PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B146Test Set,computer

Lockheed Martin Corp · NSN 6625-00-725-4322 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-725-4322 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-725-4322. Primary manufacturer part number: B146.
Features
  • Test Set,computer — FSC 6625
  • Frequency Rating: 400.0 HERTZ NOMINAL FIRST OPERATING POWER RQMT
  • Phase: THREE FIRST OPERATING POWER RQMT
  • AC Voltage Rating: 6.5 VOLTS NOMINAL FIRST OPERATING POWER RQMT
  • Enclosure Feature: SINGLE ITEM W/HOUSING
  • Test Type for Which Designed: SIMULATES INPUTS FOR COMPUTER PERFORMANCE CHECK; PROVIDES MALFUNCTION ISOLATION OF COMPUTER UNDER TEST
  • Material: STEEL HOUSING
  • Width: 22.000 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Housing construction
General Description

The Test Set,computer, cataloged under National Stock Number 6625-00-725-4322, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 20 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-00-725-4322
Primary Part NumberB146
Item NameTest Set,computer
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Frequency Rating400.0 HERTZ NOMINAL FIRST OPERATING POWER RQMT
PhaseTHREE FIRST OPERATING POWER RQMT
AC Voltage Rating6.5 VOLTS NOMINAL FIRST OPERATING POWER RQMT
Enclosure FeatureSINGLE ITEM W/HOUSING
Test Type for Which DesignedSIMULATES INPUTS FOR COMPUTER PERFORMANCE CHECK; PROVIDES MALFUNCTION ISOLATION OF COMPUTER UNDER TEST
MaterialSTEEL HOUSING
Width22.000 INCHES NOMINAL IN
Length22.000 INCHES NOMINAL IN
Height60.000 INCHES NOMINAL IN
Surface TreatmentENAMEL
Frequency Rating400.0 HERTZ NOMINAL FIRST OPERATING POWER RQMT
PhaseTHREE FIRST OPERATING POWER RQMT
AC Voltage Rating6.5 VOLTS NOMINAL FIRST OPERATING POWER RQMT
Enclosure FeatureSINGLE ITEM W/HOUSING
Test Type for Which DesignedSIMULATES INPUTS FOR COMPUTER PERFORMANCE CHECK; PROVIDES MALFUNCTION ISOLATION OF COMPUTER UNDER TEST
MaterialSTEEL HOUSING
Width22.000 INCHES NOMINAL IN
Length22.000 INCHES NOMINAL IN
Height60.000 INCHES NOMINAL IN
Surface TreatmentENAMEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Weight470.0000 lbs
Cube19.4444 cu ft
Verified Substitutes 6
5999-00-502-0061B2144370ISSUEA SUCCESSOR
Contact Assembly,electrical
L3harris Technologies, Inc.
5940-00-243-0409AAA16-1 INTERCHANGEABLE
Terminal,lug
Mac Products, Inc
3110-00-555-400012008249 INTERCHANGEABLE
Bearing,roller,needle
Jtekt Bearings North America Llc Div Kbna - Ord 1
5950-00-769-5106B146 INTERCHANGEABLE
Transformer,potential
Kurz & Root Generator Company, Llc
5985-00-869-9143 INTERCHANGEABLE
Waveguide Assembly
5120-01-335-0917FS141 INTERCHANGEABLE
Socket,socket Wrench
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
Cross-Reference Index
Part NumberManufacturer
B146 PRIMARY Lockheed Martin Corp (USA)
Related Parts
5999-00-502-0061SUCCESSOR
CONTACT ASSEMBLY,ELECTRICAL
B2144370ISSUEA
5940-00-243-0409INTERCHANGEABLE
TERMINAL,LUG
AAA16-1
3110-00-555-4000INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
12008249
5950-00-769-5106INTERCHANGEABLE
TRANSFORMER,POTENTIAL
B146
5985-00-869-9143INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
5120-01-335-0917INTERCHANGEABLE
SOCKET,SOCKET WRENCH
FS141

Frequently Asked Questions

What is NSN 6625-00-725-4322?

NSN 6625-00-725-4322 is a Test Set,computer, manufactured by Lockheed Martin Corp, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-725-4322?

NSN 6625-00-725-4322 has 1 cross-referenced part number: B146 (Lockheed Martin Corp).

What NSN replaces 6625-00-725-4322?

There are 6 known substitutes for 6625-00-725-4322: 5999-00-502-0061, 5940-00-243-0409, 3110-00-555-4000 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B146?

Key specifications for B146: Frequency Rating: 400.0 HERTZ NOMINAL FIRST OPERATING POWER RQMT; Phase: THREE FIRST OPERATING POWER RQMT; AC Voltage Rating: 6.5 VOLTS NOMINAL FIRST OPERATING POWER RQMT; Enclosure Feature: SINGLE ITEM W/HOUSING. 20 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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