The Thermal Element Assembly, cataloged under National Stock Number 4820-01-018-7589, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Standard-Thomson Corporation. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-018-7589 |
| Primary Part Number | 8B097-002 |
| Item Name | Thermal Element Assembly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Standard-Thomson Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | SPRING RATE INCREASE TO BE 13 LB/IN.,PISTON STROKE 0.580 IN. MIN FROM 90 TO 115 DEG F,0.700 IN. MAX AT 160 DEG F,1.137 IN. FROM FLANGE TO GUIDE LBS |
| 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 |
|---|---|
| 8B390 PART 8B097-002 | Standard-Thomson Corporation (USA) |
| 8B097-002 PRIMARY | Standard-Thomson Corporation (USA) |
NSN 4820-01-018-7589 is a Thermal Element Assembly, manufactured by Standard-Thomson Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-018-7589 has 2 manufacturer part numbers on file: 8B390 PART 8B097-002 (Standard-Thomson Corporation), 8B097-002 (Standard-Thomson Corporation).
Key specifications for 8B097-002: General Characteristics Item Description: SPRING RATE INCREASE TO BE 13 LB/IN.,PISTON STROKE 0.580 IN. MIN FROM 90 TO 115 DEG F,0.700 IN. MAX AT 160 DEG F,1.137 IN. FROM FLANGE TO GUIDE LBS. 1 specification is 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.