The Valve,regulating,temperature, cataloged under National Stock Number 4820-01-204-0594, 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 3 commercial cross-references from 1 manufacturer, 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 | 4820-01-204-0594 |
| Primary Part Number | 40041-503 |
| Item Name | Valve,regulating,temperature |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc |
| Status | ACTIVE |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| Material | STEEL UNS J03007 BODY |
| Material Document and Classification | MIL-S-15083, CLASS CW MIL SPEC SINGLE MATERIAL RESPONSE BODY |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Material | STEEL CORROSION RESISTING SEAT |
| Material | STEEL CORROSION RESISTING STEM |
| Material | COPPER ALLOY BULB |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Thermostatic Element | LIQUID IMMERSION TYPE |
| Capillary Tube Length | 120.000 INCHES NOMINAL IN |
| First End Flange Outside Diameter | 3.875 INCHES NOMINAL IN |
| Second End Relationship with First End | IDENTICAL |
| End Connection Quantity | 2 |
| First End Bolt Hole Quantity | 4 |
| First End Raised Face Height | 0.062 INCHES NOMINAL IN |
| First End Raised Face Diameter | 1.688 INCHES NOMINAL IN |
| First End Bolt Hole Diameter | 0.625 INCHES NOMINAL IN |
| Bulb Length | 12.000 INCHES NOMINAL IN |
| Face to Face Distance | 5.250 INCHES NOMINAL IN |
| Flow Control Device | PISTON, BOTTOM GUIDED |
| First End Bolt Circle Diameter | 2.750 INCHES NOMINAL IN |
| First End Connection Type | RAISED FACE FLANGE |
| Body Style | STRAIGHT THRU |
| First End Flange Thickness | 0.438 INCHES NOMINAL IN |
| Bulb Diameter | 0.750 INCHES NOMINAL IN |
| Temp Adjustability | ADJUSTABLE |
| First End Flange Shape Style | ROUND W/ BOLT HOLES |
| First End Style Designator | RAISED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 40041-05 PT 50000-07 | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
| 40041-503 PRIMARY | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
| 40041 | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
NSN 4820-01-204-0594 is a Valve,regulating,temperature, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-204-0594 has 3 cross-referenced part numbers: 40041-05 PT 50000-07 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40041-503 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40041 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).
There are 12 known substitutes for 4820-01-204-0594: 5935-00-201-8151, 5950-00-686-6312, 5330-01-055-6864 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 40041-503: Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE STEM; Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE SEAT; Material: STEEL UNS J03007 BODY; Material Document and Classification: MIL-S-15083, CLASS CW MIL SPEC SINGLE MATERIAL RESPONSE BODY. 29 total characteristics are documented in the Federal Logistics Information System.