PartsTable
Technical Data Sheet

VSS-4R/3SS/US — VALVE,FLOW CONTROL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

VSS-4R/3SS/US: VALVE,FLOW CONTROL.

The VALVE,FLOW CONTROL is a the manufacturer industrial component. Key specifications include body_material: STEEL COMP 303, part_name_assigned_by_controlling_agency: FULFLO V SERIES VALVE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-622-6485, 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
VSS-4R/3SS/US
NSN: 4820-01-622-6485
FSC: 4820 — Valves, Nonpowered
CAGE: 04962 — AIRLINE HYDRAULICS CORP DBA AIRLINE HYDRAULICS CORP (USA)
SPECIFICATIONS
body_materialSTEEL COMP 303
end_connection_quantity2
part_name_assigned_by_controlling_agencyFULFLO V SERIES VALVE
NSN4820-01-622-6485
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: VSS-4R/3SS/US · 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
•
END CONNECTION QUANTITY: 2
•
BODY MATERIAL: STEEL COMP 303
TECHNICAL CHARACTERISTICS
END CONNECTION QUANTITY2
BODY MATERIALSTEEL COMP 303
PART NAME ASSIGNED BY CONTROLLING AGENCYFULFLO V SERIES VALVE
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is VSS-4R/3SS/US?
VSS-4R/3SS/US is a VALVE,FLOW CONTROL.
What is the NSN for VSS-4R/3SS/US?
VSS-4R/3SS/US is cataloged in the U.S. Government catalog under NSN 4820-01-622-6485. 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.