NSN 4820-01-398-1986 · NIIN 013981986 · Part number 3220-450
Superior Valve Co · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 58553
Government record, cited
NSN 4820-01-398-1986 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-398-1986. Manufacturer of record part number: 3220-450.
Also searched as4820-01-398-1986 ·
4820013981986 ·
NIIN 013981986 ·
01-398-1986 ·
FSC 4820 Valves, Nonpowered · CAGE 58553 · 3220-450
Operating Pressure: 450.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Material: COPPER ALLOY BODY
Valve Operation Method: AUTOMATIC
1 manufacturer part number on file
Manufacturer of record: Superior Valve Co
Identification
NSN: 4820-01-398-1986
NIIN: 013981986
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 3220-450
Manufacturer: Superior Valve Co
General Description
The Valve,safety Relief, cataloged under National Stock Number 4820-01-398-1986, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Superior Valve Co. Government technical data includes 5 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
4820-01-398-1986
Primary Part Number
3220-450
Item Name
Valve,safety Relief
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Superior Valve Co
Status
ACTIVE
Flow Control Device
DISK
Style Designator
ANGLE
Operating Pressure
450.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
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 4820-01-398-1986?
NSN 4820-01-398-1986 is a Valve,safety Relief, manufactured by Superior Valve Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-398-1986?
NSN 4820-01-398-1986 has 1 manufacturer part number on file: 3220-450 (Superior Valve Co).
What are the specifications of 3220-450?
Key specifications for 3220-450: Flow Control Device: DISK; Style Designator: ANGLE; Operating Pressure: 450.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; End Item Identification: 1730012724402. 5 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-398-1986 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.