NSN 4820-01-428-6378 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-428-6378. Manufacturer of record part number: RASP21K308T.
Also searched as4820-01-428-6378 ·
4820014286378 ·
NIIN 014286378 ·
01-428-6378 ·
FSC 4820 Valves, Nonpowered · CAGE 09990 · RASP21K308T
General Characteristics Item Description: BUILT-IN PILOT OPERATED RELIEF VALVE; NITRILE SEALS; KNOB ADJUST
Thread Size and Series/type Designator: 0.750-16 UNF
1 manufacturer part number on file
Manufacturer of record: Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
Identification
NSN: 4820-01-428-6378
NIIN: 014286378
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: RASP21K308T
Manufacturer: Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
General Description
The Subplate Assembly,valve, cataloged under National Stock Number 4820-01-428-6378, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division. 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
4820-01-428-6378
Primary Part Number
RASP21K308T
Item Name
Subplate Assembly,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
Status
ACTIVE
General Characteristics Item Description
BUILT-IN PILOT OPERATED RELIEF VALVE; NITRILE SEALS; KNOB ADJUST
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA)
No interchangeability data on file.
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
4820-00-000-0097 · 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 4820-01-428-6378?
NSN 4820-01-428-6378 is a Subplate Assembly,valve, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-428-6378?
NSN 4820-01-428-6378 has 1 manufacturer part number on file: RASP21K308T (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division).
What are the specifications of RASP21K308T?
Key specifications for RASP21K308T: Overall Height: 2.000 INCHES NOMINAL IN; General Characteristics Item Description: BUILT-IN PILOT OPERATED RELIEF VALVE; NITRILE SEALS; KNOB ADJUST; Overall Length: 4.250 INCHES NOMINAL IN; Overall Width: 3.000 INCHES NOMINAL IN. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-428-6378 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.