PartsTable
Technical Data Sheet

NFDD-LGV/AP — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

NFDD-LGV/AP: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include filter: NOT INCLUDED, material: ALUMINUM ALLOY BODY, body_style: STRAIGHT THRU, regulation_type: AUTOMATIC SINGLE STAGE, flow_control_device: DISK, TOP GUIDED, valve_loading_method: SPRING. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-644-0075, 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
NFDD-LGV/AP
NSN: 4820-01-644-0075
FSC: 4820 — Valves, Nonpowered
CAGE: 54035 — SUN HYDRAULICS CORPORATION (USA)
SPECIFICATIONS
filterNOT INCLUDED
materialALUMINUM ALLOY BODY
body_styleSTRAIGHT THRU
regulation_typeAUTOMATIC SINGLE STAGE
flow_control_deviceDISK, TOP GUIDED
valve_loading_methodSPRING
end_connection_quantity2
media_for_which_designedAIR
maximum_inlet_pressure_ratingERR-060
outlet_pressure_accuracy_rating.72 NON-MERCURY ALTERNATIVE - LABORATORY CHEMICALS - FIXATIVES, STAINS, REAGENTS, PRESERVATIVES
NSN4820-01-644-0075
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: NFDD-LGV/AP · 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: DISK, TOP GUIDED
•
BODY STYLE: STRAIGHT THRU
•
REGULATION TYPE: AUTOMATIC SINGLE STAGE
•
END CONNECTION QUANTITY: 2
•
VALVE LOADING METHOD: SPRING
•
MATERIAL: ALUMINUM ALLOY BODY
•
OUTLET PRESSURE ACCURACY RATING: .72 NON-MERCURY ALTERNATIVE - LABORATORY CHEMICALS - FIXATIVES, STAINS, REAGENTS, PRESERVATIVES
•
MEDIA FOR WHICH DESIGNED: AIR
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK, TOP GUIDED
BODY STYLESTRAIGHT THRU
REGULATION TYPEAUTOMATIC SINGLE STAGE
END CONNECTION QUANTITY2
VALVE LOADING METHODSPRING
MATERIALALUMINUM ALLOY BODY
OUTLET PRESSURE ACCURACY RATING.72 NON-MERCURY ALTERNATIVE - LABORATORY CHEMICALS - FIXATIVES, STAINS, REAGENTS, PRESERVATIVES
MEDIA FOR WHICH DESIGNEDAIR
MAXIMUM INLET PRESSURE RATINGERR-060
FILTERNOT INCLUDED
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 NFDD-LGV/AP?
NFDD-LGV/AP is a VALVE,REGULATING,FLUID PRESSURE.
What is the NSN for NFDD-LGV/AP?
NFDD-LGV/AP is cataloged in the U.S. Government catalog under NSN 4820-01-644-0075. 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.