The Thermostat,flow Control, cataloged under National Stock Number 6685-01-555-4820, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Cummins Inc.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-555-4820 |
| Primary Part Number | 5273379 |
| Item Name | Thermostat,flow Control |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 4936026 | Amz Alabama Inc. (USA) |
| 5273379 PRIMARY | Cummins Inc. (USA) |
| Reference | Meaning |
|---|---|
| 4992231 | 5/9 Secondary reference Cummins Inc. |
| 101519 | 5/9 Secondary reference Protected Vehicles Inc Dba P V I |
| 4936026 | 5/9 Secondary reference Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc |
| 4936026 | 5/9 Secondary reference Cummins Inc. |
NSN 6685-01-555-4820 is a Thermostat,flow Control, manufactured by Cummins Inc., classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-555-4820 has 2 manufacturer part numbers on file: 4936026 (Amz Alabama Inc.), 5273379 (Cummins Inc.).
Key specifications for 5273379: Special Features: PROVIDED BY ONLY CUMMINS PART CATALOG; Part Name Assigned by Controlling Agency: THERMOSTAT, FLOW CONTROL; End Item Identification: MRAP - UNIQUE NSN - USED ON 4 MRAP VARIANTS. 0 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.