The Valve,regulating,temperature, cataloged under National Stock Number 4820-01-033-1679, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Grimes Aerospace Company. Government technical data includes 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-033-1679 |
| Primary Part Number | 8B052-000 |
| Item Name | Valve,regulating,temperature |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Grimes Aerospace Company |
| Status | ACTIVE |
| Flow Control Device | CONE, TOP GUIDED |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | IDENTICAL |
| Body Style | TEE |
| First End Thread Class | 3B |
| Third End Relationship with Preceding Ends | IDENTICAL WITH FIRST END |
| First End Style Designator | GASKET SEAL |
| Material Document and Classification | QQ-A-225/8, ALLOY 6061, T6 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| End Connection Quantity | 3 |
| First End Connection Type | THREADED INTERNAL BOSS |
| Temp Adjustability | NOT ADJUSTABLE |
| Surface Treatment | ANODIZE AND ENAMEL OUTSIDE |
| Thermostatic Element | INTEGRAL W/VALVE |
| Material | ALUMINUM ALLOY 6061 BODY |
| Thread Size and Series/type Designator | 2-1/2-12 UNIFIED NATIONAL JOINT (UNJ) FIRST END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8B052-000 PRIMARY | Grimes Aerospace Company (USA) |
NSN 4820-01-033-1679 is a Valve,regulating,temperature, manufactured by Grimes Aerospace Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-033-1679 has 1 manufacturer part number on file: 8B052-000 (Grimes Aerospace Company).
Key specifications for 8B052-000: Flow Control Device: CONE, TOP GUIDED; First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: IDENTICAL; Body Style: TEE. 15 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.
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.