Valve, Check 4820-01-566-9557 NSN 4820-01-566-9557 · NIIN 015669557 · Part number H000722
Donaldson Company, Inc. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 18265
NSN 4820-01-566-9557 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-566-9557. Manufacturer of record part number: H000722 .
Also searched as
4820-01-566-9557 ·
4820015669557 ·
NIIN 015669557 ·
01-566-9557 ·
FSC 4820 Valves, Nonpowered · CAGE 18265 · H000722 · 3693455 · 3693455 · NYH000722
Nearby stock numbers
← 4820-01-566-9421 Valve, Ball
·
4820-01-566-9800 →
4820-01-566-9557 — Valves, Nonpowered
Features
Valve,check — FSC 4820 2 manufacturer part numbers on file Manufacturer of record: Donaldson Company, Inc.
Identification
NSN: 4820-01-566-9557
NIIN: 015669557
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: H000722
Manufacturer: Donaldson Company, Inc.
General Description
The Valve,check, cataloged under National Stock Number 4820-01-566-9557, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Donaldson Company, Inc.. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
Catalog Facts
Item Name Valve,check FSC / FSG 4820 — Valves, Nonpowered (FSG 48) Manufacturers Oshkosh Defense Llc (CAGE 75Q65); Donaldson Company, Inc. (CAGE 18265)
Technical Specifications
Parameter Value NSN 4820-01-566-9557 Primary Part Number H000722 Item Name Valve,check FSC / FSG 4820 / 48 — Valves, Nonpowered Manufacturer Donaldson Company, Inc. 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
3693455 Oshkosh Defense Llc (USA)
H000722 PRIMARY Donaldson Company, Inc. (USA)
Reference documents
Reference Meaning
3693455
5/9 Secondary reference Oshkosh Corp
NYH000722
5/9 Secondary reference Donaldson Company, Inc.
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 4820-01-566-9557?
NSN 4820-01-566-9557 is a Valve,check, manufactured by Donaldson Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-566-9557?
NSN 4820-01-566-9557 has 2 manufacturer part numbers on file: 3693455 (Oshkosh Defense Llc), H000722 (Donaldson Company, Inc.).
Is NSN 4820-01-566-9557 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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