Valve, Check 4820-01-377-3997 NSN 4820-01-377-3997 · NIIN 013773997 · Part number 3099K259
Wilo Usa Llc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 13646
NSN 4820-01-377-3997 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-377-3997. Manufacturer of record part number: 3099K259 .
Also searched as
4820-01-377-3997 ·
4820013773997 ·
NIIN 013773997 ·
01-377-3997 ·
FSC 4820 Valves, Nonpowered · CAGE 13646 · 3099K259 · 19.000.870
Nearby stock numbers
← 4820-01-377-3991 Valve, Regulating, Fluid Pressure
·
4820-01-377-4006 Cap, Valve →
4820-01-377-3997 — Valves, Nonpowered
Features
Valve,check — FSC 4820 2 manufacturer part numbers on file Manufacturer of record: Wilo Usa Llc
Identification
NSN: 4820-01-377-3997
NIIN: 013773997
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 3099K259
Manufacturer: Wilo Usa Llc
General Description
The Valve,check, cataloged under National Stock Number 4820-01-377-3997, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Wilo Usa Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Catalog Facts
Item Name Valve,check FSC / FSG 4820 — Valves, Nonpowered (FSG 48) Manufacturers Wilo Usa Llc (CAGE 13646)
Technical Specifications
Parameter Value NSN 4820-01-377-3997 Primary Part Number 3099K259 Item Name Valve,check FSC / FSG 4820 / 48 — Valves, Nonpowered Manufacturer Wilo Usa Llc 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
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 4820-01-377-3997?
NSN 4820-01-377-3997 is a Valve,check, manufactured by Wilo Usa Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-377-3997?
NSN 4820-01-377-3997 has 2 manufacturer part numbers on file: 19.000.870 (Wilo Usa Llc), 3099K259 (Wilo Usa Llc).
Is NSN 4820-01-377-3997 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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