PartsTable TECHNICAL DATA SHEET
NSN 4820-00-689-5928Government record, cited

Valve, Check4820-00-689-5928

NSN 4820-00-689-5928 · NIIN 006895928 · Part number S6L650C
Durabla Mfg Co · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 72021
Government record, cited
NSN 4820-00-689-5928 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-689-5928. Manufacturer of record part number: S6L650C.
Also searched as  4820-00-689-5928 · 4820006895928 · NIIN 006895928 · 00-689-5928 · FSC 4820 Valves, Nonpowered · CAGE 72021 · S6L650C
Nearby stock numbers  ·
Features
  • Valve,check — FSC 4820
  • Flow Control Device: DISK
  • Flange Shape: ROUND FIRST END
  • Flange Face Design: PLAIN FIRST END
  • Mounting Position: HORIZONTAL
  • Connection Type: FLANGE FIRST END
  • Style Designator: STRAIGHT THRU
  • Nominal Outside Diameter: 4.365 INCHES FIRST END IN
Identification
  • NSN: 4820-00-689-5928
  • NIIN: 006895928
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: S6L650C
  • Manufacturer: Durabla Mfg Co
General Description

The Valve,check, cataloged under National Stock Number 4820-00-689-5928, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Durabla Mfg Co. Government technical data includes 10 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
ParameterValue
NSN4820-00-689-5928
Primary Part NumberS6L650C
Item NameValve,check
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerDurabla Mfg Co
StatusACTIVE
Flow Control DeviceDISK
Flange ShapeROUND FIRST END
Flange Face DesignPLAIN FIRST END
Mounting PositionHORIZONTAL
Connection TypeFLANGE FIRST END
Style DesignatorSTRAIGHT THRU
Nominal Outside Diameter4.365 INCHES FIRST END IN
MaterialSTEEL CORROSION RESISTING OVERALL
Valve Operation MethodAUTOMATIC
Nominal Thickness0.250 INCHES FIRST END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
S6L650C PRIMARY Durabla Mfg Co (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 4820-00-689-5928?

NSN 4820-00-689-5928 is a Valve,check, manufactured by Durabla Mfg Co, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-00-689-5928?

NSN 4820-00-689-5928 has 1 manufacturer part number on file: S6L650C (Durabla Mfg Co).

What are the specifications of S6L650C?

Key specifications for S6L650C: Flow Control Device: DISK; Flange Shape: ROUND FIRST END; Flange Face Design: PLAIN FIRST END; Mounting Position: HORIZONTAL. 10 specifications are documented in the U.S. Government catalog.

Is NSN 4820-00-689-5928 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.
PartsTable Design LLC · partstable.com