The Thermometer,self-Indicating, cataloged under National Stock Number 6685-01-463-3574, 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 Naval Sea Systems Command. Government technical data includes 6 specifications, 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 | 6685-01-463-3574 |
| Primary Part Number | 556-6406596-MFBC-A54 |
| Item Name | Thermometer,self-Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Scale Smallest Increment | 2.0 DEG FAHRENHEIT2.0 DEG FAHRENHEIT |
| Scale Accuracy Rating | 2.2 DEG FAHRENHEIT FULL RANGE OF SCALE2.2 DEG FAHRENHEIT FULL RANGE OF SCALE |
| Material Document and Classification | MIL-I-17244 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| Scale Type | DIALDIAL |
| Scale Measurement Range | +20.000 TO 240.000 DEG FAHRENHEIT+20.000 TO 240.000 DEG FAHRENHEIT |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| 556-6406596-MFBC-A54 PRIMARY | Naval Sea Systems Command (USA) |
| 556-6406596-MFBC-B54 | Naval Sea Systems Command (USA) |
NSN 6685-01-463-3574 is a Thermometer,self-Indicating, manufactured by Naval Sea Systems Command, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-463-3574 has 2 manufacturer part numbers on file: 556-6406596-MFBC-A54 (Naval Sea Systems Command), 556-6406596-MFBC-B54 (Naval Sea Systems Command).
Key specifications for 556-6406596-MFBC-A54: Scale Smallest Increment: 2.0 DEG FAHRENHEIT2.0 DEG FAHRENHEIT; Scale Accuracy Rating: 2.2 DEG FAHRENHEIT FULL RANGE OF SCALE2.2 DEG FAHRENHEIT FULL RANGE OF SCALE; Material Document and Classification: MIL-I-17244 MIL SPEC ALL MATERIAL RESPONSES OVERALL; Scale Type: DIALDIAL. 6 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.