PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4517Pyrometer,indicating

Lfe Instruments a Mark IV Co · NSN 6685-00-058-1016 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-058-1016 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-058-1016. Primary manufacturer part number: 4517.
Features
  • Pyrometer,indicating — FSC 6685
  • Measurement Type: MILLIVOLT CIRCUIT
  • Mounting Facility Type and Quantity: 1 BACKPLATE
  • Scale Accuracy Rating: PORM 2 PCT ACCURACY RATING
  • Scale Smallest Increment: 2.0 DEG FAHRENHEIT
  • Scale Measurement Range: -75.000 TO 225.000 DEG FAHRENHEIT AND -60.000 TO 110.000 DEG CELSIUS
  • Scale Length: 4.000 INCHES NOMINAL IN
  • Material: PLASTIC METER CASE
Applications
  • Applications requiring Plastic Meter Case construction
General Description

The Pyrometer,indicating, cataloged under National Stock Number 6685-00-058-1016, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Lfe Instruments a Mark IV Co. Government technical data includes 11 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-058-1016
Primary Part Number4517
Item NamePyrometer,indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerLfe Instruments a Mark IV Co
StatusACTIVE
Measurement TypeMILLIVOLT CIRCUIT
Mounting Facility Type and Quantity1 BACKPLATE
Scale Accuracy RatingPORM 2 PCT ACCURACY RATING
Scale Smallest Increment2.0 DEG FAHRENHEIT
Scale Measurement Range-75.000 TO 225.000 DEG FAHRENHEIT AND -60.000 TO 110.000 DEG CELSIUS
Scale Length4.000 INCHES NOMINAL IN
MaterialPLASTIC METER CASE
Scale TypeECCENTRIC
Pointer/pen Type and Quantity1 INDICATING SINGLE
Scale CalibrationCALIBRATED TO COPPER CONSTANTAN THERMOCOUPLE
Case TypeDUSTPROOF AND MOISTURE PROOF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5940-00-080-9872544 INTERCHANGEABLE
Terminal,lug
Zierick Mfg Corp
3110-00-130-551411640528 INTERCHANGEABLE
Bearing,ball,annular
Rbc Bearings Incorporated Div West Trenton Division
6240-00-157-37241377-4997 INTERCHANGEABLE
Lamp,incandescent
Messer Llc
5977-00-387-087945ALT8PC17 INTERCHANGEABLE
Holder,electrical Contact Brush
The Dewey Electronics Corporation Div Pitometer Log Division
1650-00-473-05444517 INTERCHANGEABLE
Valve,relief Hydraulic
Pneudraulics, Inc.
5950-00-625-76984517 INTERCHANGEABLE
Coil,radio Frequency
Artted Co Inc
1680-00-686-18604517 INTERCHANGEABLE
Lug Assy,torque Tub
Lockheed Martin Corp
5915-00-893-65994517 INTERCHANGEABLE
Filter,radio Frequency Interfere
Aerocontrolex Group, Inc. Div Talley Actuators
9390-00-933-747911588856 INTERCHANGEABLE
Nonmetallic Channel
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
4517 Lfe Instruments a Mark IV Co (USA)
7045-5424-0000 Lfe Instruments a Mark IV Co (USA)
Related Parts
5940-00-080-9872INTERCHANGEABLE
TERMINAL,LUG
544
3110-00-130-5514INTERCHANGEABLE
BEARING,BALL,ANNULAR
11640528
6240-00-157-3724INTERCHANGEABLE
LAMP,INCANDESCENT
1377-4997
5977-00-387-0879INTERCHANGEABLE
HOLDER,ELECTRICAL CONTACT BRUSH
45ALT8PC17
1650-00-473-0544INTERCHANGEABLE
VALVE,RELIEF HYDRAULIC
4517
5950-00-625-7698INTERCHANGEABLE
COIL,RADIO FREQUENCY
4517
1680-00-686-1860INTERCHANGEABLE
LUG ASSY,TORQUE TUB
4517
5915-00-893-6599INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
4517
9390-00-933-7479INTERCHANGEABLE
NONMETALLIC CHANNEL
11588856

Frequently Asked Questions

What is NSN 6685-00-058-1016?

NSN 6685-00-058-1016 is a Pyrometer,indicating, manufactured by Lfe Instruments a Mark IV Co, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-058-1016?

NSN 6685-00-058-1016 has 2 cross-referenced part numbers: 4517 (Lfe Instruments a Mark IV Co), 7045-5424-0000 (Lfe Instruments a Mark IV Co).

What NSN replaces 6685-00-058-1016?

There are 9 known substitutes for 6685-00-058-1016: 5940-00-080-9872, 3110-00-130-5514, 6240-00-157-3724 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4517?

Key specifications for 4517: Measurement Type: MILLIVOLT CIRCUIT; Mounting Facility Type and Quantity: 1 BACKPLATE; Overall Depth: 2.500 INCHES NOMINAL IN; Scale Accuracy Rating: PORM 2 PCT ACCURACY RATING. 14 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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