PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M877-28Chronometer

Davtron · NSN 6645-01-296-2301 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-01-296-2301 — this item is cataloged by the U.S. Government under National Stock Number 6645-01-296-2301. Primary manufacturer part number: M877-28.
Features
  • Chronometer — FSC 6645
  • 3 verified cross-references
  • Primary manufacturer: Davtron
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Chronometer, cataloged under National Stock Number 6645-01-296-2301, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Davtron. 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: Cancelled.

Catalog Facts
Item NameChronometer
FSC / FSG6645 — No Item Name Available (FSG 66)
ManufacturersGeneral Dynamics Land Systems Canadacorp (CAGE 56161); Davtron (CAGE 63131)
Technical Specifications
ParameterValue
NSN6645-01-296-2301
Primary Part NumberM877-28
Item NameChronometer
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerDavtron
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
2320-01-010-495611614317-3 INTERCHANGEABLE
Truck,cargo
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
10525899 General Dynamics Land Systems Canadacorp (CAN)
M877 Davtron (USA)
M877-28 PRIMARY Davtron (USA)
Related Parts
2320-01-010-4956INTERCHANGEABLE
TRUCK,CARGO
11614317-3

Frequently Asked Questions

What is NSN 6645-01-296-2301?

NSN 6645-01-296-2301 is a Chronometer, manufactured by Davtron, classified under FSC 6645 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6645-01-296-2301?

NSN 6645-01-296-2301 has 3 cross-referenced part numbers: 10525899 (General Dynamics Land Systems Canadacorp), M877 (Davtron), M877-28 (Davtron).

What NSN replaces 6645-01-296-2301?

There is 1 known substitute for 6645-01-296-2301: 2320-01-010-4956. Verify interchangeability with system specifications before substitution.

Is NSN 6645-01-296-2301 still in active supply?

NSN 6645-01-296-2301 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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