NSN 4820-01-457-5800 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-457-5800. Manufacturer of record part number: RA101S20-C3B.
Also searched as4820-01-457-5800 ·
4820014575800 ·
NIIN 014575800 ·
01-457-5800 ·
FSC 4820 Valves, Nonpowered · CAGE 09990 · RA101S20-C3B
Temp Rating: 40.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
Material: STEEL BODY
1 manufacturer part number on file
Manufacturer of record: Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
Identification
NSN: 4820-01-457-5800
NIIN: 014575800
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: RA101S20-C3B
Manufacturer: Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
General Description
The Valve,relief,pressure and Temper, cataloged under National Stock Number 4820-01-457-5800, 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
4820-01-457-5800
Primary Part Number
RA101S20-C3B
Item Name
Valve,relief,pressure and Temper
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
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
Related Parts in Valves
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
8171E-1/4HS2
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
D559A3M2
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 4820-01-457-5800?
NSN 4820-01-457-5800 is a Valve,relief,pressure and Temper, 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 4820-01-457-5800?
NSN 4820-01-457-5800 has 1 manufacturer part number on file: RA101S20-C3B (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division).
What are the specifications of RA101S20-C3B?
Key specifications for RA101S20-C3B: Temp Rating: 40.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF; Special Features: SIZE 0.875 INCHES; PILOT OPERATED; SPOOL TYPE; FLOWING MEDIUM HYDRAULIC; ADJUSTMENT STYLE SCREW; PRESSURE RATING RANGE 100-2000 PSI IN; End Item Identification: ABOARD 420 FT WAGB COAST GUARD VESSELS FT; Material: STEEL BODY. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-457-5800 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.