PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8170Clock,synchronized

Safran Trusted 4d Inc. · NSN 6645-01-144-1346 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-01-144-1346 — this item is cataloged by the U.S. Government under National Stock Number 6645-01-144-1346. Primary manufacturer part number: 8170.
Features
  • Clock,synchronized — FSC 6645
  • General Characteristics Item Description: RECEIVES NBS TRANSMITTED 60KHZ RADIO SIGNAL FROM STATION WWVB,DECODES DATA STREAM,FRONT PANEL DIGITAL READOUT PROVIDES HOURS,MINUTES,AND SECONDS IN LED DIGITS;INTERNAL OSCILLATOR PROVIDES HIGH ACCURACY DURING NOISY RECEPTION;MILLISECOND ACCURACY;RS-232C SERIAL OUTPUT KHz
  • 1 verified cross-reference
  • Primary manufacturer: Safran Trusted 4d Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Clock,synchronized, cataloged under National Stock Number 6645-01-144-1346, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Safran Trusted 4d Inc.. Government technical data includes 1 verified specification, 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6645-01-144-1346
Primary Part Number8170
Item NameClock,synchronized
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerSafran Trusted 4d Inc.
StatusACTIVE
General Characteristics Item DescriptionRECEIVES NBS TRANSMITTED 60KHZ RADIO SIGNAL FROM STATION WWVB,DECODES DATA STREAM,FRONT PANEL DIGITAL READOUT PROVIDES HOURS,MINUTES,AND SECONDS IN LED DIGITS;INTERNAL OSCILLATOR PROVIDES HIGH ACCURACY DURING NOISY RECEPTION;MILLISECOND ACCURACY;RS-232C SERIAL OUTPUT KHz
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4310-00-195-57148170 INTERCHANGEABLE
Ring Set,piston
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
5940-00-204-8233 INTERCHANGEABLE
Terminal Board
5920-00-284-7780128008 INTERCHANGEABLE
Fuseholder,extractor Post
Stromberg-Carlson Corp a Plessey Telecommunications Co
2825-00-446-92538169 INTERCHANGEABLE
Bushing with Key
Northrop Grumman Systems Corporation Div Marine Systems
4140-00-518-1963 INTERCHANGEABLE
Fan,ventilating
6530-00-598-57014453 INTERCHANGEABLE
Table,overbed
Hard Manufacturing Co Inc
1005-00-654-5182 INTERCHANGEABLE
Screw,guard Bow,fro
6350-00-829-7739 INTERCHANGEABLE
Horn,signal
6515-01-013-0921 INTERCHANGEABLE
Catheter,peritoneal Dialysis
6145-01-307-78038170 INTERCHANGEABLE
Cable,special Purpose,electrical
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
Cross-Reference Index
Part NumberManufacturer
8170 PRIMARY Safran Trusted 4d Inc. (USA)
Related Parts
4310-00-195-5714INTERCHANGEABLE
RING SET,PISTON
8170
5940-00-204-8233INTERCHANGEABLE
TERMINAL BOARD
5920-00-284-7780INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
128008
2825-00-446-9253INTERCHANGEABLE
BUSHING WITH KEY
8169
4140-00-518-1963INTERCHANGEABLE
FAN,VENTILATING
6530-00-598-5701INTERCHANGEABLE
TABLE,OVERBED
4453
1005-00-654-5182INTERCHANGEABLE
SCREW,GUARD BOW,FRO
6350-00-829-7739INTERCHANGEABLE
HORN,SIGNAL
6515-01-013-0921INTERCHANGEABLE
CATHETER,PERITONEAL DIALYSIS
6145-01-307-7803INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
8170

Frequently Asked Questions

What is NSN 6645-01-144-1346?

NSN 6645-01-144-1346 is a Clock,synchronized, manufactured by Safran Trusted 4d Inc., classified under FSC 6645 (No Item Name Available). Status: active.

What are the part numbers for NSN 6645-01-144-1346?

NSN 6645-01-144-1346 has 1 cross-referenced part number: 8170 (Safran Trusted 4d Inc.).

What NSN replaces 6645-01-144-1346?

There are 10 known substitutes for 6645-01-144-1346: 4310-00-195-5714, 5940-00-204-8233, 5920-00-284-7780 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8170?

Key specifications for 8170: General Characteristics Item Description: RECEIVES NBS TRANSMITTED 60KHZ RADIO SIGNAL FROM STATION WWVB,DECODES DATA STREAM,FRONT PANEL DIGITAL READOUT PROVIDES HOURS,MINUTES,AND SECONDS IN LED DIGITS;INTERNAL OSCILLATOR PROVIDES HIGH ACCURACY DURING NOISY RECEPTION;MILLISECOND ACCURACY;RS-232C SERIAL OUTPUT KHz. 1 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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