MICA DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 38984?
There is 1 known substitute for 38984: 146398PC8. Substitute compatibility should be verified for your specific system.
What is the NSN for 38984?
38984 is cataloged in the U.S. Government catalog under NSN 5330-00-599-8637. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.