NSN 4820-01-595-0313 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-595-0313. Manufacturer of record part number: COJA-XBN.
Operating Pressure: 350.0 BAR MAXIMUM SINGLE RESPONSE
Disk Loading Method: SPRING
Material: STEEL OVERALL
Opening Pressure Setting: 1.0 BAR
Valve Operation Method: AUTOMATIC
Identification
NSN: 4820-01-595-0313
NIIN: 015950313
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: COJA-XBN
Manufacturer: Sun Hydraulics Corporation
General Description
The Valve,check, cataloged under National Stock Number 4820-01-595-0313, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Sun Hydraulics Corporation. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt) (GBR)
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 4820-01-595-0313?
NSN 4820-01-595-0313 is a Valve,check, manufactured by Sun Hydraulics Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-595-0313?
NSN 4820-01-595-0313 has 4 manufacturer part numbers on file: COJA-XBN (Sun Hydraulics Corporation), U80038953 (Mactaggart Scott & Co Ltd), COJA-XBN (Sun Hydraulics Ltd), 40085003 (Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt)).
What are the specifications of COJA-XBN?
Key specifications for COJA-XBN: Connection Type: THREADED CARTRIDGE FIRST END; Style Designator: SCREW-IN CARTRIDGE; Operating Pressure: 350.0 BAR MAXIMUM SINGLE RESPONSE; Disk Loading Method: SPRING. 7 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-595-0313 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.