PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5135Tester,pyrometer and Thermocoupl

Hart Scientific Llc · NSN 6685-01-382-1337 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-382-1337 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-382-1337. Primary manufacturer part number: 5135.
Features
  • Tester,pyrometer and Thermocoupl — FSC 6685
  • Scale Range: +22.0 TO 220.0 MILLIVOLTS
  • Scale Accuracy: +/-.02 DEG C DEGC
  • Measurement Type: MILLIVOLT CIRCUIT
  • Scale Type: DIGITAL
  • Case Type: SHOCK PROOF
  • 2 verified cross-references
  • Primary manufacturer: Hart Scientific Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Tester,pyrometer and Thermocoupl, cataloged under National Stock Number 6685-01-382-1337, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Hart Scientific Llc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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
NSN6685-01-382-1337
Primary Part Number5135
Item NameTester,pyrometer and Thermocoupl
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerHart Scientific Llc
StatusACTIVE
Scale Range+22.0 TO 220.0 MILLIVOLTS
Scale Accuracy+/-.02 DEG C DEGC
Measurement TypeMILLIVOLT CIRCUIT
Scale TypeDIGITAL
Case TypeSHOCK PROOF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1650-00-013-43955135 INTERCHANGEABLE
Body,valve
Eaton Aerospace, Llc Dba Jackson South
5305-00-147-26485135 INTERCHANGEABLE
Screw,machine
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
3020-00-152-89905135 INTERCHANGEABLE
Gear,worm
Struthers Wells Corp
5330-00-214-313712068 INTERCHANGEABLE
Gasket
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
5360-00-326-46115135 INTERCHANGEABLE
Spring,helical,compression
Meggitt North Hollywood Inc
6685-00-361-033200870A1 INTERCHANGEABLE
Thermometer,self-Indicating
Chaney John L Instrument Co Div of Desco Corp
5935-00-500-5183PL-259A INTERCHANGEABLE
Connector,plug,electrical
Delta Electronics Manufacturing Corp Div Delta Electronics Mfg. Corp.
6210-00-676-767751901-11-2 INTERCHANGEABLE
Light,indicator
Dialight Corporation
2520-00-734-92945135 INTERCHANGEABLE
Countershaft
Kenworth Truck Co a Div of Paccar Inc
4520-00-812-85944135 INTERCHANGEABLE
Control,water Heate
Therm-O-Disc Incorporated
Cross-Reference Index
Part NumberManufacturer
5135 Hart Scientific Llc (USA)
2000GS Xitron Technologies Inc (USA)
Related Parts
1650-00-013-4395INTERCHANGEABLE
BODY,VALVE
5135
5305-00-147-2648INTERCHANGEABLE
SCREW,MACHINE
5135
3020-00-152-8990INTERCHANGEABLE
GEAR,WORM
5135
5330-00-214-3137INTERCHANGEABLE
GASKET
12068
5360-00-326-4611INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5135
6685-00-361-0332INTERCHANGEABLE
THERMOMETER,SELF-INDICATING
00870A1
5935-00-500-5183INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
PL-259A
6210-00-676-7677INTERCHANGEABLE
LIGHT,INDICATOR
51901-11-2
2520-00-734-9294INTERCHANGEABLE
COUNTERSHAFT
5135
4520-00-812-8594INTERCHANGEABLE
CONTROL,WATER HEATE
4135
5935-01-019-6550INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5135
5930-01-147-5199INTERCHANGEABLE
SWITCH,PRESSURE
5135

Frequently Asked Questions

What is NSN 6685-01-382-1337?

NSN 6685-01-382-1337 is a Tester,pyrometer and Thermocoupl, manufactured by Hart Scientific Llc, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-382-1337?

NSN 6685-01-382-1337 has 2 cross-referenced part numbers: 5135 (Hart Scientific Llc), 2000GS (Xitron Technologies Inc).

What NSN replaces 6685-01-382-1337?

There are 12 known substitutes for 6685-01-382-1337: 1650-00-013-4395, 5305-00-147-2648, 3020-00-152-8990 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5135?

Key specifications for 5135: Special Features: SIMULATES THERMOCOUPLE INPUTS TO CALIBRATE PYROMETERS;CONTAINS BATTERY PACK OR 115 VAC 60 HZ VAC; Scale Range: +22.0 TO 220.0 MILLIVOLTS; Scale Accuracy: +/-.02 DEG C DEGC; Measurement Type: MILLIVOLT CIRCUIT. 6 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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