PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-PRF-46374Watch,wrist

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6645-01-318-9834 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-01-318-9834 — this item is cataloged by the U.S. Government under National Stock Number 6645-01-318-9834. Primary manufacturer part number: MIL-PRF-46374.
Features
  • Watch,wrist — FSC 6645
  • Dial Outside Diameter: 1.120 INCHES IN
  • Color: BLACK, FED STD 595, 37038 BACKGROUND
  • 4 verified cross-references
  • Primary manufacturer: Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Watch,wrist, cataloged under National Stock Number 6645-01-318-9834, 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 2 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6645-01-318-9834
Primary Part NumberMIL-PRF-46374
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
StatusACTIVE
Dial Outside Diameter1.120 INCHES IN
ColorBLACK, FED STD 595, 37038 BACKGROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6645-00-066-42796645000664279 INTERCHANGEABLE
Watch,wrist
General Services Administration Federal Supply Service
5310-01-287-2877 INTERCHANGEABLE
Nut,plain,round
6645-01-304-4308 INTERCHANGEABLE
Watch,wrist
6645-01-364-4042 INTERCHANGEABLE
Watch,wrist
Cross-Reference Index
Part NumberManufacturer
MIL-PRF-46374 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M46374-5-B-B Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M46374-B3001 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
B3001 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
5310-01-287-2877INTERCHANGEABLE
NUT,PLAIN,ROUND
6645-01-304-4308INTERCHANGEABLE
WATCH,WRIST
6645-01-364-4042INTERCHANGEABLE
WATCH,WRIST

Frequently Asked Questions

What is NSN 6645-01-318-9834?

NSN 6645-01-318-9834 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: active.

What are the part numbers for NSN 6645-01-318-9834?

NSN 6645-01-318-9834 has 4 cross-referenced part numbers: MIL-PRF-46374 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M46374-5-B-B (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M46374-B3001 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), B3001 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6645-01-318-9834?

There are 4 known substitutes for 6645-01-318-9834: 6645-00-066-4279, 5310-01-287-2877, 6645-01-304-4308 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-PRF-46374?

Key specifications for MIL-PRF-46374: Dial Outside Diameter: 1.120 INCHES IN; Color: BLACK, FED STD 595, 37038 BACKGROUND. 2 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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