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RK 4E — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

RK 4E: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: STEEL BODY, operating_pressure: 500.00 BAR MAXIMUM SINGLE RESPONSE, flow_control_device: BALL, nominal_thread_size: 0.75 INCHES FIRST END IN, face_to_face_distance: 60.00 MILLIMETERS MM. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-656-6245, 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
RK 4E
NSN: 4820-01-656-6245
FSC: 4820 — Valves, Nonpowered
CAGE: 30780 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV TUBE FITTINGS DIVISION (USA)
SPECIFICATIONS
materialSTEEL BODY
operating_pressure500.00 BAR MAXIMUM SINGLE RESPONSE
flow_control_deviceBALL
nominal_thread_size0.75 INCHES FIRST END IN
face_to_face_distance60.00 MILLIMETERS MM
NSN4820-01-656-6245
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: RK 4E · 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
•
FLOW CONTROL DEVICE: BALL
•
STYLE DESIGNATOR: SCREW-IN CARTRIDGE
•
OPERATING PRESSURE: 500.00 BAR MAXIMUM SINGLE RESPONSE
•
NOMINAL THREAD SIZE: 0.75 INCHES FIRST END IN
•
FACE TO FACE DISTANCE: 60.00 MILLIMETERS MM
•
MATERIAL: STEEL BODY
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEBALL
STYLE DESIGNATORSCREW-IN CARTRIDGE
OPERATING PRESSURE500.00 BAR MAXIMUM SINGLE RESPONSE
NOMINAL THREAD SIZE0.75 INCHES FIRST END IN
FACE TO FACE DISTANCE60.00 MILLIMETERS MM
MATERIALSTEEL BODY
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is RK 4E?
RK 4E is a VALVE,CHECK.
What is the NSN for RK 4E?
RK 4E is cataloged in the U.S. Government catalog under NSN 4820-01-656-6245. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.