The Pyrometer,indicating, cataloged under National Stock Number 6685-00-514-3607, 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 Lee Co the J B T Div. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 6685-00-514-3607 |
| Primary Part Number | 31-JPP |
| Item Name | Pyrometer,indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Lee Co the J B T Div |
| Status | ACTIVE |
| Scale Calibration | CALIBRATED TO IRON AND CONSTANTAN |
| Scale Accuracy Rating | 2 PER CENT ACCURACY RATING |
| Measurement Type | MILLIVOLT CIRCUIT |
| Pointer/pen Type and Quantity | 1 INDICATING SINGLE |
| Scale Type | HORIZONTAL |
| Case Type | HINGED LID CARRYING CASE W/HANDLE |
| Scale Length | 28.000 INCHES NOMINAL IN |
| Material | ALUMINUM METER CASE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 31-JPP PRIMARY | Lee Co the J B T Div (USA) |
| Reference | Meaning |
|---|---|
| 92611-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6685-00-514-3607 is a Pyrometer,indicating, manufactured by Lee Co the J B T Div, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-00-514-3607 has 1 manufacturer part number on file: 31-JPP (Lee Co the J B T Div).
Key specifications for 31-JPP: Overall Height: 5.875 INCHES NOMINAL IN; Scale Calibration: CALIBRATED TO IRON AND CONSTANTAN; Scale Accuracy Rating: 2 PER CENT ACCURACY RATING; Measurement Type: MILLIVOLT CIRCUIT. 8 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.