PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G21506Control,temperature,indicating

National Oil Well Dba Iec Baylor · NSN 6685-01-289-0950 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-289-0950 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-289-0950. Primary manufacturer part number: G21506.
Features
  • Control,temperature,indicating — FSC 6685
  • 2 verified cross-references
  • Primary manufacturer: National Oil Well Dba Iec Baylor
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Control,temperature,indicating, cataloged under National Stock Number 6685-01-289-0950, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is National Oil Well Dba Iec Baylor. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameControl,temperature,indicating
FSC / FSG6685 — No Item Name Available (FSG 66)
ManufacturersNational Oil Well Dba Iec Baylor (CAGE 58889)
Technical Specifications
ParameterValue
NSN6685-01-289-0950
Primary Part NumberG21506
Item NameControl,temperature,indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerNational Oil Well Dba Iec Baylor
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
1650-00-168-578421506 INTERCHANGEABLE
Cap,valve
Eaton Aerospace Llc
5120-00-752-903121506 INTERCHANGEABLE
Punch,drive Pin
Mayhew Steel Products Inc
1680-00-760-309421506 INTERCHANGEABLE
Control Assembly,push-Pull
Transdigm Inc
6610-00-919-274021506 INTERCHANGEABLE
Diaphragm Assy
Aerosonic Llc
2990-01-059-9440 INTERCHANGEABLE
Piston
6625-01-070-5910623P INTERCHANGEABLE
Lead Set,test
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5120-01-123-013221-506 INTERCHANGEABLE
Inserter,seal
Bosch Automotive Service Solutions Ltd
4820-01-228-780421506 INTERCHANGEABLE
Retainer,disk,valve
Barksdale, Inc
4820-01-338-229321506 INTERCHANGEABLE
Cap,valve
Schneider Electric Systems Usa Inc
2930-01-567-127887687372 INTERCHANGEABLE
Cooler,lubricating Oil,engine
Cnh Industrial America Llc Dba Cnh America
Cross-Reference Index
Part NumberManufacturer
21506 National Oil Well Dba Iec Baylor (USA)
G21506 PRIMARY National Oil Well Dba Iec Baylor (USA)
Related Parts
1650-00-168-5784INTERCHANGEABLE
CAP,VALVE
21506
5120-00-752-9031INTERCHANGEABLE
PUNCH,DRIVE PIN
21506
1680-00-760-3094INTERCHANGEABLE
CONTROL ASSEMBLY,PUSH-PULL
21506
6610-00-919-2740INTERCHANGEABLE
DIAPHRAGM ASSY
21506
2990-01-059-9440INTERCHANGEABLE
PISTON
6625-01-070-5910INTERCHANGEABLE
LEAD SET,TEST
623P
5120-01-123-0132INTERCHANGEABLE
INSERTER,SEAL
21-506
4820-01-228-7804INTERCHANGEABLE
RETAINER,DISK,VALVE
21506
4820-01-338-2293INTERCHANGEABLE
CAP,VALVE
21506
2930-01-567-1278INTERCHANGEABLE
COOLER,LUBRICATING OIL,ENGINE
87687372
1005-01-705-8245INTERCHANGEABLE
SEAR
21506

Frequently Asked Questions

What is NSN 6685-01-289-0950?

NSN 6685-01-289-0950 is a Control,temperature,indicating, manufactured by National Oil Well Dba Iec Baylor, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-289-0950?

NSN 6685-01-289-0950 has 2 cross-referenced part numbers: 21506 (National Oil Well Dba Iec Baylor), G21506 (National Oil Well Dba Iec Baylor).

What NSN replaces 6685-01-289-0950?

There are 11 known substitutes for 6685-01-289-0950: 1650-00-168-5784, 5120-00-752-9031, 1680-00-760-3094 and 8 more. Verify interchangeability with system specifications before substitution.

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