PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-PRF-46374G-B 1 IIIWatch,wrist

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6645-01-364-4042 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-01-364-4042 — this item is cataloged by the U.S. Government under National Stock Number 6645-01-364-4042. Primary manufacturer part number: MIL-PRF-46374G-B 1 III.
Features
  • Watch,wrist — FSC 6645
  • Dial Scale Marking Color: BLACK
  • Scale Quantity: 2
  • Inscription Color: GREEN, LUMINESCENT
  • Dial Outside Diameter: 1.185 INCHES IN
  • Graduation Unit: 1.000 HOUR
  • Movement Type: CONTINUOUS RUNNING
  • Scale Range: +0.0 TO 12.0 HOUR
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Watch,wrist, cataloged under National Stock Number 6645-01-364-4042, 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 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references 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: Cancelled.

Technical Specifications
ParameterValue
NSN6645-01-364-4042
Primary Part NumberMIL-PRF-46374G-B 1 III
Item NameWatch,wrist
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Dial Scale Marking ColorBLACK
Scale Quantity2
Inscription ColorGREEN, LUMINESCENT
Dial Outside Diameter1.185 INCHES IN
Graduation Unit1.000 HOUR
Movement TypeCONTINUOUS RUNNING
Scale Range+0.0 TO 12.0 HOUR
Dial Scale Marking LuminosityLUMINOUS
SubmersibilitySUBMERSIBLE
Waterproof FeatureINCLUDED
Maximum Test Pressure in Psi44.0
Winding MethodSTEM
Maximum Running Time36.0 HOURS
ColorBLACK BACKGROUND
Crystal TypeGLASS, TEMPERED
Jewel Quantity15
Hand DesignationHOUR HAND AND MINUTE HAND AND SECOND HAND
Hand TypeSWEEP
Luminous HandINCLUDED
Hand ColorGREEN, LUMINESCENT
Luminous DialINCLUDED
Stopwatch FeatureINCLUDED
Minor Graduation ColorWHITE
Major Graduation ColorGREEN, LUMINESCENT
Scale NameMINUTE AND HOUR
Luminous NumeralNOT INCLUDED
Second Setting FeatureNOT INCLUDED
Correct Time Reset TypeSTEM
Shockproof FeaturePROVIDED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
6645-00-066-42796645000664279 INTERCHANGEABLE
Watch,wrist
General Services Administration Federal Supply Service
6645-01-304-4308 INTERCHANGEABLE
Watch,wrist
6645-01-318-9834 INTERCHANGEABLE
Watch,wrist
Cross-Reference Index
Part NumberManufacturer
MIL-PRF-46374G-B 1 III Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-46374 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M46374-B1003 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-W-46374 TY6 COLOR B Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-W-46374 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6645-00-066-4279INTERCHANGEABLE
WATCH,WRIST
6645000664279
6645-01-304-4308INTERCHANGEABLE
WATCH,WRIST
6645-01-318-9834INTERCHANGEABLE
WATCH,WRIST

Frequently Asked Questions

What is NSN 6645-01-364-4042?

NSN 6645-01-364-4042 is a Watch,wrist, 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 6645-01-364-4042?

NSN 6645-01-364-4042 has 5 cross-referenced part numbers: MIL-PRF-46374G-B 1 III (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-46374 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M46374-B1003 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-W-46374 TY6 COLOR B (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-W-46374 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6645-01-364-4042?

There are 3 known substitutes for 6645-01-364-4042: 6645-00-066-4279, 6645-01-304-4308, 6645-01-318-9834. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-PRF-46374G-B 1 III?

Key specifications for MIL-PRF-46374G-B 1 III: Dial Scale Marking Color: BLACK; Scale Quantity: 2; Inscription Color: GREEN, LUMINESCENT; Dial Outside Diameter: 1.185 INCHES IN. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6645-01-364-4042 still in active supply?

NSN 6645-01-364-4042 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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