PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

290500Clock,wall

Weems & Plath, Inc. · NSN 6645-01-607-7931 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-01-607-7931 — this item is cataloged by the U.S. Government under National Stock Number 6645-01-607-7931. Primary manufacturer part number: 290500.
Features
  • Clock,wall — FSC 6645
  • Outside Diameter: 6.000 INCHES NOMINAL IN
  • Current Type: DC
  • Dial Quantity: 1
  • Current Failure Stand-by Device: NOT INCLUDED
  • Central Point Regulation: NOT PROVIDED
  • Material: COPPER ALLOY CASE
  • Bezel Type: SCREW
Applications
  • Applications requiring Copper Alloy Case construction
General Description

The Clock,wall, cataloged under National Stock Number 6645-01-607-7931, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Weems & Plath, Inc.. Government technical data includes 15 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6645-01-607-7931
Primary Part Number290500
Item NameClock,wall
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerWeems & Plath, Inc.
StatusACTIVE
Outside Diameter6.000 INCHES NOMINAL IN
Current TypeDC
Dial Quantity1
Current Failure Stand-by DeviceNOT INCLUDED
Central Point RegulationNOT PROVIDED
MaterialCOPPER ALLOY CASE
Bezel TypeSCREW
Prime Mover TypeCRYSTAL
ShapeROUND
Second Hand ColorRED
Self-Start FeatureNOT INCLUDED
Nonmagnetic CharacteristicNOT INCLUDED
Movement TypeELECTRICAL
Voltage in Volts1.5
Second Hand TypeSWEEP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4920-00-015-4115290500 INTERCHANGEABLE
Stand,maintenance,aircraft Engin
Eaton Corp Dba Eaton Aerospace Jackson
6625-00-082-034900500 INTERCHANGEABLE
Ammeter
Simpson Electric Company, Inc.
Cross-Reference Index
Part NumberManufacturer
290500 Weems & Plath, Inc. (USA)
Related Parts
4920-00-015-4115INTERCHANGEABLE
STAND,MAINTENANCE,AIRCRAFT ENGIN
290500
6625-00-082-0349INTERCHANGEABLE
AMMETER
00500

Frequently Asked Questions

What is NSN 6645-01-607-7931?

NSN 6645-01-607-7931 is a Clock,wall, manufactured by Weems & Plath, Inc., classified under FSC 6645 (No Item Name Available). Status: active.

What are the part numbers for NSN 6645-01-607-7931?

NSN 6645-01-607-7931 has 1 cross-referenced part number: 290500 (Weems & Plath, Inc.).

What NSN replaces 6645-01-607-7931?

There are 2 known substitutes for 6645-01-607-7931: 4920-00-015-4115, 6625-00-082-0349. Verify interchangeability with system specifications before substitution.

What are the specifications of 290500?

Key specifications for 290500: Outside Diameter: 6.000 INCHES NOMINAL IN; Current Type: DC; Overall Depth: 2.625 INCHES NOMINAL IN; Dial Quantity: 1. 17 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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