PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WT-1Test Set,optical Power

Optical Wavelength Laboratories Corp · NSN 6650-01-586-3131 · FSC 6650 · No Item Name Available
Verified by PartsTable
NSN 6650-01-586-3131 — this item is cataloged by the U.S. Government under National Stock Number 6650-01-586-3131. Primary manufacturer part number: WT-1.
Features
  • Test Set,optical Power — FSC 6650
  • Enclosure Feature: SINGLE ITEM W/HOUSING
  • Depth: 1.280 INCHES NOMINAL IN
  • Test Type for Which Designed: FIBER STANDARD CERTIFICATION; ATTENUATION MEASUREMENTS; OPTICAL LOSS MEASUREMENTS; FTTH LINK LOSS VERIFICATION; PATCH CORD TESTING; ACTIVE EQUIPMENT OPTICAL POWER MEASUREMENTS
  • Width: 2.750 INCHES NOMINAL IN
  • Height: 4.940 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Optical Wavelength Laboratories Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Test Set,optical Power, cataloged under National Stock Number 6650-01-586-3131, is classified within Federal Supply Class 6650 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Optical Wavelength Laboratories Corp. Government technical data includes 5 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6650-01-586-3131
Primary Part NumberWT-1
Item NameTest Set,optical Power
FSC / FSG6650 / 66 — No Item Name Available
ManufacturerOptical Wavelength Laboratories Corp
StatusACTIVE
Enclosure FeatureSINGLE ITEM W/HOUSING
Depth1.280 INCHES NOMINAL IN
Test Type for Which DesignedFIBER STANDARD CERTIFICATION; ATTENUATION MEASUREMENTS; OPTICAL LOSS MEASUREMENTS; FTTH LINK LOSS VERIFICATION; PATCH CORD TESTING; ACTIVE EQUIPMENT OPTICAL POWER MEASUREMENTS
Width2.750 INCHES NOMINAL IN
Height4.940 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4310-00-218-4184WT1 INTERCHANGEABLE
Plate,valve Stop
Circor Naval Solutions Llc Dba Warren Pumps
7035-00-569-7585 INTERCHANGEABLE
Cleaning Unit,magnetic Tape
5120-01-075-9312WT1-TB INTERCHANGEABLE
Installation Tool,cable Tie
Abb Installation Products Inc
5120-01-395-5741WT1 INTERCHANGEABLE
Pliers,wire Twister
Matco Tools Corp Div Matco Tools
5120-01-431-1940 INTERCHANGEABLE
Pliers,wire Twister
1925-01-473-2285WT1 INTERCHANGEABLE
Warping Tug
U S Army Tank Automotive Command Amsta-Im-Mm
6630-01-477-2395701-WQAS-P INTERCHANGEABLE
Water Quality Analysis Set
Highland Engineering, Inc.
Cross-Reference Index
Part NumberManufacturer
WT-1 PRIMARY Optical Wavelength Laboratories Corp (USA)
Related Parts
4310-00-218-4184INTERCHANGEABLE
PLATE,VALVE STOP
WT1
7035-00-569-7585INTERCHANGEABLE
CLEANING UNIT,MAGNETIC TAPE
5120-01-075-9312INTERCHANGEABLE
INSTALLATION TOOL,CABLE TIE
WT1-TB
5120-01-395-5741INTERCHANGEABLE
PLIERS,WIRE TWISTER
WT1
5120-01-431-1940INTERCHANGEABLE
PLIERS,WIRE TWISTER
1925-01-473-2285INTERCHANGEABLE
WARPING TUG
WT1
6630-01-477-2395INTERCHANGEABLE
WATER QUALITY ANALYSIS SET
701-WQAS-P

Frequently Asked Questions

What is NSN 6650-01-586-3131?

NSN 6650-01-586-3131 is a Test Set,optical Power, manufactured by Optical Wavelength Laboratories Corp, classified under FSC 6650 (No Item Name Available). Status: active.

What are the part numbers for NSN 6650-01-586-3131?

NSN 6650-01-586-3131 has 1 cross-referenced part number: WT-1 (Optical Wavelength Laboratories Corp).

What NSN replaces 6650-01-586-3131?

There are 7 known substitutes for 6650-01-586-3131: 4310-00-218-4184, 7035-00-569-7585, 5120-01-075-9312 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of WT-1?

Key specifications for WT-1: Enclosure Feature: SINGLE ITEM W/HOUSING; Part Name Assigned by Controlling Agency: CAGE: WAVETESTER OPTICAL POWER METER (STAND-ALONE); Depth: 1.280 INCHES NOMINAL IN; Test Type for Which Designed: FIBER STANDARD CERTIFICATION; ATTENUATION MEASUREMENTS; OPTICAL LOSS MEASUREMENTS; FTTH LINK LOSS VERIFICATION; PATCH CORD TESTING; ACTIVE EQUIPMENT OPTICAL POWER MEASUREMENTS. 7 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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