The Thermometer,indicating,capillary, cataloged under National Stock Number 6685-00-812-7832, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Desco Corp Marsh Bellofram Div. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-812-7832 |
| Primary Part Number | 57DFM |
| Item Name | Thermometer,indicating,capillary |
| FSC / FSG | 6685 / 66 — No Item Name Available |
| Manufacturer | Desco Corp Marsh Bellofram Div |
| Status | ACTIVE |
| Extension Neck Length | 1.000 INCHES NOMINAL IN |
| Case Diameter | 2.312 INCHES NOMINAL IN |
| Actuating Medium | VAPOR TENSION |
| Scale Smallest Increment | 2.0 DEG FAHRENHEIT |
| Material | STEEL METER CASE |
| Style Designator | BULB W/O SOCKET |
| Material | COPPER ALLOY BULB |
| Scale Accuracy Rating | 2 PCT |
| Active Portion Length | 2.750 INCHES NOMINAL IN |
| Bulb Connection Type | UNION |
| Bulb Type | FLEXIBLE CAPILLARY |
| Flexible Tube Length | 96.000 INCHES NOMINAL IN |
| Bulb Quantity | 1 |
| Bulb Overall Length | 3.750 INCHES NOMINAL IN |
| Bulb Style | PLAIN BULB W/BENDABLE EXTENSION |
| Dial Diameter | 2.000 INCHES NOMINAL IN |
| Active Portion Diameter | 0.438 INCHES NOMINAL IN |
| Scale Type | CONCENTRIC DIAL |
| Pointer/pen Type and Quantity | 1 INDICATING SINGLE |
| Indicator Connection Method | FLEXIBLE TUBE |
| Scale Inscription/background Color | WHITE MARKINGS ON BLACK BACKGROUND |
| Bulb Tip Length | 2.750 INCHES NOMINAL IN |
| Case Type | VAPORPROOF |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 6685-00-812-7832 is a Thermometer,indicating,capillary, manufactured by Desco Corp Marsh Bellofram Div, classified under FSC 6685 (No Item Name Available). Status: active.
NSN 6685-00-812-7832 has 4 cross-referenced part numbers: 57DFM (Desco Corp Marsh Bellofram Div), 518851 (Joy Mfg Co Air Power Group Michigan City Plant), 57DFM (Bellofram Corporation), 518851 (Joy Global Underground Mining Llc).
There are 4 known substitutes for 6685-00-812-7832: 6685-00-023-1734, 6685-00-835-2744, 6685-00-936-6040 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 57DFM: Extension Neck Length: 1.000 INCHES NOMINAL IN; Case Diameter: 2.312 INCHES NOMINAL IN; Actuating Medium: VAPOR TENSION; Scale Smallest Increment: 2.0 DEG FAHRENHEIT. 23 total characteristics are documented in the Federal Logistics Information System.