PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-C-6499Clock,panel

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6645-01-235-9465 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-01-235-9465 — this item is cataloged by the U.S. Government under National Stock Number 6645-01-235-9465. Primary manufacturer part number: MIL-C-6499.
Features
  • Clock,panel — FSC 6645
  • Outside Diameter: 1.875 INCHES NOMINAL IN
  • Escapement Type: LEVER
  • Winding Device Location: FACE
  • Nonmagnetic Characteristic: INCLUDED
  • Movement Type: MECHANICAL
  • Second Hand Color: BLACK, LUSTERLESS
  • Maximum Running Time: 8.0 DAYS
Applications
  • Applications requiring Aluminum Case construction
General Description

The Clock,panel, cataloged under National Stock Number 6645-01-235-9465, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6645-01-235-9465
Primary Part NumberMIL-C-6499
Item NameClock,panel
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Outside Diameter1.875 INCHES NOMINAL IN
Escapement TypeLEVER
Winding Device LocationFACE
Nonmagnetic CharacteristicINCLUDED
Movement TypeMECHANICAL
Second Hand ColorBLACK, LUSTERLESS
Maximum Running Time8.0 DAYS
Chime MechanismNOT INCLUDED
Mechanical Movement TypeSPRING WOUND
Increment in Hours12.000
Dial Quantity1
Second Hand TypeSWEEP
Nondefinitive Spec/std DataA13A2 TYPE
Surface TreatmentPAINT LUSTERLESS CASE
Surface Treatment Document and ClassificationFN-10, NORTH AMERICAN PHILIPS CONTROLS CORP MFR REF SINGLE TREATMENT RESPONSE CASE
Specification/standard Data81349-MIL-C-6499 GOVERNMENT SPECIFICATION
MaterialALUMINUM CASE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
6645-00-084-1424 INTERCHANGEABLE
Clock,panel
6645-00-150-6526400202 INTERCHANGEABLE
Clock,panel
Waltham Aircraft Clock Corp
6645-00-880-5927400252 INTERCHANGEABLE
Clock,panel
Waltham Aircraft Clock Corp
6645-00-950-8599 INTERCHANGEABLE
Clock,panel
6645-01-383-7231A13A2 INTERCHANGEABLE
Clock,panel
Wakmann Watch Company Inc
6645-01-633-0303A-13A-2 INTERCHANGEABLE
Clock Paner
Waltham Aircraft Clock Corp
Cross-Reference Index
Part NumberManufacturer
MIL-C-6499 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
A13A2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILC6499 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILC6499C Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6645-00-084-1424INTERCHANGEABLE
CLOCK,PANEL
6645-00-150-6526INTERCHANGEABLE
CLOCK,PANEL
400202
6645-00-880-5927INTERCHANGEABLE
CLOCK,PANEL
400252
6645-00-950-8599INTERCHANGEABLE
CLOCK,PANEL
6645-01-383-7231INTERCHANGEABLE
CLOCK,PANEL
A13A2
6645-01-633-0303INTERCHANGEABLE
CLOCK PANER
A-13A-2

Frequently Asked Questions

What is NSN 6645-01-235-9465?

NSN 6645-01-235-9465 is a Clock,panel, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 6645 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6645-01-235-9465?

NSN 6645-01-235-9465 has 4 cross-referenced part numbers: MIL-C-6499 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), A13A2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILC6499 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILC6499C (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6645-01-235-9465?

There are 6 known substitutes for 6645-01-235-9465: 6645-00-084-1424, 6645-00-150-6526, 6645-00-880-5927 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-C-6499?

Key specifications for MIL-C-6499: Outside Diameter: 1.875 INCHES NOMINAL IN; Escapement Type: LEVER; Special Features: 2-SCALES,ONE SCALE ELAPSED TIME AND STANDARD TIME; SCALE RANGE 0.0 TO 60.0 MINUTES OUTER SCALE AND INNER SCALE 0.0 TO 12. HOUR; 4-HANDS,ONE HAND ELASPED TIME,ONE MINUTE HAND,ONE SWEEP HAND AND ONE HOUR HAND; KNOB LOCATION LOWER LEFT HAND CORNER ON FACE OF CLOCKFOR SETTING AND WINDING,UPPER RIGHT HAND CORNER FOR ELASPED TIME SETTING; Winding Device Location: FACE. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6645-01-235-9465 still in active supply?

NSN 6645-01-235-9465 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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