Cock, Drain 4820-01-644-2426 NSN 4820-01-644-2426 · NIIN 016442426 · Part number P3-947-0290
M.t. Davidson Company · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 16062
NSN 4820-01-644-2426 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-644-2426. Manufacturer of record part number: P3-947-0290 .
Also searched as
4820-01-644-2426 ·
4820016442426 ·
NIIN 016442426 ·
01-644-2426 ·
FSC 4820 Valves, Nonpowered · CAGE 16062 · P3-947-0290 · D3-433-0004 REV E ITEM 21
Nearby stock numbers
← 4820-01-644-2364 Valve, Expansion
·
4820-01-644-2430 Valve, Safety Relief →
4820-01-644-2426 — Valves, Nonpowered
Features
Cock,drain — FSC 4820 1 manufacturer part number on file Manufacturer of record: M.t. Davidson Company
Identification
NSN: 4820-01-644-2426
NIIN: 016442426
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: P3-947-0290
Manufacturer: M.t. Davidson Company
General Description
The Cock,drain, cataloged under National Stock Number 4820-01-644-2426, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is M.t. Davidson Company. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 Cock,drain FSC / FSG 4820 — Valves, Nonpowered (FSG 48) Manufacturers M.t. Davidson Company (CAGE 16062)
Technical Specifications
Parameter Value NSN 4820-01-644-2426 Primary Part Number P3-947-0290 Item Name Cock,drain FSC / FSG 4820 / 48 — Valves, Nonpowered Manufacturer M.t. Davidson Company 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
P3-947-0290 PRIMARY M.t. Davidson Company (USA)
Reference documents
Reference Meaning
D3-433-0004 REV E ITEM 21
D/9 Drawing number reference only M.t. Davidson Company
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 4820-01-644-2426?
NSN 4820-01-644-2426 is a Cock,drain, manufactured by M.t. Davidson Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-644-2426?
NSN 4820-01-644-2426 has 1 manufacturer part number on file: P3-947-0290 (M.t. Davidson Company).
Is NSN 4820-01-644-2426 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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