The Thermometer,indicating,capillary, cataloged under National Stock Number 6685-01-489-1225, 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 Howell Laboratories Inc Dba Howell Laboratories Inc. Government technical data includes 16 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-489-1225 |
| Primary Part Number | 7175C-01 |
| Item Name | Thermometer,indicating,capillary |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Howell Laboratories Inc Dba Howell Laboratories Inc |
| Status | ACTIVE |
| Flexible Tube Length | 60.000 INCHES NOMINAL IN |
| Bulb Overall Length | 5.093 INCHES NOMINAL IN |
| Bulb Type | PLAIN RIGID |
| Active Portion Diameter | 0.625 INCHES NOMINAL IN |
| Dial Diameter | 3.500 INCHES NOMINAL IN |
| Style Designator | BULB W/O SOCKET |
| Case Diameter | 4.312 INCHES NOMINAL IN |
| Actuating Medium | AIR |
| Pointer/pen Type and Quantity | 1 INDICATING SINGLE |
| Active Portion Length | 4.000 INCHES NOMINAL IN |
| Extension Neck Length | 1.093 INCHES NOMINAL IN |
| Scale Type | DIAL |
| Bulb Quantity | 1 |
| Bulb Tip Length | 5.093 INCHES NOMINAL IN |
| Bulb Style | PLAIN BULB |
| 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 |
|---|---|
| ITRDE-35-24-A-005-35-04-1-P-1-S | Moeller Instrument Company, Inc. Dba Moeller Instrument Co (USA) |
| 7175C-01 PRIMARY | Howell Laboratories Inc Dba Howell Laboratories Inc (USA) |
| Reference | Meaning |
|---|---|
| 6112 REV C ITEM NO 18 | D/9 Drawing number reference only Howell Laboratories Inc Dba Howell Laboratories Inc |
| ITRDE-35-24-A-005-04-1-P-1-S | 5/9 Secondary reference Moeller Instrument Company, Inc. Dba Moeller Instrument Co |
| MIL-T-19646 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 6685-01-489-1225 is a Thermometer,indicating,capillary, manufactured by Howell Laboratories Inc Dba Howell Laboratories Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-489-1225 has 2 manufacturer part numbers on file: ITRDE-35-24-A-005-35-04-1-P-1-S (Moeller Instrument Company, Inc. Dba Moeller Instrument Co), 7175C-01 (Howell Laboratories Inc Dba Howell Laboratories Inc).
Key specifications for 7175C-01: Flexible Tube Length: 60.000 INCHES NOMINAL IN; Bulb Overall Length: 5.093 INCHES NOMINAL IN; Bulb Type: PLAIN RIGID; Active Portion Diameter: 0.625 INCHES NOMINAL IN. 16 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.