PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1609Bridge,impedance

Genrad Inc · NSN 6625-00-106-0643 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-106-0643 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-106-0643. Primary manufacturer part number: 1609.
Features
  • Bridge,impedance — FSC 6625
  • Furnished Items and Quantity: 50 OHM CONDUCTANCE STANDARD 1; ADJUSTABLE STUB AND VARIABLE AIR CAPACITOR; MULTIPLIER PLATES 2; PATCH CORD 1; WOODEN STORAGE CASE
  • Functional Classification: AA2.3
  • Reference Data and Literature: TO 33A1-6-124-1
  • Functional Description: PRECISION TWO TERMINAL UHF BRIDGE USED TO MEASURE NORMALIZED IMPEDANCE, NORMALIZED ADMITTANCE, OR VSWR FROM 20 TO 1500MHZ MHz
  • Furnished Items and Quantity: 50 OHM CONDUCTANCE STANDARD 1; ADJUSTABLE STUB AND VARIABLE AIR CAPACITOR; MULTIPLIER PLATES 2; PATCH CORD 1; WOODEN STORAGE CASE
  • Functional Classification: AA2.3
  • Reference Data and Literature: TO 33A1-6-124-1
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Bridge,impedance, cataloged under National Stock Number 6625-00-106-0643, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Genrad Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-106-0643
Primary Part Number1609
Item NameBridge,impedance
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerGenrad Inc
StatusACTIVE
Furnished Items and Quantity50 OHM CONDUCTANCE STANDARD 1; ADJUSTABLE STUB AND VARIABLE AIR CAPACITOR; MULTIPLIER PLATES 2; PATCH CORD 1; WOODEN STORAGE CASE
Functional ClassificationAA2.3
Reference Data and LiteratureTO 33A1-6-124-1
Functional DescriptionPRECISION TWO TERMINAL UHF BRIDGE USED TO MEASURE NORMALIZED IMPEDANCE, NORMALIZED ADMITTANCE, OR VSWR FROM 20 TO 1500MHZ MHz
Furnished Items and Quantity50 OHM CONDUCTANCE STANDARD 1; ADJUSTABLE STUB AND VARIABLE AIR CAPACITOR; MULTIPLIER PLATES 2; PATCH CORD 1; WOODEN STORAGE CASE
Functional ClassificationAA2.3
Reference Data and LiteratureTO 33A1-6-124-1
Functional DescriptionPRECISION TWO TERMINAL UHF BRIDGE USED TO MEASURE NORMALIZED IMPEDANCE, NORMALIZED ADMITTANCE, OR VSWR FROM 20 TO 1500MHZ MHz
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality Code00
Unit of IssueEA
SMR CodeVM
Weight25.0000 lbs
Cube2.2949 cu ft
Verified Substitutes 12
5895-01-014-70531741A-003 SUCCESSOR
Filter,light,cathode Ray Tube
Metavac Llc
5930-00-201-5105570-89 INTERCHANGEABLE
Switch,push
Raytheon Company Dba Raytheon Co
5315-00-248-60241609 INTERCHANGEABLE
Key
Eaton Aerospace, Llc Dba Jackson South
5935-00-854-8568160-9 INTERCHANGEABLE
Connector,plug,electrical
Amphenol Corp Div Amphenol Aerospace Operations
5120-00-863-04361609 INTERCHANGEABLE
Fixture
Aerocontrolex Group, Inc. Div Talley Actuators
5935-01-013-11471609 INTERCHANGEABLE
Connector,plug,electrical
Ted Manufacturing Corp Div Ted Manufacturing Corporation
6850-01-092-3550 INTERCHANGEABLE
Silicone Compound
4530-01-097-0511C554A1463 INTERCHANGEABLE
Flame Detector,cadmium Sulfide
Honeywell Inc Residential Div
6530-01-119-00121-609 INTERCHANGEABLE
Spineboard
Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia
5930-01-146-2051 INTERCHANGEABLE
Switch,toggle
Cross-Reference Index
Part NumberManufacturer
1609 Genrad Inc (USA)
1609-9701 Genrad Inc (USA)
1609-9701 Iet Labs Inc (USA)
1609 Iet Labs Inc (USA)
Related Parts
5895-01-014-7053SUCCESSOR
FILTER,LIGHT,CATHODE RAY TUBE
1741A-003
5930-00-201-5105INTERCHANGEABLE
SWITCH,PUSH
570-89
5315-00-248-6024INTERCHANGEABLE
KEY
1609
5935-00-854-8568INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
160-9
5120-00-863-0436INTERCHANGEABLE
FIXTURE
1609
5935-01-013-1147INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
1609
6850-01-092-3550INTERCHANGEABLE
SILICONE COMPOUND
4530-01-097-0511INTERCHANGEABLE
FLAME DETECTOR,CADMIUM SULFIDE
C554A1463
6530-01-119-0012INTERCHANGEABLE
SPINEBOARD
1-609
5930-01-146-2051INTERCHANGEABLE
SWITCH,TOGGLE
5950-01-165-2768INTERCHANGEABLE
TRANSFORMER,CURRENT
L03323
4820-01-201-1471INTERCHANGEABLE
VALVE,CHECK
1609

Frequently Asked Questions

What is NSN 6625-00-106-0643?

NSN 6625-00-106-0643 is a Bridge,impedance, manufactured by Genrad Inc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-106-0643?

NSN 6625-00-106-0643 has 4 cross-referenced part numbers: 1609 (Genrad Inc), 1609-9701 (Genrad Inc), 1609-9701 (Iet Labs Inc), 1609 (Iet Labs Inc).

What NSN replaces 6625-00-106-0643?

There are 12 known substitutes for 6625-00-106-0643: 5895-01-014-7053, 5930-00-201-5105, 5315-00-248-6024 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1609?

Key specifications for 1609: Furnished Items and Quantity: 50 OHM CONDUCTANCE STANDARD 1; ADJUSTABLE STUB AND VARIABLE AIR CAPACITOR; MULTIPLIER PLATES 2; PATCH CORD 1; WOODEN STORAGE CASE; Functional Classification: AA2.3; Reference Data and Literature: TO 33A1-6-124-1; Overall Height: 185.0 MILLIMETERS NOMINAL MM. 14 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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