PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50458Control,temperature,indicating

Wells Mfg Co · NSN 6685-00-989-4658 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-989-4658 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-989-4658. Primary manufacturer part number: 50458.
Features
  • Control,temperature,indicating — FSC 6685
  • Maximum Overall Height: 0.250 INCHES IN
  • Terminal Type and Quantity: 1 WIRE LEAD
  • Maximum Overall Width: 1.875 INCHES IN
  • Indication Method: RECEIVING POINTER
  • Sensing Element Type: LINKED DIAPHRAGM INTERNAL
  • Terminal Location: TOP
  • Maximum Overall Length: 2.125 INCHES IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Control,temperature,indicating, cataloged under National Stock Number 6685-00-989-4658, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Wells Mfg Co. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-989-4658
Primary Part Number50458
Item NameControl,temperature,indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerWells Mfg Co
StatusACTIVE
Maximum Overall Height0.250 INCHES IN
Terminal Type and Quantity1 WIRE LEAD
Maximum Overall Width1.875 INCHES IN
Indication MethodRECEIVING POINTER
Sensing Element TypeLINKED DIAPHRAGM INTERNAL
Terminal LocationTOP
Maximum Overall Length2.125 INCHES IN
Power SourceEXTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5315-00-141-1695SCB69637 INTERCHANGEABLE
Pin,straight,headless
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3455-00-540-229319949 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
2930-00-869-33818612 INTERCHANGEABLE
Pump,cooling System,engine
Elgin Industries Inc. Dba
5330-01-068-1907 INTERCHANGEABLE
Gasket
4520-01-332-081250458 INTERCHANGEABLE
Heating Element,electrical,nonim
Indeeco Llc Dba Indeeco
7045-01-441-957623717 INTERCHANGEABLE
Adpe,wrist Rest
Ellison Systems Inc Div Shoplet.com
5331-01-562-450150458 INTERCHANGEABLE
O-Ring
Cnh Industrial America Llc Dba Cnh America
Cross-Reference Index
Part NumberManufacturer
W977 Wells Mfg Co (USA)
50458 PRIMARY Wells Mfg Co (USA)
Related Parts
5315-00-141-1695INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
SCB69637
3455-00-540-2293INTERCHANGEABLE
REAMER,MACHINE
19949
2930-00-869-3381INTERCHANGEABLE
PUMP,COOLING SYSTEM,ENGINE
8612
5330-01-068-1907INTERCHANGEABLE
GASKET
4520-01-332-0812INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
50458
7045-01-441-9576INTERCHANGEABLE
ADPE,WRIST REST
23717
5331-01-562-4501INTERCHANGEABLE
O-RING
50458

Frequently Asked Questions

What is NSN 6685-00-989-4658?

NSN 6685-00-989-4658 is a Control,temperature,indicating, manufactured by Wells Mfg Co, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-989-4658?

NSN 6685-00-989-4658 has 2 cross-referenced part numbers: W977 (Wells Mfg Co), 50458 (Wells Mfg Co).

What NSN replaces 6685-00-989-4658?

There are 7 known substitutes for 6685-00-989-4658: 5315-00-141-1695, 3455-00-540-2293, 2930-00-869-3381 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50458?

Key specifications for 50458: Maximum Overall Height: 0.250 INCHES IN; End Item Identification: POSEIDON MATERIAL; Terminal Type and Quantity: 1 WIRE LEAD; Maximum Overall Width: 1.875 INCHES IN. 9 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com