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NSN 4820-01-368-9643Government record, cited

Valve, Check4820-01-368-9643

NSN 4820-01-368-9643 · NIIN 013689643 · Part number 02331-1815
Atap Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 22638
Government record, cited
NSN 4820-01-368-9643 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-368-9643. Manufacturer of record part number: 02331-1815.
Also searched as  4820-01-368-9643 · 4820013689643 · NIIN 013689643 · 01-368-9643 · FSC 4820 Valves, Nonpowered · CAGE 22638 · 02331-1815 · 2331-1815
Nearby stock numbers  ·
Features
  • Valve,check — FSC 4820
  • 1 manufacturer part number on file
  • Manufacturer of record: Atap Inc
Identification
  • NSN: 4820-01-368-9643
  • NIIN: 013689643
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 02331-1815
  • Manufacturer: Atap Inc
General Description

The Valve,check, cataloged under National Stock Number 4820-01-368-9643, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Atap Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-368-9643
Primary Part Number02331-1815
Item NameValve,check
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerAtap Inc
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
02331-1815 PRIMARY Atap Inc (USA)
Reference documents
ReferenceMeaning
02331-1815 5/9 Secondary reference
U.S. Government activity
2331-1815 5/9 Secondary reference
Asrc Federal Facilities Logistics, Llc
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 4820-01-368-9643?

NSN 4820-01-368-9643 is a Valve,check, manufactured by Atap Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-368-9643?

NSN 4820-01-368-9643 has 1 manufacturer part number on file: 02331-1815 (Atap Inc).

What are the specifications of 02331-1815?

Key specifications for 02331-1815: End Item Identification: 25K CARGO LOADER. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-368-9643 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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