The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-263-0040, 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 22 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-263-0040 |
| Primary Part Number | 40548-002 |
| 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 Flange Thickness | 0.438 INCHES NOMINAL IN |
| Regulation Type | AUTOMATIC SINGLE STAGE |
| Second End Relationship with First End | IDENTICAL |
| Valve Loading Method | SPRING |
| First End Bolt Hole Quantity | 4 |
| Flow Control Device | DISK |
| First End Flange Outside Diameter | 4.250 INCHES NOMINAL IN |
| Body Style | STRAIGHT THRU |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING |
| Material | NICKEL ALLOY STEM |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| First End Raised Face Diameter | 2.000 INCHES NOMINAL IN |
| Filter | NOT INCLUDED |
| First End Style Designator | RAISED |
| First End Bolt Circle Diameter | 3.125 INCHES NOMINAL IN |
| First End Connection Type | RAISED FACE FLANGE |
| End Connection Quantity | 2 |
| Face to Face Distance | 10.062 INCHES NOMINAL IN |
| First End Bolt Hole Diameter | 0.625 INCHES NOMINAL IN |
| First End Raised Face Height | 0.062 INCHES NOMINAL IN |
| Material | NICKEL ALLOY AND COPPER ALLOY SEAT |
| First End Flange Shape Style | ROUND W/ BOLT HOLES |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-01-263-0040 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 4820-01-263-0040 has 2 cross-referenced part numbers: 40548 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40548-002 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).
There are 10 known substitutes for 4820-01-263-0040: 5360-00-079-9537, 9540-00-555-0816, 9540-00-596-3196 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 40548-002: First End Flange Thickness: 0.438 INCHES NOMINAL IN; Regulation Type: AUTOMATIC SINGLE STAGE; Second End Relationship with First End: IDENTICAL; Valve Loading Method: SPRING. 22 total characteristics are documented in the Federal Logistics Information System.