PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

648Bolometer,radio Frequency

Telephonics Corp/prd Instruments · NSN 6625-00-618-9192 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-618-9192 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-618-9192. Primary manufacturer part number: 648.
Features
  • Bolometer,radio Frequency — FSC 6625
  • Sensing Element Type: THERMISTOR
  • Inductive Pickup Loop Type: FIXED
  • Frequency Range Rating: +12.4 TO 18.0 GIGAHERTZ
  • Battery Case: NOT PROVIDED
  • Sensing Element Type: THERMISTOR
  • Inductive Pickup Loop Type: FIXED
  • Frequency Range Rating: +12.4 TO 18.0 GIGAHERTZ
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Bolometer,radio Frequency, cataloged under National Stock Number 6625-00-618-9192, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Telephonics Corp/prd Instruments. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-618-9192
Primary Part Number648
Item NameBolometer,radio Frequency
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerTelephonics Corp/prd Instruments
StatusCANCELLED
Sensing Element TypeTHERMISTOR
Inductive Pickup Loop TypeFIXED
Frequency Range Rating+12.4 TO 18.0 GIGAHERTZ
Battery CaseNOT PROVIDED
Sensing Element TypeTHERMISTOR
Inductive Pickup Loop TypeFIXED
Frequency Range Rating+12.4 TO 18.0 GIGAHERTZ
Battery CaseNOT PROVIDED
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor6625-00-045-4367 (07500)
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Weight0.2000 lbs
Cube0.0250 cu ft
Verified Substitutes 12
No Item Name Available
6625-00-045-436707500 SUCCESSOR
Lead,test
Simpson Electric Company, Inc.
6625-00-072-70612378536-3 SUCCESSOR
Ammeter
Lockheed Martin Corporation Div Rms - Mitchel Field
5940-00-237-6763SCD13507ITEM52 INTERCHANGEABLE
Terminal Board
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4730-00-281-2697648 INTERCHANGEABLE
Nipple,pipe
Milton Industries, Inc
5330-00-291-96340S1500-1 INTERCHANGEABLE
Seal,plain Encased
Gits Mfg Co Inc
6150-00-432-3311648 INTERCHANGEABLE
Bus,conductor
Zierick Mfg Corp
6630-01-049-0209 INTERCHANGEABLE
Analyzer,oxygen
4420-01-173-4524RB-648 INTERCHANGEABLE
Riser,condensate Return
Aerco International, Inc. Dba Aerco International Inc
5930-01-244-7354648 INTERCHANGEABLE
Switch,electrical
Globe Food Equipment Company
Cross-Reference Index
Part NumberManufacturer
648 PRIMARY Telephonics Corp/prd Instruments (USA)
GH808G1 Northrop Grumman Systems Corporation (USA)
U401 Kontron Europe Gmbh (DEU)
648 Peraton Inc (USA)
P487B PRIMARY Keysight Technologies Inc (USA)
U401 PRIMARY General Microwave Corporation Div Kratos Microwave Electronics (USA)
P487B Hewlett-Packard Company Dba HP (USA)
P487B Keysight Technologies, Inc. (USA)
Related Parts
SUCCESSOR 6625-00-045-4367 Lead,test · 07500
6625-00-796-3166SUCCESSOR
NO ITEM NAME AVAILABLE
6625-00-072-7061SUCCESSOR
AMMETER
2378536-3
5940-00-237-6763INTERCHANGEABLE
TERMINAL BOARD
SCD13507ITEM52
4730-00-281-2697INTERCHANGEABLE
NIPPLE,PIPE
648
5330-00-291-9634INTERCHANGEABLE
SEAL,PLAIN ENCASED
0S1500-1
6150-00-432-3311INTERCHANGEABLE
BUS,CONDUCTOR
648
6630-01-049-0209INTERCHANGEABLE
ANALYZER,OXYGEN
4420-01-173-4524INTERCHANGEABLE
RISER,CONDENSATE RETURN
RB-648
5930-01-244-7354INTERCHANGEABLE
SWITCH,ELECTRICAL
648
5961-01-410-2856INTERCHANGEABLE
TRANSISTOR
U401
6650-01-438-4117INTERCHANGEABLE
BINOCULAR

Frequently Asked Questions

What is NSN 6625-00-618-9192?

NSN 6625-00-618-9192 is a Bolometer,radio Frequency, manufactured by Telephonics Corp/prd Instruments, classified under FSC 6625 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6625-00-618-9192?

NSN 6625-00-618-9192 has 8 cross-referenced part numbers: 648 (Telephonics Corp/prd Instruments), GH808G1 (Northrop Grumman Systems Corporation), U401 (Kontron Europe Gmbh), 648 (Peraton Inc), P487B (Keysight Technologies Inc) and 3 more.

What NSN replaces 6625-00-618-9192?

There are 12 known substitutes for 6625-00-618-9192: 6625-00-796-3166, 6625-00-045-4367, 6625-00-072-7061 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 648?

Key specifications for 648: Sensing Element Type: THERMISTOR; End Item Identification: T-37, T-38, F-4 AIRCRAFT SUPPORT EQUIPMENT. EA-6B PROWLER, TA-4J, P-3 ORION AIRCRAFT.; Overall Width: 0.812 INCHES NOMINAL IN; Inductive Pickup Loop Type: FIXED. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-00-618-9192 still in active supply?

NSN 6625-00-618-9192 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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