PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

56777Thermowell

Rdf Corporation · NSN 6685-01-642-0572 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-642-0572 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-642-0572. Primary manufacturer part number: 56777.
Features
  • Thermowell — FSC 6685
  • 1 verified cross-reference
  • Primary manufacturer: Rdf Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Thermowell, cataloged under National Stock Number 6685-01-642-0572, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Rdf Corporation. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-01-642-0572
Primary Part Number56777
Item NameThermowell
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerRdf Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3455-00-320-9906 INTERCHANGEABLE
Cutter,milling,end
5985-01-645-345456777 INTERCHANGEABLE
Antenna
Sabre Industries, Inc.
Cross-Reference Index
Part NumberManufacturer
56777 PRIMARY Rdf Corporation (USA)
Related Parts
3455-00-320-9906INTERCHANGEABLE
CUTTER,MILLING,END
5985-01-645-3454INTERCHANGEABLE
ANTENNA
56777

Frequently Asked Questions

What is NSN 6685-01-642-0572?

NSN 6685-01-642-0572 is a Thermowell, manufactured by Rdf Corporation, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-642-0572?

NSN 6685-01-642-0572 has 1 cross-referenced part number: 56777 (Rdf Corporation).

What NSN replaces 6685-01-642-0572?

There are 2 known substitutes for 6685-01-642-0572: 3455-00-320-9906, 5985-01-645-3454. Verify interchangeability with system specifications before substitution.

What are the specifications of 56777?

Key specifications for 56777: Part Name Assigned by Controlling Agency: THERMOWELL, FLANGE. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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