PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GGT355Thermometer,self-Indicating

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 6685-00-253-2553 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-253-2553 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-253-2553. Primary manufacturer part number: GGT355.
Features
  • Thermometer,self-Indicating — FSC 6685
  • Scale Inscription/background Color: BLACK MARKING ON WHITE BACKGROUND
  • Design Type: MAXIMUM
  • Actuating Medium: MERCURY
  • Features Provided: EXPANSION CHAMBER
  • Scale Smallest Increment: 1.0 DEG FAHRENHEIT
  • Scale Type: ETCHED STEM
  • Scale Accuracy Rating: PORM 0.5 DEG F BELOW ZERO AND PORM 0.3 DEG F ABOVE ZERO DEGF
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Thermometer,self-Indicating, cataloged under National Stock Number 6685-00-253-2553, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-253-2553
Primary Part NumberGGT355
Item NameThermometer,self-Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Scale Inscription/background ColorBLACK MARKING ON WHITE BACKGROUND
Design TypeMAXIMUM
Actuating MediumMERCURY
Features ProvidedEXPANSION CHAMBER
Scale Smallest Increment1.0 DEG FAHRENHEIT
Scale TypeETCHED STEM
Scale Accuracy RatingPORM 0.5 DEG F BELOW ZERO AND PORM 0.3 DEG F ABOVE ZERO DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3510-00-152-82711638-40-178 INTERCHANGEABLE
Seal,grease
Ametek Inc Heat Transfer Div
5950-01-199-8840 INTERCHANGEABLE
Reactor
6220-01-314-8184ML-4 INTERCHANGEABLE
Light,utility,vehicular
Southern Vehicle Products Inc Dba S V P
7025-01-375-2764ML4 INTERCHANGEABLE
Printer,automatic Data Processin
Tyco Electronics Corporation Dba Tyco Electronics Identification Div Labeling Division
Cross-Reference Index
Part NumberManufacturer
GGT355 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
ML4 Standardization Division Directorate of Logistics Services (USA)
Related Parts
3510-00-152-8271INTERCHANGEABLE
SEAL,GREASE
1638-40-178
5950-01-199-8840INTERCHANGEABLE
REACTOR
6220-01-314-8184INTERCHANGEABLE
LIGHT,UTILITY,VEHICULAR
ML-4
7025-01-375-2764INTERCHANGEABLE
PRINTER,AUTOMATIC DATA PROCESSIN
ML4

Frequently Asked Questions

What is NSN 6685-00-253-2553?

NSN 6685-00-253-2553 is a Thermometer,self-Indicating, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-253-2553?

NSN 6685-00-253-2553 has 2 cross-referenced part numbers: GGT355 (Federal Specifications Promulgated by General Services Administration Washington DC), ML4 (Standardization Division Directorate of Logistics Services).

What NSN replaces 6685-00-253-2553?

There are 4 known substitutes for 6685-00-253-2553: 3510-00-152-8271, 5950-01-199-8840, 6220-01-314-8184 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GGT355?

Key specifications for GGT355: Scale Inscription/background Color: BLACK MARKING ON WHITE BACKGROUND; Design Type: MAXIMUM; Actuating Medium: MERCURY; Features Provided: EXPANSION CHAMBER. 8 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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