PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

555BTest Set,optical Power

Greenlee Tools, Inc. Dba Greenlee Textron Tempo Operation · NSN 6650-01-460-0330 · FSC 6650 · No Item Name Available
Verified by PartsTable
NSN 6650-01-460-0330 — this item is cataloged by the U.S. Government under National Stock Number 6650-01-460-0330. Primary manufacturer part number: 555B.
Features
  • Test Set,optical Power — FSC 6650
  • Enclosure Feature: MULTIPLE ITEM W/HOUSING
  • Operating Test Capability: +3 TO -60 DBM AT 850/1300/1550NM DBM
  • Material: PLASTIC PHENOLIC HOUSING
  • Features Provided: INTERNAL BATTERY ACCOMMODATION LOCATION NOT OTHERWISE SPECIFIED
  • Height: 60.0 MILLIMETERS NOMINAL MM
  • Electrical Power Source Relationship: OPERATING
  • Length: 140.0 MILLIMETERS NOMINAL MM
Applications
  • Applications requiring Plastic Phenolic Housing construction
General Description

The Test Set,optical Power, cataloged under National Stock Number 6650-01-460-0330, is classified within Federal Supply Class 6650 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Greenlee Tools, Inc. Dba Greenlee Textron Tempo Operation. Government technical data includes 9 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6650-01-460-0330
Primary Part Number555B
Item NameTest Set,optical Power
FSC / FSG6650 / 66 — No Item Name Available
ManufacturerGreenlee Tools, Inc. Dba Greenlee Textron Tempo Operation
StatusACTIVE
Enclosure FeatureMULTIPLE ITEM W/HOUSING
Operating Test Capability+3 TO -60 DBM AT 850/1300/1550NM DBM
MaterialPLASTIC PHENOLIC HOUSING
Features ProvidedINTERNAL BATTERY ACCOMMODATION LOCATION NOT OTHERWISE SPECIFIED
Height60.0 MILLIMETERS NOMINAL MM
Electrical Power Source RelationshipOPERATING
Length140.0 MILLIMETERS NOMINAL MM
Test Type for Which DesignedPROVIDES FOR MEASUREMENT OF INSERTATION LOSS AND ATTENUATION OF FIBER OPTIC CIRCUIT
Width25.0 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4730-00-254-62110716-MM5-BB02 INTERCHANGEABLE
Elbow,pipe to Tube
The Shyft Group Usa, Inc Dba the Shyft Group Usa, Inc
6625-00-255-0186555B INTERCHANGEABLE
Wavemeter
Telephonics Corp/prd Instruments
4730-00-277-8259101-40007 INTERCHANGEABLE
Elbow,pipe to Tube
Danfoss Power Solutions II, Llc
5120-01-367-7227555B INTERCHANGEABLE
Screwdriver,jeweler's,swivel Kno
L.s. Starrett Company (the) Div Tool Division
Cross-Reference Index
Part NumberManufacturer
555B Greenlee Tools, Inc. Dba Greenlee Textron Tempo Operation (USA)
76A67000-001 Greenlee Tools, Inc. Dba Greenlee Textron Tempo Operation (USA)
Related Parts
4730-00-254-6211INTERCHANGEABLE
ELBOW,PIPE TO TUBE
0716-MM5-BB02
6625-00-255-0186INTERCHANGEABLE
WAVEMETER
555B
4730-00-277-8259INTERCHANGEABLE
ELBOW,PIPE TO TUBE
101-40007
5120-01-367-7227INTERCHANGEABLE
SCREWDRIVER,JEWELER'S,SWIVEL KNO
555B

Frequently Asked Questions

What is NSN 6650-01-460-0330?

NSN 6650-01-460-0330 is a Test Set,optical Power, manufactured by Greenlee Tools, Inc. Dba Greenlee Textron Tempo Operation, classified under FSC 6650 (No Item Name Available). Status: active.

What are the part numbers for NSN 6650-01-460-0330?

NSN 6650-01-460-0330 has 2 cross-referenced part numbers: 555B (Greenlee Tools, Inc. Dba Greenlee Textron Tempo Operation), 76A67000-001 (Greenlee Tools, Inc. Dba Greenlee Textron Tempo Operation).

What NSN replaces 6650-01-460-0330?

There are 4 known substitutes for 6650-01-460-0330: 4730-00-254-6211, 6625-00-255-0186, 4730-00-277-8259 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 555B?

Key specifications for 555B: Enclosure Feature: MULTIPLE ITEM W/HOUSING; Operating Test Capability: +3 TO -60 DBM AT 850/1300/1550NM DBM; Special Features: OPTICAL POWER METER, NIST CERTIFIABLY, CONNECTOR INTERFACE (SOC SERIES)4 DIGIT LED; Material: PLASTIC PHENOLIC HOUSING. 11 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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