The Valve,regulating,temperature, cataloged under National Stock Number 4820-01-449-2103, 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 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-449-2103 |
| Primary Part Number | 40054-407 |
| 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 |
| Nondefinitive Spec/std Data | II TYPE AND 2 CLASS |
| Capillary Tube Length | 120.000 INCHES NOMINAL IN |
| Material | COPPER ALLOY BULB |
| Bulb Length | 12.000 INCHES NOMINAL IN |
| Two-Way Valve Action | REVERSE ACTING |
| First End Nominal Pipe Size Accommodated | 1.500 INCHES IN |
| Temp Adjustability | ADJUSTABLE |
| Bulb Diameter | 1.125 INCHES NOMINAL IN |
| Second End Relationship with First End | IDENTICAL |
| Temp Rating | 44.0 FAHRENHEIT MINIMUM AND 70.0 FAHRENHEIT MAXIMUM DEGF |
| Flow Control Device | DOUBLE SEATED |
| First End Style Designator | SOCKET W/BRAZING RING |
| End Connection Quantity | 2 |
| Thermostatic Element | FINNED |
| Material | COPPER ALLOY STEM |
| Body Style | STRAIGHT THRU |
| Material | COPPER ALLOY FLOW CONTROL DEVICE |
| Material | COPPER ALLOY SEAT |
| Material | COPPER ALLOY BODY |
| First End Connection Type | UNTHREADED INTERNAL PIPE |
| Specification/standard Data | 81349-MIL-V-19772A GOVERNMENT SPECIFICATION A |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 40054-4 ITEM 40054-407 | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
| 40054-4 | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
| MIL-V-19772A | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 40054-407 PRIMARY | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
| MIL-DTL-19772 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 4820-01-449-2103 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 4820-01-449-2103 has 5 cross-referenced part numbers: 40054-4 ITEM 40054-407 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40054-4 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), MIL-V-19772A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 40054-407 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), MIL-DTL-19772 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 11 known substitutes for 4820-01-449-2103: 5330-00-627-1274, 5315-01-078-8797, 5310-01-168-4484 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 40054-407: Nondefinitive Spec/std Data: II TYPE AND 2 CLASS; Capillary Tube Length: 120.000 INCHES NOMINAL IN; Material: COPPER ALLOY BULB; Bulb Length: 12.000 INCHES NOMINAL IN. 22 total characteristics are documented in the Federal Logistics Information System.