The Valve,regulating,temperature, cataloged under National Stock Number 4820-01-075-6592, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 26 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-075-6592 |
| Primary Part Number | 7M504-1 |
| Item Name | Valve,regulating,temperature |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Flow Control Device | POPPET, DUAL DISK |
| Two-Way Valve Action | REVERSE ACTING |
| Second End Seat Angle in Deg | 37.0 |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | NOT IDENTICAL |
| Second End Thread Class | 3A A |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OUTSIDE |
| Body Style | STRAIGHT THRU |
| First End Seat Angle in Deg | 37.0 |
| First End Thread Class | 3A A |
| First End Style Designator | FLARED |
| Material Document and Classification | QQ-S-763, CLASS 316 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| End Connection Quantity | 2 |
| Second End Thread Direction | RIGHT-HAND |
| Second End Style Designator | FLARED |
| First End Connection Type | THREADED EXTERNAL TUBE |
| Temp Adjustability | ADJUSTABLE |
| Surface Treatment | PASSIVATE OUTSIDE |
| Thermostatic Element | INTEGRAL W/VALVE |
| First End Outside Diameter Tube Accommodated | 0.250 INCHES NOMINAL IN |
| Material | STEEL COMP 316 BODY |
| Material | RUBBER FLUOROSILICONE CLASS FQ PACKING |
| Second End Connection Type | THREADED EXTERNAL TUBE |
| Thread Size and Series/type Designator | 7/16-20 UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END |
| Thread Size and Series/type Designator | 3/8-24 UNIFIED NATIONAL JOINT FINE (UNJF) SECOND END |
| Second End Outside Diameter Tube Accommodated | 0.188 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7M504-1 | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 1103TV117 | 3/2 Design control — primary reference U.S. Government activity |
| 7M504 | D/9 Drawing number reference only The Boeing Company Div Defense |
NSN 4820-01-075-6592 is a Valve,regulating,temperature, manufactured by The Boeing Company Div Defense, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-075-6592 has 1 manufacturer part number on file: 7M504-1 (The Boeing Company Div Defense).
Key specifications for 7M504-1: Flow Control Device: POPPET, DUAL DISK; Two-Way Valve Action: REVERSE ACTING; Second End Seat Angle in Deg: 37.0; First End Thread Direction: RIGHT-HAND. 26 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 4820-01-075-6592 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.