The Valve,regulating,temperature, cataloged under National Stock Number 4820-01-321-3045, 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 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-321-3045 |
| Primary Part Number | 40473 |
| 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-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| Material | NICKEL ALLOY STEM |
| Reference Number Differentiating Characteristics | QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
| Material | COPPER ALLOY 922 BODY |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Material Document and Classification | MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE BODY |
| Material | NICKEL ALLOY SEAT |
| Material | PLASTIC TETRAFLUOROETHYLENE PACKING |
| Flow Control Device | DOUBLE SEATED |
| First End Style Designator | PLAIN |
| First End Connection Type | PLAIN FACE FLANGE |
| Thermostatic Element | LIQUID IMMERSION TYPE |
| End Connection Quantity | 2 |
| Face to Face Distance | 7.500 INCHES NOMINAL IN |
| Bulb Length | 6.125 INCHES NOMINAL IN |
| Second End Relationship with First End | IDENTICAL |
| Capillary Tube Length | 120.000 INCHES NOMINAL IN |
| Furnished Items | ADJUSTMENT STEM AND BONNET |
| Criticality Code Justification | ZZZY |
| Bulb Diameter | 1.500 INCHES NOMINAL IN |
| Body Style | STRAIGHT THRU |
| Two-Way Valve Action | REVERSE ACTING |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 40473 | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
| 40473L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| NLSC ER 45190 - LAR PY-83473 | Naval Inventory Control Point Mechanicsburg (USA) |
NSN 4820-01-321-3045 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 4820-01-321-3045 has 3 cross-referenced part numbers: 40473 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40473L1 (Naval Inventory Control Point Mechanicsburg), NLSC ER 45190 - LAR PY-83473 (Naval Inventory Control Point Mechanicsburg).
There are 8 known substitutes for 4820-01-321-3045: 4820-01-098-5512, 4820-01-106-8319, 4820-01-113-4572 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 40473: Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT; Material: NICKEL ALLOY STEM; Reference Number Differentiating Characteristics: QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS; Material: COPPER ALLOY 922 BODY. 24 total characteristics are documented in the Federal Logistics Information System.