NSN 4820-01-654-7646 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-654-7646. Manufacturer of record part number: 40406-702.
Also searched as4820-01-654-7646 ·
4820016547646 ·
NIIN 016547646 ·
01-654-7646 ·
FSC 4820 Valves, Nonpowered · CAGE 55378 · 40406-702
Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Valve Size: 4.0 INCHES IN
Material: BRONZE BODY
1 manufacturer part number on file
Manufacturer of record: Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Identification
NSN: 4820-01-654-7646
NIIN: 016547646
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 40406-702
Manufacturer: Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
General Description
The Valve,safety Relief, cataloged under National Stock Number 4820-01-654-7646, 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
4820-01-654-7646
Primary Part Number
40406-702
Item Name
Valve,safety Relief
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Status
ACTIVE
Connection Type
FLANGE ALL ENDS
Operating Pressure
150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
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 4820-01-654-7646?
NSN 4820-01-654-7646 is a Valve,safety Relief, 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 4820-01-654-7646?
NSN 4820-01-654-7646 has 1 manufacturer part number on file: 40406-702 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).
What are the specifications of 40406-702?
Key specifications for 40406-702: Connection Type: FLANGE ALL ENDS; Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Valve Size: 4.0 INCHES IN; Special Features: TRAC STYLE H SEAWATER PRESSURE REDUCING VALVE. 4 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-654-7646 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.