PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

451-00Oscillator Subassembly

Charles Industries, Llc Div Telecom · NSN 6625-01-239-9753 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-239-9753 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-239-9753. Primary manufacturer part number: 451-00.
Features
  • Oscillator Subassembly — FSC 6625
  • Component Type and Quantity: 1 DETECTOR AND 1 OSCILLATOR
  • Component Type and Quantity: 1 DETECTOR AND 1 OSCILLATOR
  • 3 verified cross-references
  • Primary manufacturer: Charles Industries, Llc Div Telecom
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Oscillator Subassembly, cataloged under National Stock Number 6625-01-239-9753, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Charles Industries, Llc Div Telecom. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-01-239-9753
Primary Part Number451-00
Item NameOscillator Subassembly
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerCharles Industries, Llc Div Telecom
StatusCANCELLED
Component Type and Quantity1 DETECTOR AND 1 OSCILLATOR
Component Type and Quantity1 DETECTOR AND 1 OSCILLATOR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Weight0.0100 lbs
Cube0.0010 cu ft
Verified Substitutes 9
5210-00-221-205045-100 INTERCHANGEABLE
Square,carpenter's
Stanley Tools Div of Stanley Works
3455-00-231-351458-10110 INTERCHANGEABLE
Cutter,milling,half Side
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
6685-00-494-1407382 INTERCHANGEABLE
Test Set,compartmen
Grove Valve Operations
5935-00-502-6730109662-5 INTERCHANGEABLE
Connector,plug,electrical
Northrop Grumman Systems Corporation
5955-00-789-810245100 INTERCHANGEABLE
Oscillator,noncrystal Controlled
L3harris Technologies, Inc. Div Space and Airborne Systems
7510-01-126-748945-100 INTERCHANGEABLE
Crayon,marking
Myers Tire Supply Distribution Inc Div Akron Branch
5307-01-280-8749 INTERCHANGEABLE
Stud,continuous Thread
6130-01-379-156245100 INTERCHANGEABLE
Power Supply
Setra Systems, Inc. Dba Gems Sensors
5110-01-607-928945-100 INTERCHANGEABLE
Stripper,wire,hand
Jensen Tools, Inc.
Cross-Reference Index
Part NumberManufacturer
TLC4451 I T I Electronics, Inc. (USA)
C91-045100 Charles Industries, Llc Div Telecom (USA)
451-00 PRIMARY Charles Industries, Llc Div Telecom (USA)
Related Parts
5210-00-221-2050INTERCHANGEABLE
SQUARE,CARPENTER'S
45-100
3455-00-231-3514INTERCHANGEABLE
CUTTER,MILLING,HALF SIDE
58-10110
6685-00-494-1407INTERCHANGEABLE
TEST SET,COMPARTMEN
382
5935-00-502-6730INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
109662-5
5955-00-789-8102INTERCHANGEABLE
OSCILLATOR,NONCRYSTAL CONTROLLED
45100
7510-01-126-7489INTERCHANGEABLE
CRAYON,MARKING
45-100
5307-01-280-8749INTERCHANGEABLE
STUD,CONTINUOUS THREAD
6130-01-379-1562INTERCHANGEABLE
POWER SUPPLY
45100
5110-01-607-9289INTERCHANGEABLE
STRIPPER,WIRE,HAND
45-100

Frequently Asked Questions

What is NSN 6625-01-239-9753?

NSN 6625-01-239-9753 is a Oscillator Subassembly, manufactured by Charles Industries, Llc Div Telecom, classified under FSC 6625 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6625-01-239-9753?

NSN 6625-01-239-9753 has 3 cross-referenced part numbers: TLC4451 (I T I Electronics, Inc.), C91-045100 (Charles Industries, Llc Div Telecom), 451-00 (Charles Industries, Llc Div Telecom).

What NSN replaces 6625-01-239-9753?

There are 9 known substitutes for 6625-01-239-9753: 5210-00-221-2050, 3455-00-231-3514, 6685-00-494-1407 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 451-00?

Key specifications for 451-00: Component Type and Quantity: 1 DETECTOR AND 1 OSCILLATOR; Special Features: FSC APPL: TELEPHONE AND TELEGRAPH EQUIPMENT; Component Type and Quantity: 1 DETECTOR AND 1 OSCILLATOR; Special Features: FSC APPL: TELEPHONE AND TELEGRAPH EQUIPMENT. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-01-239-9753 still in active supply?

NSN 6625-01-239-9753 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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