NSN 6685-00-143-4747 · NIIN 001434747 · Part number T-SPECF2/220F1
Miller and Weber Inc · FSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 4Y655
Government record, cited
NSN 6685-00-143-4747 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-143-4747. Manufacturer of record part number: T-SPECF2/220F1.
Also searched as6685-00-143-4747 ·
6685001434747 ·
NIIN 001434747 ·
00-143-4747 ·
FSC 6685 Pressure, Temperature, and Humidity Measuring and Controlling Instruments · CAGE 4Y655 · T-SPECF2/220F1 · 5940001434747 · 21811 · T109X · T109X
Armor Encased Tip Type: MERCURY FILLEDMERCURY FILLED
Scale Type: ETCHED STEMETCHED STEM
Scale Measurement Range: +140.000 TO 220.000 DEG FAHRENHEIT+140.000 TO 220.000 DEG FAHRENHEIT
Identification
NSN: 6685-00-143-4747
NIIN: 001434747
FSC: 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: T-SPECF2/220F1
Manufacturer: Miller and Weber Inc
General Description
The Thermometer,self-Indicating, cataloged under National Stock Number 6685-00-143-4747, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Miller and Weber Inc. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
6685-00-143-4747
Primary Part Number
T-SPECF2/220F1
Item Name
Thermometer,self-Indicating
FSC / FSG
6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
Manufacturer
Miller and Weber Inc
Status
ACTIVE
Design Type
MAXIMUMMAXIMUM
Scale Smallest Increment
2.0 DEG FAHRENHEIT2.0 DEG FAHRENHEIT
Style Designator
CUP CASE
Actuating Medium
MERCURYMERCURY
Armor Encased Tip Type
MERCURY FILLEDMERCURY FILLED
Scale Type
ETCHED STEMETCHED STEM
Scale Measurement Range
+140.000 TO 220.000 DEG FAHRENHEIT+140.000 TO 220.000 DEG FAHRENHEIT
Material
BRASS CASE HOLDER
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Hazardous per DLA record (HMIC Y)
Criticality Code
X
⇄Related Items8
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5950-00-409-7621218-11POSSIBLE MATCH
COIL,RADIO FREQUENCY
Possible match (shared part number)Wilco Products Inc
6110-00-427-30162181-1POSSIBLE MATCH
ELEMENT VOLTAGE REG
Possible match (shared part number)Stewart & Stevenson Power Products Llc
5935-00-600-51599172308POSSIBLE MATCH
GUIDE,ELECTRICAL CONNECTOR
Possible match (shared part number)Us Army Aviation and Missile Command
5961-01-064-4198POSSIBLE MATCH
TRANSISTOR
Possible match (shared part number)
5998-01-073-6873POSSIBLE MATCH
CIRCUIT CARD ASSEMBLY
Possible match (shared part number)
5925-01-407-060021811POSSIBLE MATCH
BASE,CIRCUIT BREAKER
Possible match (shared part number)Atlas Energy Systems Inc
4810-01-472-879021811-001POSSIBLE MATCH
VALVE,LINEAR,DIRECTIONAL CONTROL
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
5120-01-652-41432181-1POSSIBLE MATCH
CRIMPING TOOL,TERMINAL,HAND
Possible match (shared part number)Daniels Manufacturing Corporation
E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
21811
5/9Secondary reference
Tycos Instruments Inc a Welch Allyn Co
T109X
5/9Secondary reference
Sigma Products & Mfg
T109X
5/9Secondary reference
Psg Controls, Inc.
Related Parts
5950-00-409-7621POSSIBLE MATCH
COIL,RADIO FREQUENCY
218-11
6110-00-427-3016POSSIBLE MATCH
ELEMENT VOLTAGE REG
2181-1
5935-00-600-5159POSSIBLE MATCH
GUIDE,ELECTRICAL CONNECTOR
9172308
5961-01-064-4198POSSIBLE MATCH
TRANSISTOR
5998-01-073-6873POSSIBLE MATCH
CIRCUIT CARD ASSEMBLY
5925-01-407-0600POSSIBLE MATCH
BASE,CIRCUIT BREAKER
21811
4810-01-472-8790POSSIBLE MATCH
VALVE,LINEAR,DIRECTIONAL CONTROL
21811-001
5120-01-652-4143POSSIBLE MATCH
CRIMPING TOOL,TERMINAL,HAND
2181-1
Frequently Asked Questions
What is NSN 6685-00-143-4747?
NSN 6685-00-143-4747 is a Thermometer,self-Indicating, manufactured by Miller and Weber Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
What part numbers are listed for NSN 6685-00-143-4747?
NSN 6685-00-143-4747 has 1 manufacturer part number on file: T-SPECF2/220F1 (Miller and Weber Inc).
What NSN replaces 6685-00-143-4747?
8 possible matches (shared part number, not a government interchangeability claim): 5950-00-409-7621, 6110-00-427-3016, 5935-00-600-5159. Verify interchangeability with system specifications before substitution.
What are the specifications of T-SPECF2/220F1?
Key specifications for T-SPECF2/220F1: Design Type: MAXIMUMMAXIMUM; Scale Smallest Increment: 2.0 DEG FAHRENHEIT2.0 DEG FAHRENHEIT; Style Designator: CUP CASE; Overall Length: 3.000 INCHES NOMINAL3.000 INCHES NOMINAL IN. 8 specifications are documented in the U.S. Government catalog.
Is NSN 6685-00-143-4747 hazardous material?
Hazardous per DLA record (HMIC Y). 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.