NSN 4820-01-180-4920 · NIIN 011804920 · Part number 21-19743MKACP
Naval Inventory Control Point Mechanicsburg · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 03950
Government record, cited
NSN 4820-01-180-4920 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-180-4920. Manufacturer of record part number: 21-19743MKACP.
Manufacturer of record: Naval Inventory Control Point Mechanicsburg
Identification
NSN: 4820-01-180-4920
NIIN: 011804920
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 21-19743MKACP
Manufacturer: Naval Inventory Control Point Mechanicsburg
General Description
The Valve Assembly, cataloged under National Stock Number 4820-01-180-4920, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 Assembly
FSC / FSG
4820 — Valves, Nonpowered (FSG 48)
Manufacturers
Naval Inventory Control Point Mechanicsburg (CAGE 03950)
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 4820-01-180-4920?
NSN 4820-01-180-4920 is a Valve Assembly, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-180-4920?
NSN 4820-01-180-4920 has 1 manufacturer part number on file: 21-19743MKACP (Naval Inventory Control Point Mechanicsburg).
Is NSN 4820-01-180-4920 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.
What is the DEMIL code for NSN 4820-01-180-4920?
NSN 4820-01-180-4920 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.