PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-M-7793/9AMeter,time Totalizing

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6645-01-425-2330 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-01-425-2330 — this item is cataloged by the U.S. Government under National Stock Number 6645-01-425-2330. Primary manufacturer part number: MIL-M-7793/9A.
Features
  • Meter,time Totalizing — FSC 6645
  • 3 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 Meter,time Totalizing, cataloged under National Stock Number 6645-01-425-2330, 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. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6645-01-425-2330
Primary Part NumberMIL-M-7793/9A
Item NameMeter,time Totalizing
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6645-00-762-7452 INTERCHANGEABLE
Meter,time Totalizing
Cross-Reference Index
Part NumberManufacturer
MIL-M-7793/9A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
620C-B Cramer Co Division of Chestnut Group Inc (USA)
M7793/9-001A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6645-00-762-7452INTERCHANGEABLE
METER,TIME TOTALIZING

Frequently Asked Questions

What is NSN 6645-01-425-2330?

NSN 6645-01-425-2330 is a Meter,time Totalizing, 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 6645-01-425-2330?

NSN 6645-01-425-2330 has 3 cross-referenced part numbers: MIL-M-7793/9A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 620C-B (Cramer Co Division of Chestnut Group Inc), M7793/9-001A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6645-01-425-2330?

There is 1 known substitute for 6645-01-425-2330: 6645-00-762-7452. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-M-7793/9A?

Key specifications for MIL-M-7793/9A: Special Features: ITEM HAS SQUARE FACE AND A SQUARE BEZEL.. 1 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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