NSN 4820-01-473-2164 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-473-2164. Manufacturer of record part number: 887120.
Nearby stock numbers← 4820-01-473-2153 Valve, Regulator Ay
·
4820-01-473-2165 →
4820-01-473-2164 — Valves, Nonpowered
Features
Parts Kit,check Valve — FSC 4820
2 manufacturer part numbers on file
Manufacturer of record: Watts Regulator Company
Identification
NSN: 4820-01-473-2164
NIIN: 014732164
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 887120
Manufacturer: Watts Regulator Company
General Description
The Parts Kit,check Valve, cataloged under National Stock Number 4820-01-473-2164, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Watts Regulator Company. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
C/1Advisory reference — outside the item-of-supply concept
Watts Regulator 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 4820-01-473-2164?
NSN 4820-01-473-2164 is a Parts Kit,check Valve, manufactured by Watts Regulator Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-473-2164?
NSN 4820-01-473-2164 has 2 manufacturer part numbers on file: RK909CK1-88120 (Watts Regulator Company), 887120 (Watts Regulator Company).
What are the specifications of 887120?
Key specifications for 887120: Special Features: USED ON 3/4 IN. DIA. CHECK VALVE IN; End Item Identification: STRATEGIC SEALIFT CONVERSIONS. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-473-2164 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.