The Thermometer,self-Indicating, cataloged under National Stock Number 6685-01-513-3516, 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 Kessler Thermometer Corp Dba Kessler Thermometers Corp. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-513-3516 |
| Primary Part Number | 3150SP |
| Item Name | Thermometer,self-Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Kessler Thermometer Corp Dba Kessler Thermometers Corp |
| Status | ACTIVE |
| Scale Smallest Increment | 2.0 DEG FAHRENHEIT2.0 DEG FAHRENHEIT |
| Style Designator | IMMERSION, POCKET TYPE |
| Actuating Medium | CHEMICALSCHEMICALS |
| Features Provided | CARRYING TUBE W/CLIPCARRYING TUBE W/CLIP |
| Securing Device Type | CLIP AND CLIP AND RINGRING |
| Armor Encased Tip Type | PERFORATEDPERFORATED |
| Scale Type | GLASS FUSED STEMGLASS FUSED STEM |
| Scale Measurement Range | -30.0 TO 120.0 DEG FAHRENHEIT-30.0 TO 120.0 DEG FAHRENHEIT |
| Material | ALUMINUM PROTECTIVE TUBE |
| Material | GLASS CAPILLARY TUBE |
| 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 |
|---|---|
| 3913K81 | Mcmaster-Carr Supply Co (USA) |
| 3150SP PRIMARY | Kessler Thermometer Corp Dba Kessler Thermometers Corp (USA) |
| Reference | Meaning |
|---|---|
| 3913K15 | 5/9 Secondary reference Mcmaster-Carr Supply Co |
| 3913K59 | 5/9 Secondary reference Mcmaster-Carr Supply Co |
NSN 6685-01-513-3516 is a Thermometer,self-Indicating, manufactured by Kessler Thermometer Corp Dba Kessler Thermometers Corp, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-513-3516 has 2 manufacturer part numbers on file: 3913K81 (Mcmaster-Carr Supply Co), 3150SP (Kessler Thermometer Corp Dba Kessler Thermometers Corp).
Key specifications for 3150SP: Scale Smallest Increment: 2.0 DEG FAHRENHEIT2.0 DEG FAHRENHEIT; Style Designator: IMMERSION, POCKET TYPE; Overall Length: 5.500 INCHES NOMINAL5.500 INCHES NOMINAL IN; Actuating Medium: CHEMICALSCHEMICALS. 10 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.