The Valve,regulating,temperature, cataloged under National Stock Number 4820-01-533-0791, 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 20 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-01-533-0791 |
| Primary Part Number | 40203-402 |
| Item Name | Valve,regulating,temperature |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc |
| Status | CANCELLED |
| Material | NICKEL ALLOY R-405 STEM |
| Material Document and Classification | QQ-N-281, CLASS B FED SPEC SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE BODY |
| Material | NICKEL ALLOY R-405 SEAT |
| Material Document and Classification | QQ-N-281, CLASS B FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| Material | COPPER ALLOY 922 BODY |
| Media for Which Designed | WATER, SALT |
| Second End Relationship with First End | IDENTICAL |
| First End Connection Type | SILVER BRAZING |
| Temp Rating | 80.0 FAHRENHEIT MINIMUM AND 120.0 FAHRENHEIT MAXIMUM DEGF |
| Body Style | STRAIGHT THRU |
| Furnished Items | BONNET AND TAILPIECE AND INDICATOR |
| Temp Adjustability | ADJUSTABLE |
| Flow Control Device | STEM AND INTEGRAL DISK |
| Two-Way Valve Action | REVERSE ACTING |
| End Connection Quantity | 2 |
| Valve Size | 1.250 INCHES IN |
| Bulb Length | 12.000 INCHES NOMINAL IN |
| Bulb Diameter | 1.000 INCHES NOMINAL IN |
| Face to Face Distance | 7.218 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 40203-402 PRIMARY | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
| 40203-4 | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
| 40203-4 ASSEMBLY 40203-402 | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
NSN 4820-01-533-0791 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: cancelled.
NSN 4820-01-533-0791 has 3 cross-referenced part numbers: 40203-402 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40203-4 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40203-4 ASSEMBLY 40203-402 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).
There are 3 known substitutes for 4820-01-533-0791: 5935-00-814-9830, 5985-01-260-5963, 2910-01-364-8630. Verify interchangeability with system specifications before substitution.
Key specifications for 40203-402: Material: NICKEL ALLOY R-405 STEM; Material Document and Classification: QQ-N-281, CLASS B FED SPEC SINGLE MATERIAL RESPONSE STEM; Material Document and Classification: MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE BODY; Material: NICKEL ALLOY R-405 SEAT. 21 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-01-533-0791 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.