The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-476-0903, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Trac Regulator Co., Inc. Dba Trac Regulator Co Inc. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-476-0903 |
| Primary Part Number | 40404-103 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc |
| Status | ACTIVE |
| First End Connection Type | PLAIN FACE FLANGE |
| Media for Which Designed | WATER, SALT |
| Maximum Inlet Pressure Rating | ERR-060 |
| End Connection Quantity | 2 |
| Valve Stem Design | SINGLE SEAT |
| Material | NICKEL SEAT |
| Face to Face Distance | 11.625 INCHES NOMINAL IN |
| Renewable Seat Ring Type | THREADED |
| Flow Control Device | DIAPHRAGM AND DISK |
| First End Flange Shape Style | ROUND W/ BOLT HOLES |
| Valve Loading Method | SPRING |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| Outlet Pressure Range | 50.0 TO 100.0 CAMERA MOUNT |
| Regulation Type | AUTOMATIC SINGLE STAGE |
| First End Style Designator | PLAIN |
| Material | NICKEL STEM |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE |
| First End Bolt Hole Quantity | 8 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-01-476-0903 is a Valve,regulating,fluid Pressure, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-476-0903 has 2 cross-referenced part numbers: 40404-103 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40404-1 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).
There are 6 known substitutes for 4820-01-476-0903: 4820-01-156-8391, 4820-01-189-8627, 4720-01-339-7873 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 40404-103: First End Connection Type: PLAIN FACE FLANGE; Part Name Assigned by Controlling Agency: 3" TRAC STYLE 'H' SEAWATER PRESSURE REDUCING VALVE; Media for Which Designed: WATER, SALT; Maximum Inlet Pressure Rating: ERR-060. 20 total characteristics are documented in the Federal Logistics Information System.