The Thermowell, cataloged under National Stock Number 6685-00-556-5407, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Palmer Instruments Inc. Dba Palmer Instruments Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 6685-00-556-5407 |
| Primary Part Number | CP-902-1 |
| Item Name | Thermowell |
| FSC / FSG | 6685 / 66 — No Item Name Available |
| Manufacturer | Palmer Instruments Inc. Dba Palmer Instruments Inc |
| Status | CANCELLED |
| Internal Thread Size | 3/4 IN. NPT ALL BORES IN |
| Material | STEEL CORROSION RESISTING |
| Style Designator | THREADED STEPPED, STRAIGHT SHANK |
| External Thread Size | 3/4 IN. NPT3/4 IN. NPT IN |
| Bulb Tip Outside Diameter | 0.500 INCHES NOMINAL IN |
| Bulb Tip Length | 1.312 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 6685-00-556-5407 is a Thermowell, manufactured by Palmer Instruments Inc. Dba Palmer Instruments Inc, classified under FSC 6685 (No Item Name Available). Status: cancelled.
NSN 6685-00-556-5407 has 5 cross-referenced part numbers: 94S (Industrial Controls Distributors Llc), RI-S001 (Rhythm Industries Inc), CP-902-1 (Palmer Instruments Inc. Dba Palmer Instruments Inc), T-940 (Trend Instruments Inc), 94S (Ashcroft Inc Dba Heise).
There is 1 known substitute for 6685-00-556-5407: 2530-00-545-5394. Verify interchangeability with system specifications before substitution.
Key specifications for CP-902-1: Internal Thread Size: 3/4 IN. NPT ALL BORES IN; Material: STEEL CORROSION RESISTING; Overall Length: 3.250 INCHES NOMINAL3.250 INCHES NOMINAL IN; Style Designator: THREADED STEPPED, STRAIGHT SHANK. 7 total characteristics are documented in the Federal Logistics Information System.
NSN 6685-00-556-5407 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.