PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

252ATest Set,optical Power

Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems · NSN 6650-01-524-3194 · FSC 6650 · No Item Name Available
Verified by PartsTable
NSN 6650-01-524-3194 — this item is cataloged by the U.S. Government under National Stock Number 6650-01-524-3194. Primary manufacturer part number: 252A.
Features
  • Test Set,optical Power — FSC 6650
  • Test Type for Which Designed: MULTI MODE AND SINGLE MODE FIBER OPTIC CABLES AND CONNECTORS
  • Height: 1.400 INCHES NOMINAL IN
  • Features Provided: INTERNAL BATTERY ACCOMMODATION LOCATION NOT OTHERWISE SPECIFIED
  • Width: 2.800 INCHES NOMINAL IN
  • Enclosure Feature: MULTIPLE ITEM W/HOUSING
  • Length: 5.600 INCHES NOMINAL IN
  • Electrical Power Source Relationship: OPERATING
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 6650-01-524-3194, is classified within Federal Supply Class 6650 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6650-01-524-3194
Primary Part Number252A
Item NameTest Set,optical Power
FSC / FSG6650 / 66 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems
StatusACTIVE
Test Type for Which DesignedMULTI MODE AND SINGLE MODE FIBER OPTIC CABLES AND CONNECTORS
Height1.400 INCHES NOMINAL IN
Features ProvidedINTERNAL BATTERY ACCOMMODATION LOCATION NOT OTHERWISE SPECIFIED
Width2.800 INCHES NOMINAL IN
Enclosure FeatureMULTIPLE ITEM W/HOUSING
Length5.600 INCHES NOMINAL IN
Electrical Power Source RelationshipOPERATING
Operating Test CapabilityWAVELENGTH RANGE: 840-880NM, 1270-1345NM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5330-00-221-1674800-001-6 INTERCHANGEABLE
Packing with Retainer
Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division
6685-00-782-5236 INTERCHANGEABLE
Thermometer,self-Indicating,bime
5975-01-115-2542252A INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
Cross-Reference Index
Part NumberManufacturer
252A PRIMARY Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems (USA)
252A Northrop Grumman Systems Corporation (USA)
252A Greenlee Tools, Inc. Dba Greenlee Textron Tempo Operation (USA)
Related Parts
5330-00-221-1674INTERCHANGEABLE
PACKING WITH RETAINER
800-001-6
6685-00-782-5236INTERCHANGEABLE
THERMOMETER,SELF-INDICATING,BIME
5975-01-115-2542INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
252A

Frequently Asked Questions

What is NSN 6650-01-524-3194?

NSN 6650-01-524-3194 is a Test Set,optical Power, manufactured by Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems, classified under FSC 6650 (No Item Name Available). Status: active.

What are the part numbers for NSN 6650-01-524-3194?

NSN 6650-01-524-3194 has 3 cross-referenced part numbers: 252A (Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems), 252A (Northrop Grumman Systems Corporation), 252A (Greenlee Tools, Inc. Dba Greenlee Textron Tempo Operation).

What NSN replaces 6650-01-524-3194?

There are 3 known substitutes for 6650-01-524-3194: 5330-00-221-1674, 6685-00-782-5236, 5975-01-115-2542. Verify interchangeability with system specifications before substitution.

What are the specifications of 252A?

Key specifications for 252A: End Item Identification: ACCESSORY SET AIRCR;E-2 GSE (ANUSG3 CEC); Test Type for Which Designed: MULTI MODE AND SINGLE MODE FIBER OPTIC CABLES AND CONNECTORS; Special Features: TWO AA BATTERIES, MORE THAN 24 HOURS CONTINUOUS OPERATION;OPERATING TEMPERATURE:-15 TO 55 DEGREES CELSIUS;UNIVERSAL CONNECTOR INTERFACE; Height: 1.400 INCHES NOMINAL IN. 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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