NSN 4820-01-255-1944 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-255-1944. Manufacturer of record part number: 2270.
Manufacturer of record: Greno Industries, Inc. Dba Greno Industries Inc
Identification
NSN: 4820-01-255-1944
NIIN: 012551944
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 2270
Manufacturer: Greno Industries, Inc. Dba Greno Industries Inc
General Description
The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-255-1944, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Greno Industries, Inc. Dba Greno Industries Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Greno Industries, Inc. Dba Greno Industries Inc (USA)
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 4820-01-255-1944?
NSN 4820-01-255-1944 is a Valve,regulating,fluid Pressure, manufactured by Greno Industries, Inc. Dba Greno Industries Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-255-1944?
NSN 4820-01-255-1944 has 2 manufacturer part numbers on file: 2270 (Greno Industries, Inc. Dba Greno Industries Inc), 2500XX 16 (Greno Industries, Inc. Dba Greno Industries Inc).
What are the specifications of 2270?
Key specifications for 2270: Second End Relationship with First End: IDENTICAL; End Connection Quantity: 2; First End Connection Type: THREADED EXTERNAL PIPE. 3 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-255-1944 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.