NSN 4820-00-953-2189 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-953-2189. Manufacturer of record part number: 823D9.
Manufacturer of record: Lawler Manufacturing Company, Inc.
Identification
NSN: 4820-00-953-2189
NIIN: 009532189
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 823D9
Manufacturer: Lawler Manufacturing Company, Inc.
General Description
The Thermostat Assembly, cataloged under National Stock Number 4820-00-953-2189, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Lawler Manufacturing Company, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
C/1Advisory reference — outside the item-of-supply concept
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
No interchangeability data on file.
Other items in FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file
Frequently Asked Questions
What is NSN 4820-00-953-2189?
NSN 4820-00-953-2189 is a Thermostat Assembly, manufactured by Lawler Manufacturing Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-00-953-2189?
NSN 4820-00-953-2189 has 1 manufacturer part number on file: 823D9 (Lawler Manufacturing Company, Inc.).
What are the specifications of 823D9?
Key specifications for 823D9: End Item Identification: VL TEMP REG .75IPS 50-105 DEG F DEGF. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4820-00-953-2189 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.