The Thermometer,indicating,capillary, cataloged under National Stock Number 6685-00-147-5841, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Ashcroft Inc Dba Heise. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-147-5841 |
| Primary Part Number | 81GN-N00U-W40Y |
| Item Name | Thermometer,indicating,capillary |
| FSC / FSG | 6685 / 66 — No Item Name Available |
| Manufacturer | Ashcroft Inc Dba Heise |
| Status | ACTIVE |
| Dial Diameter | 8.500 INCHES NOMINAL IN |
| Indicator Connection Method | FLEXIBLE TUBE |
| Flexible Tube Length | 480.000 INCHES NOMINAL IN |
| Material | STEEL COMP 316 BULB |
| Pointer/pen Type and Quantity | 1 INDICATING SINGLE AND 1 REFERENCE SINGLE |
| Active Portion Diameter | 0.975 INCHES NOMINAL IN |
| Bulb Overall Length | 8.000 INCHES NOMINAL IN |
| Active Portion Length | 3.500 INCHES NOMINAL IN |
| Style Designator | BULB W/O SOCKET |
| Material | ALUMINUM ALLOY BEZEL |
| Unthreaded Mounting Hole Diameter | 0.281 INCHES NOMINAL IN |
| Scale Measurement Range | +200.000 TO 950.000 DEG FAHRENHEIT |
| Scale Inscription/background Color | BLACK MARKING ON YELLOW BACKGROUND |
| Nondefinitive Spec/std Data | B CLASS |
| Actuating Medium | GAS |
| Mounting Bolt Circle Diameter | 9.625 INCHES NOMINAL IN |
| Scale Accuracy Rating | 10 DEG ENTIRE RANGE |
| Case Diameter | 10.250 INCHES NOMINAL IN |
| Bulb Type | PLAIN RIGID |
| Bulb Quantity | 1 |
| Scale Smallest Increment | 10.0 DEG FAHRENHEIT |
| Departure From Cited Designator | AS MODIFIED BY SCALE RANGE,SCALEACCURACY RATING AND SCALE SMALLEST INCREMENT |
| Case Type | SHOCK PROOF |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| M27-400 | Ashcroft Inc Dba Heise (USA) |
| 81GN-N00U-W40Y PRIMARY | Ashcroft Inc Dba Heise (USA) |
| MIL-T-19646 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 85-T8478K-40E-035-0080-200/950F | Ashcroft Inc Dba Heise (USA) |
| 81GNN00RR40Y | Ashcroft Inc Dba Heise (USA) |
NSN 6685-00-147-5841 is a Thermometer,indicating,capillary, manufactured by Ashcroft Inc Dba Heise, classified under FSC 6685 (No Item Name Available). Status: active.
NSN 6685-00-147-5841 has 5 cross-referenced part numbers: M27-400 (Ashcroft Inc Dba Heise), 81GN-N00U-W40Y (Ashcroft Inc Dba Heise), MIL-T-19646 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 85-T8478K-40E-035-0080-200/950F (Ashcroft Inc Dba Heise), 81GNN00RR40Y (Ashcroft Inc Dba Heise).
There are 12 known substitutes for 6685-00-147-5841: 6685-00-007-9593, 6685-00-428-8789, 6685-00-469-8891 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 81GN-N00U-W40Y: Dial Diameter: 8.500 INCHES NOMINAL IN; Indicator Connection Method: FLEXIBLE TUBE; Flexible Tube Length: 480.000 INCHES NOMINAL IN; Material: STEEL COMP 316 BULB. 23 total characteristics are documented in the Federal Logistics Information System.