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Technical Data Sheet
PartsTable / MRO / 305-1730
305-1730 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

CAPACITOR,FIXED,CERAMIC DIELECTR. Key specifications include material: COPPER ALLOY BODY, body_style: W/THD BUSHING MTG, TERMINALS ON OPPOSITE END, body_length: 0.625 INCHES NOMINAL IN, special_features: ITEM HAS HX WRENCHING FEATURE 0.530 IN. ACROSS FLATS IN, width_across_flats: 0.317 INCHES NOMINAL IN, flow_control_device: CORE.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-111-2519, 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→ 305-1730
NSN: 4820-00-111-2519
FSC: 4820
CAGE: 89926 — NEW HOLLAND CONSTRUCTION (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
body_styleW/THD BUSHING MTG, TERMINALS ON OPPOSITE END
body_length0.625 INCHES NOMINAL IN
special_featuresITEM HAS HX WRENCHING FEATURE 0.530 IN. ACROSS FLATS IN
width_across_flats0.317 INCHES NOMINAL IN
flow_control_deviceCORE
nominal_thread_size0.216 INCHES IN
reliability_indicatorNOT ESTABLISHED
first_end_thread_class2A A
end_connection_quantity2
second_end_thread_class2A A
media_for_which_designedAIR
NSN4820-00-111-2519
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 305-1730 · 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
•
SECOND END RELATIONSHIP WITH FIRST END: NOT IDENTICAL
•
FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.125 INCHES NOMINAL IN
•
COMMERCIAL CORE LENGTH DESIGNATOR: SHORT
•
END CONNECTION QUANTITY: 2
•
FLOW CONTROL DEVICE: CORE
•
COMMERCIAL SPRING TENSION RATING: NOT RATED
•
MATERIAL: COPPER ALLOY BODY
•
SECOND END STYLE DESIGNATOR: EXTERNAL SEAT FOR GASKET SEAL
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)
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED0.125 INCHES NOMINAL IN
COMMERCIAL CORE LENGTH DESIGNATORSHORT
END CONNECTION QUANTITY2
FLOW CONTROL DEVICECORE
COMMERCIAL SPRING TENSION RATINGNOT RATED
MATERIALCOPPER ALLOY BODY
SECOND END STYLE DESIGNATOREXTERNAL SEAT FOR GASKET SEAL
MATERIALCOPPER ALLOY FLOW CONTROL DEVICE
SPECIAL FEATURESITEM HAS HX WRENCHING FEATURE 0.530 IN. ACROSS FLATS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
305-1730Interchangeable
interchangeable cross-reference
interchangeable
700BInterchangeable
interchangeable cross-reference
interchangeable
357-000X5U0-401MInterchangeable
interchangeable cross-reference
interchangeable
305-1730-4Interchangeable
interchangeable cross-reference
interchangeable
HS6187-103NInterchangeable
interchangeable cross-reference
interchangeable
1995-E00-MD501NInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 305-1730?
305-1730 is a CAPACITOR,FIXED,CERAMIC DIELECTR. It is classified as a MRO (MRO_GENERAL).
What parts can replace 305-1730?
There are 7 known substitutes for 305-1730: 305-1730, 700B, 357-000X5U0-401M and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 305-1730?
305-1730 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-111-2519. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026