PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

212000Proving Ring

Morehouse Instrument Company Dba Morehouse Instrument Co Inc · NSN 6635-00-870-4614 · FSC 6635 · No Item Name Available
Verified by PartsTable
NSN 6635-00-870-4614 — this item is cataloged by the U.S. Government under National Stock Number 6635-00-870-4614. Primary manufacturer part number: 212000.
Features
  • Proving Ring — FSC 6635
  • 2 verified cross-references
  • Primary manufacturer: Morehouse Instrument Company Dba Morehouse Instrument Co Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Proving Ring, cataloged under National Stock Number 6635-00-870-4614, is classified within Federal Supply Class 6635 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Morehouse Instrument Company Dba Morehouse Instrument Co Inc. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameProving Ring
FSC / FSG6635 — No Item Name Available (FSG 66)
ManufacturersMorehouse Instrument Company Dba Morehouse Instrument Co Inc (CAGE 90562)
Technical Specifications
ParameterValue
NSN6635-00-870-4614
Primary Part Number212000
Item NameProving Ring
FSC / FSG6635 / 66 — No Item Name Available
ManufacturerMorehouse Instrument Company Dba Morehouse Instrument Co Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5355-00-348-2859 INTERCHANGEABLE
Knob
5950-00-445-6550 INTERCHANGEABLE
Reactor
3405-00-528-8696G1000SS INTERCHANGEABLE
Saw Setting Machine
Foley-Belsaw Company
6940-00-883-5718520-00 INTERCHANGEABLE
Cavity Oscillator,preliminary
Microwave Engineering Corporation
5210-01-356-54572-12000 INTERCHANGEABLE
Level,cylindrical,circular Vial
Geier & Bluhm, Inc.
7045-01-390-076690612, SOFTWORKS TRAY W/LOCK 50 INTERCHANGEABLE
File,disk,flexible
Fellowes Mfg Co Powershred Div
6625-01-415-172552000 INTERCHANGEABLE
Control,indicator
Giga-Tronics Incorporated Dba Giga-Tronics
5998-01-669-6513 INTERCHANGEABLE
Circuit Card Assembly
4210-01-713-818452000 INTERCHANGEABLE
Extinguisher,fire
Buckeye Fire Equipment Co
Cross-Reference Index
Part NumberManufacturer
52000 Morehouse Instrument Company Dba Morehouse Instrument Co Inc (USA)
212000 PRIMARY Morehouse Instrument Company Dba Morehouse Instrument Co Inc (USA)
Related Parts
5355-00-348-2859INTERCHANGEABLE
KNOB
5950-00-445-6550INTERCHANGEABLE
REACTOR
3405-00-528-8696INTERCHANGEABLE
SAW SETTING MACHINE
G1000SS
6940-00-883-5718INTERCHANGEABLE
CAVITY OSCILLATOR,PRELIMINARY
520-00
5210-01-356-5457INTERCHANGEABLE
LEVEL,CYLINDRICAL,CIRCULAR VIAL
2-12000
7045-01-390-0766INTERCHANGEABLE
FILE,DISK,FLEXIBLE
90612, SOFTWORKS TRAY W/LOCK 50
6625-01-415-1725INTERCHANGEABLE
CONTROL,INDICATOR
52000
5998-01-669-6513INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
4210-01-713-8184INTERCHANGEABLE
EXTINGUISHER,FIRE
52000

Frequently Asked Questions

What is NSN 6635-00-870-4614?

NSN 6635-00-870-4614 is a Proving Ring, manufactured by Morehouse Instrument Company Dba Morehouse Instrument Co Inc, classified under FSC 6635 (No Item Name Available). Status: active.

What are the part numbers for NSN 6635-00-870-4614?

NSN 6635-00-870-4614 has 2 cross-referenced part numbers: 52000 (Morehouse Instrument Company Dba Morehouse Instrument Co Inc), 212000 (Morehouse Instrument Company Dba Morehouse Instrument Co Inc).

What NSN replaces 6635-00-870-4614?

There are 9 known substitutes for 6635-00-870-4614: 5355-00-348-2859, 5950-00-445-6550, 3405-00-528-8696 and 6 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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