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OCP-G01-W1-21 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

OCP-G01-W1-21: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include style_designator: STRAIGHT THRU, mounting_position: HORIZONTAL, operating_pressure: 255.0 KILOGRAMS PER SQUARE CENTIMETER MAXIMUM SINGLE RESPONSE KG, flow_control_device: BALL, valve_operation_method: AUTOMATIC, part_name_assigned_by_controlling_agency: CHECK MODULAR VALVE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-677-0178, 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
OCP-G01-W1-21
NSN: 4820-01-677-0178
FSC: 4820 — Valves, Nonpowered
CAGE: 0DRM6 — NACHI AMERICA INC HYDRAULIC DIV (USA)
SPECIFICATIONS
style_designatorSTRAIGHT THRU
mounting_positionHORIZONTAL
operating_pressure255.0 KILOGRAMS PER SQUARE CENTIMETER MAXIMUM SINGLE RESPONSE KG
flow_control_deviceBALL
valve_operation_methodAUTOMATIC
part_name_assigned_by_controlling_agencyCHECK MODULAR VALVE
NSN4820-01-677-0178
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: OCP-G01-W1-21 · 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
KEY FEATURES
•
FLOW CONTROL DEVICE: BALL
•
MOUNTING POSITION: HORIZONTAL
•
STYLE DESIGNATOR: STRAIGHT THRU
•
OPERATING PRESSURE: 255.0 KILOGRAMS PER SQUARE CENTIMETER MAXIMUM SINGLE RESPONSE KG
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEBALL
MOUNTING POSITIONHORIZONTAL
STYLE DESIGNATORSTRAIGHT THRU
OPERATING PRESSURE255.0 KILOGRAMS PER SQUARE CENTIMETER MAXIMUM SINGLE RESPONSE KG
PART NAME ASSIGNED BY CONTROLLING AGENCYCHECK MODULAR VALVE
VALVE OPERATION METHODAUTOMATIC
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 OCP-G01-W1-21?
OCP-G01-W1-21 is a VALVE,CHECK.
What is the NSN for OCP-G01-W1-21?
OCP-G01-W1-21 is cataloged in the U.S. Government catalog under NSN 4820-01-677-0178. 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.