PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

221200Thermometer,self-Indicating

Weems & Plath, Inc. · NSN 6685-01-556-9402 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-556-9402 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-556-9402. Primary manufacturer part number: 221200.
Features
  • Thermometer,self-Indicating — FSC 6685
  • Scale Type: DIAL
  • 1 verified cross-reference
  • Primary manufacturer: Weems & Plath, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Thermometer,self-Indicating, cataloged under National Stock Number 6685-01-556-9402, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Weems & Plath, Inc.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-01-556-9402
Primary Part Number221200
Item NameThermometer,self-Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerWeems & Plath, Inc.
StatusACTIVE
Scale TypeDIAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5360-01-643-01312212-00 INTERCHANGEABLE
Spring,helical,extension
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
221200 Weems & Plath, Inc. (USA)
Related Parts
5360-01-643-0131INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
2212-00

Frequently Asked Questions

What is NSN 6685-01-556-9402?

NSN 6685-01-556-9402 is a Thermometer,self-Indicating, manufactured by Weems & Plath, Inc., classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-556-9402?

NSN 6685-01-556-9402 has 1 cross-referenced part number: 221200 (Weems & Plath, Inc.).

What NSN replaces 6685-01-556-9402?

There is 1 known substitute for 6685-01-556-9402: 5360-01-643-0131. Verify interchangeability with system specifications before substitution.

What are the specifications of 221200?

Key specifications for 221200: Part Name Assigned by Controlling Agency: (INAVY) THERMOMETER; End Item Identification: NAVIGATIONAL EQUIPMENT UNIQUE TO LCS-1 CLASS; Scale Type: DIAL; Special Features: 4 INCH DIAMTER DIAL; 5.500 INCH BASE; 2.875 INCH DEPTH IN. 4 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com