The Thermostat,flow Control, cataloged under National Stock Number 6685-01-320-9060, 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 Stant Mfg Co 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Thermostat,flow Control |
| FSC / FSG | 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments (FSG 66) |
| Manufacturers | Stant Mfg Co Inc (CAGE 78225); Rolls-Royce Solutions America Inc (CAGE 72582) |
| Parameter | Value |
|---|---|
| NSN | 6685-01-320-9060 |
| Primary Part Number | 4R313-3055651 |
| Item Name | Thermostat,flow Control |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Stant Mfg Co 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 |
|---|---|
| 4R313-3055651 PRIMARY | Stant Mfg Co Inc (USA) |
| 8929032 | Rolls-Royce Solutions America Inc (USA) |
| Reference | Meaning |
|---|---|
| 4R313 | 5/9 Secondary reference Standard-Thomson Corporation |
| 6620013209060 | 5/9 Secondary reference E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 6605013209060 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 4R313-305 | 5/9 Secondary reference Standard-Thomson Corporation |
NSN 6685-01-320-9060 is a Thermostat,flow Control, manufactured by Stant Mfg Co Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-320-9060 has 2 manufacturer part numbers on file: 4R313-3055651 (Stant Mfg Co Inc), 8929032 (Rolls-Royce Solutions America Inc).
1 possible match (shared part number, not a government interchangeability claim): 2530-01-347-2218. Verify interchangeability with system specifications before substitution.
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.