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PartsTable / COMPONENT / 21473N 4IN PC 21
21473N 4IN PC 21 ✓ Verified by PartsTable
— · GATE VALVE
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 color: BLACK, cushion: NOT INCLUDED, material: STEEL CORROSION RESISTING BODY, head_style: HEADLESS (SETSCREW), design_type: NONREUSABLE, handle_type: L-STYLE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-468-8030, 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
21473N 4IN PC 21
NSN: 4820-01-468-8030
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
colorBLACK
cushionNOT INCLUDED
materialSTEEL CORROSION RESISTING BODY
head_styleHEADLESS (SETSCREW)
design_typeNONREUSABLE
handle_typeL-STYLE
point_styleFLAT
key_quantity20
mounting_padNOT INCLUDED
thread_class2A A
body_diameter1.750 INCHES NOMINAL IN
overall_width4.000 INCHES NOMINAL IN
NSN4820-01-468-8030
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21473N 4IN PC 21 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
54-803-012Interchangeable
interchangeable cross-reference
interchangeable
5601-1Interchangeable
interchangeable cross-reference
interchangeable
501171-1Interchangeable
interchangeable cross-reference
interchangeable
S8113-E2Interchangeable
interchangeable cross-reference
interchangeable
25-1912Interchangeable
interchangeable cross-reference
interchangeable
185103786LInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21473N 4IN PC 21?
21473N 4IN PC 21 is a CAPACITOR,FIXED,CERAMIC DIELECTR.
What parts can replace 21473N 4IN PC 21?
There are 17 known substitutes for 21473N 4IN PC 21: 54-803-012, 5601-1, 501171-1 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21473N 4IN PC 21?
21473N 4IN PC 21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-468-8030. 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