FSC: 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
FSG: 66 — Instruments and Laboratory Equipment
General Description
The Thermometer, cataloged under National Stock Number 6685-01-155-4808, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Thermometer
FSC / FSG
6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments (FSG 66)
Technical Specifications
Parameter
Value
NSN
6685-01-155-4808
Item Name
Thermometer
FSC / FSG
6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5120-01-220-9984ST50POSSIBLE MATCH
SCREWDRIVER SET,OFFSET
Possible match (shared part number)Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5940-01-306-8181ST50POSSIBLE MATCH
TERMINAL,QUICK DISCONNECT
Possible match (shared part number)Standard Motor Products
5845-01-377-6292A22002-PPOSSIBLE MATCH
SOUNDING SET,SONAR
Possible match (shared part number)Raytheon Marine Co Hq
5120-01-428-8690POSSIBLE MATCH
SCREWDRIVER SET,OFFSET
Possible match (shared part number)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
ST-50
3/9Design control — primary reference
Street R R and Co Inc
Related Parts
5120-01-220-9984POSSIBLE MATCH
SCREWDRIVER SET,OFFSET
ST50
5940-01-306-8181POSSIBLE MATCH
TERMINAL,QUICK DISCONNECT
ST50
5845-01-377-6292POSSIBLE MATCH
SOUNDING SET,SONAR
A22002-P
5120-01-428-8690POSSIBLE MATCH
SCREWDRIVER SET,OFFSET
Frequently Asked Questions
What is NSN 6685-01-155-4808?
NSN 6685-01-155-4808 is a Thermometer, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
What NSN replaces 6685-01-155-4808?
4 possible matches (shared part number, not a government interchangeability claim): 5120-01-220-9984, 5940-01-306-8181, 5845-01-377-6292. Verify interchangeability with system specifications before substitution.
Is NSN 6685-01-155-4808 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.