PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

100858Thermometer Set

Ametek, Inc. Div Aerospace & Defense · NSN 6685-00-874-5834 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-874-5834 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-874-5834. Primary manufacturer part number: 100858.
Features
  • Thermometer Set — FSC 6685
  • General Characteristics Item Description: KIT CONSISTS OF TWO IDENTICAL THERMOMETERS,2 IN. DIAL,M40 TO P65 DEG F RANGE,STEEL DIAL WITH WHITE BACKGROUND AND BLACK MARKINGS,PHOSPHOR BRONZE BOURDON TUBE,12 IN. ARMORED CAPILLARY TUBING AND SENSITIVE BULB 1/4 IN. DIA,BRASS CASE AND THREADED RING,BEVEL GLASS CRYSTALS,RING PROVIDED AT TOP OF CASE FOR ATTACHMENT TO A CONVENIENT OBJECT IN
  • 8 verified cross-references
  • Primary manufacturer: Ametek, Inc. Div Aerospace & Defense
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Thermometer Set, cataloged under National Stock Number 6685-00-874-5834, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Ametek, Inc. Div Aerospace & Defense. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-874-5834
Primary Part Number100858
Item NameThermometer Set
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAmetek, Inc. Div Aerospace & Defense
StatusACTIVE
General Characteristics Item DescriptionKIT CONSISTS OF TWO IDENTICAL THERMOMETERS,2 IN. DIAL,M40 TO P65 DEG F RANGE,STEEL DIAL WITH WHITE BACKGROUND AND BLACK MARKINGS,PHOSPHOR BRONZE BOURDON TUBE,12 IN. ARMORED CAPILLARY TUBING AND SENSITIVE BULB 1/4 IN. DIA,BRASS CASE AND THREADED RING,BEVEL GLASS CRYSTALS,RING PROVIDED AT TOP OF CASE FOR ATTACHMENT TO A CONVENIENT OBJECT IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5360-00-198-93547022-9 INTERCHANGEABLE
Spring,valve
Man Diesel & Turbo Ltd
2530-00-493-1989100858 INTERCHANGEABLE
Housing Assembly
Linde Material Handling North America Corporation
5305-00-804-627970229 INTERCHANGEABLE
Screw,cap,hexagon Head
Cummins Inc.
5950-00-863-2102 INTERCHANGEABLE
Reactor
5310-00-913-1033100858 INTERCHANGEABLE
Washer,flat
Astronautics Corporation of America
2530-01-016-9613 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
5330-01-126-6730100858 INTERCHANGEABLE
Gasket
Prc Composites, Llc Dba Globe Plastics
5130-01-128-2622100858 INTERCHANGEABLE
Ball,check Seat
Huck International, Inc. Div Kingston Operations
5331-01-213-6760 INTERCHANGEABLE
O-Ring
6685-01-233-6199 INTERCHANGEABLE
Control,temperature,indicating
Cross-Reference Index
Part NumberManufacturer
211-001 Bellofram Corporation (USA)
T1704 Ametek, Inc. Div Aerospace & Defense (USA)
Y1070 Bellofram Corporation (USA)
67 Desco Corp Marsh Bellofram Div (USA)
Y1070 Desco Corp Marsh Bellofram Div (USA)
211-001 Desco Corp Marsh Bellofram Div (USA)
70229 Desco Corp Marsh Bellofram Div (USA)
100858 PRIMARY Ametek, Inc. Div Aerospace & Defense (USA)
Related Parts
5360-00-198-9354INTERCHANGEABLE
SPRING,VALVE
7022-9
2530-00-493-1989INTERCHANGEABLE
HOUSING ASSEMBLY
100858
5305-00-804-6279INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
70229
5950-00-863-2102INTERCHANGEABLE
REACTOR
5310-00-913-1033INTERCHANGEABLE
WASHER,FLAT
100858
2530-01-016-9613INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
5330-01-126-6730INTERCHANGEABLE
GASKET
100858
5130-01-128-2622INTERCHANGEABLE
BALL,CHECK SEAT
100858
5331-01-213-6760INTERCHANGEABLE
O-RING
6685-01-233-6199INTERCHANGEABLE
CONTROL,TEMPERATURE,INDICATING
3110-01-268-0850INTERCHANGEABLE
BEARING,BALL,ANNULAR
70229
6220-01-283-8706INTERCHANGEABLE
LIGHT,MARKER,CLEARANCE
211001

Frequently Asked Questions

What is NSN 6685-00-874-5834?

NSN 6685-00-874-5834 is a Thermometer Set, manufactured by Ametek, Inc. Div Aerospace & Defense, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-874-5834?

NSN 6685-00-874-5834 has 8 cross-referenced part numbers: 211-001 (Bellofram Corporation), T1704 (Ametek, Inc. Div Aerospace & Defense), Y1070 (Bellofram Corporation), 67 (Desco Corp Marsh Bellofram Div), Y1070 (Desco Corp Marsh Bellofram Div) and 3 more.

What NSN replaces 6685-00-874-5834?

There are 12 known substitutes for 6685-00-874-5834: 5360-00-198-9354, 2530-00-493-1989, 5305-00-804-6279 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 100858?

Key specifications for 100858: General Characteristics Item Description: KIT CONSISTS OF TWO IDENTICAL THERMOMETERS,2 IN. DIAL,M40 TO P65 DEG F RANGE,STEEL DIAL WITH WHITE BACKGROUND AND BLACK MARKINGS,PHOSPHOR BRONZE BOURDON TUBE,12 IN. ARMORED CAPILLARY TUBING AND SENSITIVE BULB 1/4 IN. DIA,BRASS CASE AND THREADED RING,BEVEL GLASS CRYSTALS,RING PROVIDED AT TOP OF CASE FOR ATTACHMENT TO A CONVENIENT OBJECT IN. 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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