PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20123Stamp,time

Follett Time Recording Co Inc · NSN 6645-00-240-4749 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-00-240-4749 — this item is cataloged by the U.S. Government under National Stock Number 6645-00-240-4749. Primary manufacturer part number: 20123.
Features
  • Stamp,time — FSC 6645
  • Mechanical Drive Type: SPRING
  • Printing Mechanism Actuation Method: MANUAL
  • Recording Position: HORIZONTAL
  • Printed Color Quantity: 1
  • Recorder Printout Type: DATE AND TIME
  • Mounting Type: DESK
  • Document Positioning Type: MANUAL DOCUMENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Stamp,time, cataloged under National Stock Number 6645-00-240-4749, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Follett Time Recording Co Inc. Government technical data includes 7 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6645-00-240-4749
Primary Part Number20123
Item NameStamp,time
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerFollett Time Recording Co Inc
StatusACTIVE
Mechanical Drive TypeSPRING
Printing Mechanism Actuation MethodMANUAL
Recording PositionHORIZONTAL
Printed Color Quantity1
Recorder Printout TypeDATE AND TIME
Mounting TypeDESK
Document Positioning TypeMANUAL DOCUMENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-043-3931 INTERCHANGEABLE
Gasket
5133-00-228-1372 INTERCHANGEABLE
Drill,twist
5330-00-353-097712508 INTERCHANGEABLE
Gasket
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
3740-00-425-59985253228 INTERCHANGEABLE
Gun,fog Spray
Durand-Wayland Inc Div John Bean Sprayers
5940-00-998-2801 INTERCHANGEABLE
Terminal Board
6625-01-034-162720123 INTERCHANGEABLE
Monitor,radio Frequency
Telephonics Corp/prd Instruments
5360-01-076-286720-128 INTERCHANGEABLE
Spring
Stewart & Stevenson Power Products Llc
5360-01-224-231820123 INTERCHANGEABLE
Spring,helical,compression
Parker Hannifin Corporation Div Hydraulic Systems Division
4920-01-300-201820123 INTERCHANGEABLE
Test Program Set
Textron Systems Corporation Dba Textron Systems Corp
6685-01-325-8046LMM38-2002 INTERCHANGEABLE
Pyrometer,indicating
Srm Mfg. Co., Llc Dba Srm Mfg Co
Cross-Reference Index
Part NumberManufacturer
20123 PRIMARY Follett Time Recording Co Inc (USA)
Related Parts
5330-00-043-3931INTERCHANGEABLE
GASKET
5133-00-228-1372INTERCHANGEABLE
DRILL,TWIST
5330-00-353-0977INTERCHANGEABLE
GASKET
12508
3740-00-425-5998INTERCHANGEABLE
GUN,FOG SPRAY
5253228
5940-00-998-2801INTERCHANGEABLE
TERMINAL BOARD
6625-01-034-1627INTERCHANGEABLE
MONITOR,RADIO FREQUENCY
20123
5360-01-076-2867INTERCHANGEABLE
SPRING
20-128
5360-01-224-2318INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
20123
4920-01-300-2018INTERCHANGEABLE
TEST PROGRAM SET
20123
6685-01-325-8046INTERCHANGEABLE
PYROMETER,INDICATING
LMM38-2002
5330-01-354-5870INTERCHANGEABLE
PARTS KIT,SEAL REPLACEMENT,MECHA
221.20.004.0K
5315-01-369-4454INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS

Frequently Asked Questions

What is NSN 6645-00-240-4749?

NSN 6645-00-240-4749 is a Stamp,time, manufactured by Follett Time Recording Co Inc, classified under FSC 6645 (No Item Name Available). Status: active.

What are the part numbers for NSN 6645-00-240-4749?

NSN 6645-00-240-4749 has 1 cross-referenced part number: 20123 (Follett Time Recording Co Inc).

What NSN replaces 6645-00-240-4749?

There are 12 known substitutes for 6645-00-240-4749: 5330-00-043-3931, 5133-00-228-1372, 5330-00-353-0977 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20123?

Key specifications for 20123: Mechanical Drive Type: SPRING; Printing Mechanism Actuation Method: MANUAL; Overall Length: 5.000 INCHES NOMINAL IN; Recording Position: HORIZONTAL. 10 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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