The Thermometer,indicating,capillary, cataloged under National Stock Number 6685-00-403-7402, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-403-7402 |
| Item Name | Thermometer,indicating,capillary |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Flexible Tube Length | 55.750 INCHES MINIMUM AND 56.250 INCHES MAXIMUM IN |
| Bulb Overall Length | 4.000 INCHES NOMINAL IN |
| Bulb Type | PLAIN RIGID |
| Active Portion Diameter | 0.564 INCHES MAXIMUM IN |
| Scale Inscription/background Color | BLACK MARKING ON WHITE BACKGROUND |
| Scale Smallest Increment | 5.0 DEG FAHRENHEIT |
| Bulb Connection Type | UNION |
| Indicator Connection Method | FLEXIBLE TUBE |
| Style Designator | BULB W/O SOCKET |
| Case Diameter | 4.000 INCHES MAXIMUM IN |
| Actuating Medium | VAPOR TENSION |
| Pointer/pen Type and Quantity | 1 INDICATING SINGLE |
| Active Portion Length | 3.500 INCHES MAXIMUM IN |
| Extension Neck Length | 0.500 INCHES NOMINAL IN |
| Scale Type | CONCENTRIC DIAL |
| Case Type | MOISTURE PROOF |
| Scale Measurement Range | +30.000 TO 180.000 DEG FAHRENHEIT |
| Bulb Quantity | 1 |
| Bulb Style | PLAIN BULB W/BENDABLE EXTENSION |
| Material | STEEL METER CASE |
| Material | COPPER ALLOY BULB |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 3 1-2 57DFM | 5/9 Secondary reference Desco Corp Marsh Bellofram Div |
| 3 1-2 57DFM | 3/1 Design control — primary reference Bellofram Corporation |
| 11241567-11 | 7/9 Vendor item drawing reference Ballistic Missile Defense Systems Command |
NSN 6685-00-403-7402 is a Thermometer,indicating,capillary, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
Key specifications for 6685-00-403-7402: Flexible Tube Length: 55.750 INCHES MINIMUM AND 56.250 INCHES MAXIMUM IN; Bulb Overall Length: 4.000 INCHES NOMINAL IN; Bulb Type: PLAIN RIGID; Active Portion Diameter: 0.564 INCHES MAXIMUM IN. 21 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.