PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5610Pyrometer,indicating

Lfe Instruments a Mark IV Co · NSN 6685-00-879-2233 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-879-2233 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-879-2233. Primary manufacturer part number: 5610.
Features
  • Pyrometer,indicating — FSC 6685
  • Material: PLASTIC METER CASE
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY SCALE TYPE,SCALE RANGE,SCALE ACCURACY,SCALE CALIBRATION,SCALE SMALLEST INCREMENTS,SCALE LENGTH
  • Scale Length: 4.500 INCHES NOMINAL IN
  • Scale Measurement Range: +0.000 TO 300.000 DEG FAHRENHEIT AND +0.000 TO 150.000 DEG CELSIUS
  • Mounting Facility Type and Quantity: 1 FLUSH
  • Measurement Type: POTENTIOMETER CIRCUIT
  • Case Type: DUSTPROOF
Applications
  • Applications requiring Plastic Meter Case construction
General Description

The Pyrometer,indicating, cataloged under National Stock Number 6685-00-879-2233, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN6685-00-879-2233
Primary Part Number5610
Item NamePyrometer,indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerLfe Instruments a Mark IV Co
StatusACTIVE
MaterialPLASTIC METER CASE
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY SCALE TYPE,SCALE RANGE,SCALE ACCURACY,SCALE CALIBRATION,SCALE SMALLEST INCREMENTS,SCALE LENGTH
Scale Length4.500 INCHES NOMINAL IN
Scale Measurement Range+0.000 TO 300.000 DEG FAHRENHEIT AND +0.000 TO 150.000 DEG CELSIUS
Mounting Facility Type and Quantity1 FLUSH
Measurement TypePOTENTIOMETER CIRCUIT
Case TypeDUSTPROOF
Scale TypeECCENTRIC
Pointer/pen Type and Quantity1 INDICATING SINGLE
Scale Smallest Increment5.0 DEG CELSIUS AND 5.0 DEG FAHRENHEIT
Scale Accuracy Rating4 DEG F ACCURACY; 4 DEG C ACCURACY DEGC
Scale CalibrationCALIBRATED TO IRON CONSTANTAN THERMOCOUPLE BOTH SCALES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
7025-00-054-2932 INTERCHANGEABLE
Computyper Assembly
5365-00-143-561042088 INTERCHANGEABLE
Spacer,clutch Pack
Skurka Aerospace Inc
3110-00-156-79192R341P22 INTERCHANGEABLE
Bearing,ball,annular
Bath Iron Works Corporation
4330-00-199-161151610 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
2990-00-464-2914T-5610 INTERCHANGEABLE
Muffler,exhaust
Cummins Filtration Inc.
3110-00-554-5715 INTERCHANGEABLE
Bearing,ball,annular
3120-00-661-84467402860 INTERCHANGEABLE
Bearing,sleeve
U S Army Tank Automotive Command Amsta-Im-Mm
5365-00-800-9145 INTERCHANGEABLE
Spacer,sleeve
5995-00-816-3657 INTERCHANGEABLE
Cord Assembly,electrical,branche
6660-00-909-03165610 INTERCHANGEABLE
Tipping Bucket Assy
Belfort Instrument Company
Cross-Reference Index
Part NumberManufacturer
5610 Lfe Instruments a Mark IV Co (USA)
Related Parts
7025-00-054-2932INTERCHANGEABLE
COMPUTYPER ASSEMBLY
5365-00-143-5610INTERCHANGEABLE
SPACER,CLUTCH PACK
42088
3110-00-156-7919INTERCHANGEABLE
BEARING,BALL,ANNULAR
2R341P22
4330-00-199-1611INTERCHANGEABLE
FILTER ELEMENT,FLUID
51610
2990-00-464-2914INTERCHANGEABLE
MUFFLER,EXHAUST
T-5610
3110-00-554-5715INTERCHANGEABLE
BEARING,BALL,ANNULAR
3120-00-661-8446INTERCHANGEABLE
BEARING,SLEEVE
7402860
5365-00-800-9145INTERCHANGEABLE
SPACER,SLEEVE
5995-00-816-3657INTERCHANGEABLE
CORD ASSEMBLY,ELECTRICAL,BRANCHE
6660-00-909-0316INTERCHANGEABLE
TIPPING BUCKET ASSY
5610
7510-00-924-6350INTERCHANGEABLE
INK,RECORDING INSTRUMENT
5830-01-056-9894INTERCHANGEABLE
PUBLIC ADDRESS SET

Frequently Asked Questions

What is NSN 6685-00-879-2233?

NSN 6685-00-879-2233 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 6685-00-879-2233?

NSN 6685-00-879-2233 has 1 cross-referenced part number: 5610 (Lfe Instruments a Mark IV Co).

What NSN replaces 6685-00-879-2233?

There are 12 known substitutes for 6685-00-879-2233: 7025-00-054-2932, 5365-00-143-5610, 3110-00-156-7919 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5610?

Key specifications for 5610: Overall Length: 5.000 INCHES NOMINAL IN; Material: PLASTIC METER CASE; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY SCALE TYPE,SCALE RANGE,SCALE ACCURACY,SCALE CALIBRATION,SCALE SMALLEST INCREMENTS,SCALE LENGTH; Scale Length: 4.500 INCHES NOMINAL IN. 15 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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