The Valve,regulating,temperature, cataloged under National Stock Number 4820-01-166-5376, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-166-5376 |
| Primary Part Number | 40103-50002-45 |
| 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 | NICKEL ALLOY BULB |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Material | COPPER ALLOY BODY |
| Material | NICKEL ALLOY SEAT |
| Supplementary Features | THIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL. THE CURRENT APPROVED SOURCE, 55378, HAS INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984. THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984 |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM |
| Material | NICKEL ALLOY STEM |
| First End Style Designator | STREAMLINED WITH ONE BRAZING RING |
| End Connection Quantity | 2 |
| First End Connection Type | UNTHREADED INTERNAL PIPE |
| Capillary Tube Length | 96.000 INCHES NOMINAL IN |
| Bulb Diameter | 1.125 INCHES NOMINAL IN |
| First End Nominal Pipe Size Accommodated | 1.250 INCHES IN |
| Body Style | STRAIGHT THRU |
| Temp Adjustability | ADJUSTABLE |
| Flow Control Device | STEM AND INTEGRAL DISK |
| Thermostatic Element | LIQUID IMMERSION TYPE |
| Temp Rating | 65.0 FAHRENHEIT MINIMUM AND 95.0 FAHRENHEIT MAXIMUM DEGF |
| Second End Relationship with First End | IDENTICAL |
| Bulb Length | 12.500 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 40103 | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
| 40103-50002-45 PRIMARY | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
NSN 4820-01-166-5376 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 4820-01-166-5376 has 2 cross-referenced part numbers: 40103 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40103-50002-45 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).
There are 12 known substitutes for 4820-01-166-5376: 3110-00-156-8102, 1420-00-446-5219, 1630-00-607-8447 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 40103-50002-45: Material: NICKEL ALLOY BULB; Material: NICKEL ALLOY FLOW CONTROL DEVICE; Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE; Material: COPPER ALLOY BODY. 22 total characteristics are documented in the Federal Logistics Information System.