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491745 — CAPACITOR,FIXED,CERAMIC DIELECTR

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

491745: CAPACITOR,FIXED,CERAMIC DIELECTR.

CAPACITOR,FIXED,CERAMIC DIELECTR. Key specifications include material: PLASTIC CASE, body_style: W/O MTG FACILITIES TERMINAL(S) ON ONE SURFACE, body_width: 0.510 INCHES MAXIMUM IN, body_height: 0.160 INCHES MAXIMUM IN, body_length: 0.510 INCHES MAXIMUM IN, overall_height: 0.599 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-914-5407, 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→ 491745
NSN: 4820-00-914-5407
NIINs: 009145407, 010211028
FSC: 4820 — Valves, Nonpowered
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialPLASTIC CASE
body_styleW/O MTG FACILITIES TERMINAL(S) ON ONE SURFACE
body_width0.510 INCHES MAXIMUM IN
body_height0.160 INCHES MAXIMUM IN
body_length0.510 INCHES MAXIMUM IN
overall_height0.599 INCHES MINIMUM IN
terminal_length1.250 INCHES MINIMUM IN
terminal_diameter0.024 INCHES MINIMUM AND 0.029 INCHES MAXIMUM IN
reliability_indicatorNOT ESTABLISHED
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
terminal_type_and_quantity2 UNINSULATED WIRE LEAD
tolerance_range_per_section-2.00 TO 2.00 PERCENT SINGLE SECTION
NSN4820-00-914-5407
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 491745 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
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
OVERALL HEIGHT0.599 INCHES MINIMUM IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 491745?
491745 is a CAPACITOR,FIXED,CERAMIC DIELECTR. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 491745?
491745 is cataloged in the U.S. Government catalog under NSN 4820-00-914-5407. 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.