The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-061-6539, 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 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-061-6539 |
| Primary Part Number | 40321-003 |
| 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 |
| Face to Face Distance | 9.438 INCHES NOMINAL IN |
| Filter | NOT INCLUDED |
| Second End Connection Type | RAISED FACE FLANGE |
| Second End Flange Thickness | 0.060 INCHES NOMINAL IN |
| Specification/standard Data | 81349-MIL-V-20065A GOVERNMENT SPECIFICATION A |
| Material | NICKEL ALLOY 400 FLOW CONTROL DEVICE |
| First End Flange Outside Diameter | 4.880 INCHES NOMINAL IN |
| Second End Flange Outside Diameter | 4.250 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | B TYPE AND B CLASS |
| Body Style | STRAIGHT THRU |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING |
| Material | NICKEL ALLOY 400 STEM |
| Second End Flange Shape Style | ROUND W/ BOLT HOLES |
| First End Recess Diameter | 2.000 INCHES NOMINAL IN |
| First End Bolt Hole Diameter | 0.750 INCHES NOMINAL IN |
| Second End Raised Face Height | 0.060 INCHES NOMINAL IN |
| Valve Stem Design | SINGLE SEAT |
| Flow Control Device | DISK |
| Second End Raised Face Diameter | 2.000 INCHES NOMINAL IN |
| Second End Bolt Circle Diameter | 3.120 INCHES NOMINAL IN |
| Media for Which Designed | WATER |
| First End Flange Thickness | 0.250 INCHES NOMINAL IN |
| Second End Bolt Hole Quantity | 4 |
| First End Style Designator | RECESSED |
| First End Connection Type | RECESSED FLANGE |
| Renewable Seat Ring Type | THREADED |
| Valve Loading Method | SPRING |
| End Connection Quantity | 2 |
| First End Recess Depth | 0.250 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 72296 | Lawler Manufacturing Company, Inc. (USA) |
| 40321-003 PRIMARY | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
| MIL-V-20065A | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 40321 | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
NSN 4820-01-061-6539 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 4820-01-061-6539 has 4 cross-referenced part numbers: 72296 (Lawler Manufacturing Company, Inc.), 40321-003 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), MIL-V-20065A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 40321 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).
There are 12 known substitutes for 4820-01-061-6539: 5950-00-007-0045, 5330-00-097-6457, 5355-00-152-8353 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 40321-003: Face to Face Distance: 9.438 INCHES NOMINAL IN; Filter: NOT INCLUDED; Special Features: CONTROLS BACK PRESSURE; Second End Connection Type: RAISED FACE FLANGE. 30 total characteristics are documented in the Federal Logistics Information System.