NSN 4820-01-346-1746 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-346-1746. Manufacturer of record part number: 40446-202.
Also searched as4820-01-346-1746 ·
4820013461746 ·
NIIN 013461746 ·
01-346-1746 ·
FSC 4820 Valves, Nonpowered · CAGE 55378 · 40446-202
Material Document and Classification: UNABLE TO DECODE
Material: RUBBER FLOW CONTROL DEVICE
Material: COPPER ALLOY 922 BODY
1 manufacturer part number on file
Manufacturer of record: Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Identification
NSN: 4820-01-346-1746
NIIN: 013461746
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 40446-202
Manufacturer: Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
General Description
The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-346-1746, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Trac Regulator Co., Inc. Dba Trac Regulator Co Inc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-346-1746
Primary Part Number
40446-202
Item Name
Valve,regulating,fluid Pressure
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Trac Regulator Co., Inc. Dba Trac Regulator Co 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 4820-01-346-1746?
NSN 4820-01-346-1746 is a Valve,regulating,fluid Pressure, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-346-1746?
NSN 4820-01-346-1746 has 1 manufacturer part number on file: 40446-202 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).
What are the specifications of 40446-202?
Key specifications for 40446-202: Flow Control Device: DIAPHRAGM; Material Document and Classification: UNABLE TO DECODE; Material: RUBBER FLOW CONTROL DEVICE; Material: COPPER ALLOY 922 BODY. 4 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-346-1746 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.