PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

400236Clock,panel

Waltham Clock Co Inc · NSN 6645-00-353-6659 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-00-353-6659 — this item is cataloged by the U.S. Government under National Stock Number 6645-00-353-6659. Primary manufacturer part number: 400236.
Features
  • Clock,panel — FSC 6645
  • Maximum Running Time: 192.0 HOURS
  • Nonmagnetic Characteristic: INCLUDED
  • Winding Device Location: FACE
  • Dial Scale Marking Luminosity: LUMINOUS
  • 1 verified cross-reference
  • Primary manufacturer: Waltham Clock Co Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Clock,panel, cataloged under National Stock Number 6645-00-353-6659, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Waltham Clock Co Inc. Government technical data includes 4 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6645-00-353-6659
Primary Part Number400236
Item NameClock,panel
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerWaltham Clock Co Inc
StatusACTIVE
Maximum Running Time192.0 HOURS
Nonmagnetic CharacteristicINCLUDED
Winding Device LocationFACE
Dial Scale Marking LuminosityLUMINOUS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5325-00-690-78824002-36 INTERCHANGEABLE
Stud Assembly,turnlock Fastener
Howmet Global Fastening Systems Inc Div Camloc Products
6515-01-499-6662400.336 INTERCHANGEABLE
Screw,cortex,mandibular
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
5360-01-595-632140-0236 INTERCHANGEABLE
Spring,helical,compression
Tri Tool Inc
Cross-Reference Index
Part NumberManufacturer
400236 Waltham Clock Co Inc (USA)
Related Parts
5325-00-690-7882INTERCHANGEABLE
STUD ASSEMBLY,TURNLOCK FASTENER
4002-36
6515-01-499-6662INTERCHANGEABLE
SCREW,CORTEX,MANDIBULAR
400.336
5360-01-595-6321INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
40-0236

Frequently Asked Questions

What is NSN 6645-00-353-6659?

NSN 6645-00-353-6659 is a Clock,panel, manufactured by Waltham Clock Co Inc, classified under FSC 6645 (No Item Name Available). Status: active.

What are the part numbers for NSN 6645-00-353-6659?

NSN 6645-00-353-6659 has 1 cross-referenced part number: 400236 (Waltham Clock Co Inc).

What NSN replaces 6645-00-353-6659?

There are 3 known substitutes for 6645-00-353-6659: 5325-00-690-7882, 6515-01-499-6662, 5360-01-595-6321. Verify interchangeability with system specifications before substitution.

What are the specifications of 400236?

Key specifications for 400236: Maximum Running Time: 192.0 HOURS; Overall Height: 2.437 INCHES NOMINAL IN; Nonmagnetic Characteristic: INCLUDED; Part Name Assigned by Controlling Agency: CLOCK,AIRCRAFT,MECHANICAL. 7 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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