Valve, Safety Relief 4820-01-389-2644 NSN 4820-01-389-2644 · NIIN 013892644 · Part number 0563-00-031-B
The Hilliard Corp · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 28718
NSN 4820-01-389-2644 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-389-2644. Manufacturer of record part number: 0563-00-031-B .
Also searched as
4820-01-389-2644 ·
4820013892644 ·
NIIN 013892644 ·
01-389-2644 ·
FSC 4820 Valves, Nonpowered · CAGE 28718 · 0563-00-031-B · 3101-25-001-D ITEM 5
Nearby stock numbers
← 4820-01-389-2637 Valve Assembly, Manifold
·
4820-01-389-2651 →
4820-01-389-2644 — Valves, Nonpowered
Features
Valve,safety Relief — FSC 4820 1 manufacturer part number on file Manufacturer of record: The Hilliard Corp
Identification
NSN: 4820-01-389-2644
NIIN: 013892644
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 0563-00-031-B
Manufacturer: The Hilliard Corp
General Description
The Valve,safety Relief, cataloged under National Stock Number 4820-01-389-2644, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is The Hilliard Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 Name Valve,safety Relief FSC / FSG 4820 — Valves, Nonpowered (FSG 48) Manufacturers The Hilliard Corp (CAGE 28718)
Technical Specifications
Parameter Value NSN 4820-01-389-2644 Primary Part Number 0563-00-031-B Item Name Valve,safety Relief FSC / FSG 4820 / 48 — Valves, Nonpowered Manufacturer The Hilliard Corp Status ACTIVE
Lifecycle & Compliance
Acquisition Status ACTIVE DEMIL Code DEMIL A — No Demilitarization Required Hazard No hazard code in the DLA record (HMIC N) Criticality Code X
Cross-Reference Index
Part Number Manufacturer
0563-00-031-B PRIMARY The Hilliard Corp (USA)
Reference documents
Reference Meaning
3101-25-001-D ITEM 5
5/9 Secondary reference The Hilliard 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 4820-01-389-2644?
NSN 4820-01-389-2644 is a Valve,safety Relief, manufactured by The Hilliard Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-389-2644?
NSN 4820-01-389-2644 has 1 manufacturer part number on file: 0563-00-031-B (The Hilliard Corp).
Is NSN 4820-01-389-2644 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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