PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

405-6190PC24Clock,marine,mechanical

Huntington Ingalls Inc Div Newport News Shipbuilding · NSN 6645-00-224-8632 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-00-224-8632 — this item is cataloged by the U.S. Government under National Stock Number 6645-00-224-8632. Primary manufacturer part number: 405-6190PC24.
Features
  • Clock,marine,mechanical — FSC 6645
  • Nonmagnetic Characteristic: NOT INCLUDED
  • Maximum Running Time: 8.0 DAYS
  • Bezel Type: HINGED
  • Dial Outside Diameter: 8.500 INCHES IN
  • Scale Range: +0.0 TO 0.2 SECOND
  • Second Hand Color: RED, LUSTERLESS
  • Striking Mechanism: NOT INCLUDED
Applications
  • Applications requiring Plastic Case construction
General Description

The Clock,marine,mechanical, cataloged under National Stock Number 6645-00-224-8632, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6645-00-224-8632
Primary Part Number405-6190PC24
Item NameClock,marine,mechanical
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerHuntington Ingalls Inc Div Newport News Shipbuilding
StatusCANCELLED
Nonmagnetic CharacteristicNOT INCLUDED
Maximum Running Time8.0 DAYS
Bezel TypeHINGED
Dial Outside Diameter8.500 INCHES IN
Scale Range+0.0 TO 0.2 SECOND
Second Hand ColorRED, LUSTERLESS
Striking MechanismNOT INCLUDED
Winding Device LocationFACE
Plastic Case ColorBLACK
Jewel Quantity11
Second Hand TypeSWEEP
MaterialPLASTIC CASE
Nondefinitive Spec/std DataB TYPE
Civil Date IndicatorNOT INCLUDED
Luminous DialNOT INCLUDED
ColorBLACK BACKGROUND
Special MarkingsU. S. GOVERNMENT MARKED ON DIAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5133-00-224-4028 INTERCHANGEABLE
Drill,twist
6645-00-224-8629 INTERCHANGEABLE
Clock,marine,mechanical
6645-00-224-8631 INTERCHANGEABLE
Clock,marine,mechanical
1660-00-622-6237AF40C-25 INTERCHANGEABLE
Valve,air,shut Off
Tactair Fluid Controls Inc
5342-00-777-7643H271-1 INTERCHANGEABLE
Latch Assembly,cowl
Hartwell Corporation
4920-00-885-723920634 INTERCHANGEABLE
Orifice
Avox Systems Inc Dba Avox Systems Inc
6645-01-229-249740063PH INTERCHANGEABLE
Clock,marine,mechanical
The Chelsea Clock Llc
5120-01-240-9827 INTERCHANGEABLE
Puller Bar,2 Stage
5360-01-434-031020634 INTERCHANGEABLE
Spring,helical,compression
Triumph Actuation Systems - Valencia, Inc. Dba Triumph Actuation Systems - Valencia Inc Div Triumph Actuation Systems-Val
Cross-Reference Index
Part NumberManufacturer
405-6190PC24 Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
DS3409 Energy Services Group Div of Cooper Industries Inc (USA)
TYPEBSIZE8 1-2IN Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILC1194 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
20634 The Chelsea Clock Llc (USA)
12E8-5INTYPEB The Chelsea Clock Llc (USA)
M0D12E8-5INXTYPEEB The Chelsea Clock Llc (USA)
Related Parts
5133-00-224-4028INTERCHANGEABLE
DRILL,TWIST
6645-00-224-8629INTERCHANGEABLE
CLOCK,MARINE,MECHANICAL
6645-00-224-8631INTERCHANGEABLE
CLOCK,MARINE,MECHANICAL
1660-00-622-6237INTERCHANGEABLE
VALVE,AIR,SHUT OFF
AF40C-25
5342-00-777-7643INTERCHANGEABLE
LATCH ASSEMBLY,COWL
H271-1
4920-00-885-7239INTERCHANGEABLE
ORIFICE
20634
6645-01-229-2497INTERCHANGEABLE
CLOCK,MARINE,MECHANICAL
40063PH
5120-01-240-9827INTERCHANGEABLE
PULLER BAR,2 STAGE
5360-01-434-0310INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
20634

Frequently Asked Questions

What is NSN 6645-00-224-8632?

NSN 6645-00-224-8632 is a Clock,marine,mechanical, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 6645 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6645-00-224-8632?

NSN 6645-00-224-8632 has 7 cross-referenced part numbers: 405-6190PC24 (Huntington Ingalls Inc Div Newport News Shipbuilding), DS3409 (Energy Services Group Div of Cooper Industries Inc), TYPEBSIZE8 1-2IN (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILC1194 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 20634 (The Chelsea Clock Llc) and 2 more.

What NSN replaces 6645-00-224-8632?

There are 9 known substitutes for 6645-00-224-8632: 5133-00-224-4028, 6645-00-224-8629, 6645-00-224-8631 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 405-6190PC24?

Key specifications for 405-6190PC24: Nonmagnetic Characteristic: NOT INCLUDED; Maximum Running Time: 8.0 DAYS; Bezel Type: HINGED; Dial Outside Diameter: 8.500 INCHES IN. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6645-00-224-8632 still in active supply?

NSN 6645-00-224-8632 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.
PartsTable Design LLC · partstable.com