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MPCO12SI-NY — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

MPCO12SI-NY: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: RUBBER SEAT, valve_size: 0.750 INCHES IN, connection_type: UNTHREADED EXTERNAL TUBE ALL ENDS, style_designator: STRAIGHT THRU, face_to_face_distance: 1.625 INCHES IN, valve_operation_method: AUTOMATIC. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-607-3291, 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
MPCO12SI-NY
NSN: 4820-01-607-3291
FSC: 4820 — Valves, Nonpowered
CAGE: 3CTH6 — PLAST-O-MATIC VALVES, INCORPORATED (USA)
SPECIFICATIONS
materialRUBBER SEAT
valve_size0.750 INCHES IN
connection_typeUNTHREADED EXTERNAL TUBE ALL ENDS
style_designatorSTRAIGHT THRU
face_to_face_distance1.625 INCHES IN
valve_operation_methodAUTOMATIC
part_name_assigned_by_controlling_agencySERIES MPC MINIATURE PLASTIC CHECK VALVE
nominal_outside_diameter_tube_accommodated0.125 INCHES ALL ENDS IN
NSN4820-01-607-3291
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: MPCO12SI-NY · 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
•
CONNECTION TYPE: UNTHREADED EXTERNAL TUBE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.125 INCHES ALL ENDS IN
•
VALVE SIZE: 0.750 INCHES IN
•
FACE TO FACE DISTANCE: 1.625 INCHES IN
•
MATERIAL: RUBBER SEAT
TECHNICAL CHARACTERISTICS
CONNECTION TYPEUNTHREADED EXTERNAL TUBE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.125 INCHES ALL ENDS IN
VALVE SIZE0.750 INCHES IN
FACE TO FACE DISTANCE1.625 INCHES IN
PART NAME ASSIGNED BY CONTROLLING AGENCYSERIES MPC MINIATURE PLASTIC CHECK VALVE
MATERIALRUBBER SEAT
MATERIALPLASTIC POLYAMIDE NYLON BODY
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MPCO12SI-NY?
MPCO12SI-NY is a VALVE,CHECK.
What is the NSN for MPCO12SI-NY?
MPCO12SI-NY is cataloged in the U.S. Government catalog under NSN 4820-01-607-3291. 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.