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NSN 4820-01-355-7620Government record, cited

Valve, Check4820-01-355-7620

NSN 4820-01-355-7620 · NIIN 013557620 · Part number 1866830
Oshkosh Defense Llc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 75Q65
Government record, cited
NSN 4820-01-355-7620 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-355-7620. Manufacturer of record part number: 1866830.
Also searched as  4820-01-355-7620 · 4820013557620 · NIIN 013557620 · 01-355-7620 · FSC 4820 Valves, Nonpowered · CAGE 75Q65 · 1866830
Nearby stock numbers  ·
Features
  • Valve,check — FSC 4820
  • 1 manufacturer part number on file
  • Manufacturer of record: Oshkosh Defense Llc
Identification
  • NSN: 4820-01-355-7620
  • NIIN: 013557620
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 1866830
  • Manufacturer: Oshkosh Defense Llc
General Description

The Valve,check, cataloged under National Stock Number 4820-01-355-7620, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Oshkosh Defense Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts
Item NameValve,check
FSC / FSG4820 — Valves, Nonpowered (FSG 48)
ManufacturersOshkosh Defense Llc (CAGE 75Q65)
Technical Specifications
ParameterValue
NSN4820-01-355-7620
Primary Part Number1866830
Item NameValve,check
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerOshkosh Defense Llc
StatusACTIVE
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
1866830 PRIMARY Oshkosh Defense Llc (USA)
Reference documents
ReferenceMeaning
1866830 5/9 Secondary reference
Oshkosh Corp
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 4820-01-355-7620?

NSN 4820-01-355-7620 is a Valve,check, manufactured by Oshkosh Defense Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-355-7620?

NSN 4820-01-355-7620 has 1 manufacturer part number on file: 1866830 (Oshkosh Defense Llc).

Is NSN 4820-01-355-7620 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.
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