NSN 4820-01-325-9014 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-325-9014. Manufacturer of record part number: 1858654 ITEM 1.
Manufacturer of record: Northrop Grumman Systems Corporation
Identification
NSN: 4820-01-325-9014
NIIN: 013259014
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 1858654 ITEM 1
Manufacturer: Northrop Grumman Systems Corporation
General Description
The Valve,check, cataloged under National Stock Number 4820-01-325-9014, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
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 4820-01-325-9014?
NSN 4820-01-325-9014 is a Valve,check, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-325-9014?
NSN 4820-01-325-9014 has 3 manufacturer part numbers on file: 1977621 ITEM 39 (Northrop Grumman Systems Corporation), 1858654-1 (Northrop Grumman Systems Corporation), 1858654 ITEM 1 (Northrop Grumman Systems Corporation).
What are the specifications of 1858654 ITEM 1?
Key specifications for 1858654 ITEM 1: Flow Control Device: DISK; Valve Size: 1.000 INCHES IN; Valve Operation Method: AUTOMATIC. 3 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-325-9014 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.