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4820V0774 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

4820V0774: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL BODY, overall_height: 1.149 INCHES NOMINAL IN, body_inside_diameter: 0.987 INCHES NOMINAL IN, body_outside_diameter: 4.047 INCHES NOMINAL IN, seating_surface_shape: FLAT, end_item_identification: LESLIE MODEL QCGN 1.500 IN. REGULATING FLUID PRESSURE VALVE IN.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-231-2782, 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
4820V0774
NSN: 4820-01-231-2782
FSC: 4820 — Valves, Nonpowered
CAGE: 16236 — DLA LAND AND MARITIME DBA ENGINEERING AND TECHNICAL SUPPORT DIV DOCUMENT STANDARDIZATION DIVISION (VENDOR ITEM DRAWINGS) (USA)
SPECIFICATIONS
materialSTEEL BODY
overall_height1.149 INCHES NOMINAL IN
body_inside_diameter0.987 INCHES NOMINAL IN
body_outside_diameter4.047 INCHES NOMINAL IN
seating_surface_shapeFLAT
end_item_identificationLESLIE MODEL QCGN 1.500 IN. REGULATING FLUID PRESSURE VALVE IN
NSN4820-01-231-2782
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 4820V0774 · 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
•
BODY OUTSIDE DIAMETER: 4.047 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 0.987 INCHES NOMINAL IN
•
MATERIAL: STEEL BODY
•
SEATING SURFACE SHAPE: FLAT
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.149 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER4.047 INCHES NOMINAL IN
BODY INSIDE DIAMETER0.987 INCHES NOMINAL IN
END ITEM IDENTIFICATIONLESLIE MODEL QCGN 1.500 IN. REGULATING FLUID PRESSURE VALVE IN
MATERIALSTEEL BODY
SEATING SURFACE SHAPEFLAT
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 1
67942-0058Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 4820V0774?
4820V0774 is a SEAT,VALVE.
What parts can replace 4820V0774?
There is 1 known substitute for 4820V0774: 67942-0058. Substitute compatibility should be verified for your specific system.
What is the NSN for 4820V0774?
4820V0774 is cataloged in the U.S. Government catalog under NSN 4820-01-231-2782. 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.