The Valve,regulating,temperature, cataloged under National Stock Number 4820-01-464-5054, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Lawler Manufacturing Company, Inc.. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-464-5054 |
| Primary Part Number | 1662-D45T90DEGF1.50IN NON-ASBEST |
| Item Name | Valve,regulating,temperature |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Lawler Manufacturing Company, Inc. |
| Status | ACTIVE |
| Temp Rating | -45.0 FAHRENHEIT MINIMUM AND 90.0 FAHRENHEIT MAXIMUM DEGF |
| Temp Adjustability | ADJUSTABLE |
| 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 |
|---|---|
| 1662-D45T90DEGF1.50IN NON-ASBEST PRIMARY | Lawler Manufacturing Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 1662-D REV A | D/9 Drawing number reference only Lawler Manufacturing Company, Inc. |
NSN 4820-01-464-5054 is a Valve,regulating,temperature, manufactured by Lawler Manufacturing Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-464-5054 has 1 manufacturer part number on file: 1662-D45T90DEGF1.50IN NON-ASBEST (Lawler Manufacturing Company, Inc.).
Key specifications for 1662-D45T90DEGF1.50IN NON-ASBEST: Temp Rating: -45.0 FAHRENHEIT MINIMUM AND 90.0 FAHRENHEIT MAXIMUM DEGF; Temp Adjustability: ADJUSTABLE; Special Features: NHA VALVE TEMP RE; End Item Identification: W/S CODE NIMITZ CLASS CVN. 2 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.