The Valve,regulating,temperature, cataloged under National Stock Number 4820-00-106-0993, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-106-0993 |
| Primary Part Number | 307571 |
| Item Name | Valve,regulating,temperature |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. |
| Status | ACTIVE |
| Flow Control Device | CONE, TOP GUIDED |
| Two-Way Valve Action | REVERSE ACTING |
| Second End Relationship with First End | NOT IDENTICAL |
| Body Style | ANGLE |
| First End Seat Angle in Deg | 37.0 |
| First End Style Designator | SWIVEL NUT, FLARE |
| End Connection Quantity | 2 |
| Second End Style Designator | PLAIN |
| Temp Adjustability | ADJUSTABLE |
| Thermostatic Element | LIQUID IMMERSION TYPE |
| 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 |
|---|---|
| 307571 PRIMARY | Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 307571 | 5/9 Secondary reference Howden Fluid Systems |
NSN 4820-00-106-0993 is a Valve,regulating,temperature, manufactured by Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-106-0993 has 1 manufacturer part number on file: 307571 (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 5935-00-583-9526, 5305-01-184-5934. Verify interchangeability with system specifications before substitution.
Key specifications for 307571: Flow Control Device: CONE, TOP GUIDED; Two-Way Valve Action: REVERSE ACTING; Second End Relationship with First End: NOT IDENTICAL; Body Style: ANGLE. 10 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.