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6120-21 — Technical Data Sheet

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— · 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

FILTER,RADIO FREQUENCY INTERFERE. Key specifications include material: STEEL AND STEEL CORROSION RESISTING, body_width: 0.940 INCHES NOMINAL IN, blade_shape: CURVED, body_height: 11.750 INCHES NOMINAL IN, body_length: 1.280 INCHES NOMINAL IN, design_type: REUSABLE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4820-01-482-9186, 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
6120-21
NSN: 4820-01-482-9186
FSC: 4820
CAGE: 33667 — KING ENGINEERING CORPORATION DBA KING-GAGE SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL AND STEEL CORROSION RESISTING
body_width0.940 INCHES NOMINAL IN
blade_shapeCURVED
body_height11.750 INCHES NOMINAL IN
body_length1.280 INCHES NOMINAL IN
design_typeREUSABLE
temp_rating32.0 FAHRENHEIT MINIMUM AND 120.0 FAHRENHEIT MAXIMUM DEGF
body_materialMETAL
mounting_typeBRACKET W/DRILLED HOLE TOP
overall_width0.940 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
overall_height2.070 INCHES NOMINAL IN
NSN4820-01-482-9186
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 6120-21 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
RF04610InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
E-4336InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
E-1430InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
E-4335 ITEM 1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
E-4300 ITEM 1FInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
2063S-6-6-5InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6120-21?
6120-21 is a FILTER,RADIO FREQUENCY INTERFERE.
What parts can replace 6120-21?
There are 10 known substitutes for 6120-21: RF04610, E-4336, E-1430 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6120-21?
6120-21 is cataloged in the Federal Logistics Information System under NSN 4820-01-482-9186. 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: September 2026