NSN 4820-01-286-2013 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-286-2013. Manufacturer of record part number: 1850-OL .75X1 ITEM 4.
Nearby stock numbers← 4820-01-286-2010 Ring Regulator
·
4820-01-286-2019 Valve Assembly, Cleaning System →
4820-01-286-2013 — Valves, Nonpowered
Features
Blow Down Ring,valve — FSC 4820
General Characteristics Item Description: CRES; 40 PSI SET PRESSURE; FOR 0.750 IN. VALVE IN
1 manufacturer part number on file
Manufacturer of record: Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris
Identification
NSN: 4820-01-286-2013
NIIN: 012862013
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 1850-OL .75X1 ITEM 4
Manufacturer: Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris
General Description
The Blow Down Ring,valve, cataloged under National Stock Number 4820-01-286-2013, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris. Government technical data includes 1 specification, 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
4820-01-286-2013
Primary Part Number
1850-OL .75X1 ITEM 4
Item Name
Blow Down Ring,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris
Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris (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 4820-01-286-2013?
NSN 4820-01-286-2013 is a Blow Down Ring,valve, manufactured by Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-286-2013?
NSN 4820-01-286-2013 has 1 manufacturer part number on file: 1850-OL .75X1 ITEM 4 (Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris).
What are the specifications of 1850-OL .75X1 ITEM 4?
Key specifications for 1850-OL .75X1 ITEM 4: General Characteristics Item Description: CRES; 40 PSI SET PRESSURE; FOR 0.750 IN. VALVE IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-01-286-2013 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.