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PartsTable / COMPONENT / 21274-001
21274-001 ✓ 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,MICA DIELECTRIC. Key specifications include shape: SHARP, material: STEEL CORROSION RESISTING OVERALL, blade_type: NEEDLE AND SINGLE, body_style: STRAIGHT HANDLE, body_width: 1.120 INCHES NOMINAL IN, ring_style: CONCENTRIC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-182-9640, 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
21274-001
NSN: 4820-01-182-9640
FSC: 4820
CAGE: U3788 — VERMEER EQUIPMENT (UK) LTD (GBR)
SPECIFICATIONS
shapeSHARP
materialSTEEL CORROSION RESISTING OVERALL
blade_typeNEEDLE AND SINGLE
body_styleSTRAIGHT HANDLE
body_width1.120 INCHES NOMINAL IN
ring_styleCONCENTRIC
body_height0.330 INCHES NOMINAL IN
body_length0.990 INCHES NOMINAL IN
finger_typeBANANA SPRING SINGLE FINGER
joint_styleVERTICAL JOINT
blade_length3.0 MILLIMETERS NOMINAL MM
finger_length0.560 INCHES NOMINAL SINGLE FINGER IN
NSN4820-01-182-9640
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21274-001 · 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 9
34472Interchangeable
interchangeable cross-reference
interchangeable
18-259Interchangeable
interchangeable cross-reference
interchangeable
900999-8776Interchangeable
interchangeable cross-reference
interchangeable
1825WHITEInterchangeable
interchangeable cross-reference
interchangeable
14-37Interchangeable
interchangeable cross-reference
interchangeable
CM45BK751G03Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21274-001?
21274-001 is a CAPACITOR,FIXED,MICA DIELECTRIC.
What parts can replace 21274-001?
There are 9 known substitutes for 21274-001: 34472, 18-259, 900999-8776 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21274-001?
21274-001 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-182-9640. 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