NSN 4820-01-440-2820 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-440-2820. Manufacturer of record part number: RK3CXV0.
Also searched as4820-01-440-2820 ·
4820014402820 ·
NIIN 014402820 ·
01-440-2820 ·
FSC 4820 Valves, Nonpowered · CAGE 0GRW8 · RK3CXV0
Nearby stock numbers← 4820-01-440-2591 Parts Kit, Linear Directional Con
·
4820-01-440-2860 Valve, Linear, Directional Control →
4820-01-440-2820 — Valves, Nonpowered
Features
Parts Kit,safety Relief Valve — FSC 4820
Component Quantity: 4
Supply Items and Quantities: 1 BALL SEAT;1 ORFICE BODY;1 O,RING;1 CAP SEAL O,RING
1 manufacturer part number on file
Manufacturer of record: Hydroseal Valve Co Inc
Identification
NSN: 4820-01-440-2820
NIIN: 014402820
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: RK3CXV0
Manufacturer: Hydroseal Valve Co Inc
General Description
The Parts Kit,safety Relief Valve, cataloged under National Stock Number 4820-01-440-2820, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hydroseal Valve Co Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-440-2820
Primary Part Number
RK3CXV0
Item Name
Parts Kit,safety Relief Valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Hydroseal Valve Co Inc
Status
ACTIVE
Component Quantity
4
Supply Items and Quantities
1 BALL SEAT;1 ORFICE BODY;1 O,RING;1 CAP SEAL O,RING
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file
Frequently Asked Questions
What is NSN 4820-01-440-2820?
NSN 4820-01-440-2820 is a Parts Kit,safety Relief Valve, manufactured by Hydroseal Valve Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-440-2820?
NSN 4820-01-440-2820 has 1 manufacturer part number on file: RK3CXV0 (Hydroseal Valve Co Inc).
What are the specifications of RK3CXV0?
Key specifications for RK3CXV0: Component Quantity: 4; Supply Items and Quantities: 1 BALL SEAT;1 ORFICE BODY;1 O,RING;1 CAP SEAL O,RING. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-440-2820 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.