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3A17891 — CAPACITOR,FIXED,PAPER DIELECTRIC

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

3A17891: CAPACITOR,FIXED,PAPER DIELECTRIC.

CAPACITOR,FIXED,PAPER DIELECTRIC. Key specifications include component_quantity: 25, nonsupply_items_and_quantities: SPRING 1;RETAINING RINGS 8;BUSHINGS 8;O-RINGS 5;U-CUP 1;WEAR RING 1;DUST BOOT 1. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-375-3363, 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
3A17891
NSN: 4820-01-375-3363
FSC: 4820 — Valves, Nonpowered
CAGE: 2Y614 — LINK-BELT CRANES, L.P., LLLP (USA)
SPECIFICATIONS
component_quantity25
nonsupply_items_and_quantitiesSPRING 1;RETAINING RINGS 8;BUSHINGS 8;O-RINGS 5;U-CUP 1;WEAR RING 1;DUST BOOT 1
NSN4820-01-375-3363
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3A17891 · 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
KEY FEATURES
•
COMPONENT QUANTITY: 25
•
NONSUPPLY ITEMS AND QUANTITIES: SPRING 1;RETAINING RINGS 8;BUSHINGS 8;O-RINGS 5;U-CUP 1;WEAR RING 1;DUST BOOT 1
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
COMPONENT QUANTITY25
NONSUPPLY ITEMS AND QUANTITIESSPRING 1;RETAINING RINGS 8;BUSHINGS 8;O-RINGS 5;U-CUP 1;WEAR RING 1;DUST BOOT 1
SUBSTITUTES & CROSS-REFERENCES 2
119282Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
119305Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 3A17891?
3A17891 is a CAPACITOR,FIXED,PAPER DIELECTRIC.
What parts can replace 3A17891?
There are 2 known substitutes for 3A17891: 119282, 119305. Substitute compatibility should be verified for your specific system.
What is the NSN for 3A17891?
3A17891 is cataloged in the U.S. Government catalog under NSN 4820-01-375-3363. This indicates validated use in U.S. government and defense supply chains.
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