PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6604249Autopilot Battery Section

Naval Sea Systems Command · NSN 1420-01-323-3644 · FSC 1420 · No Item Name Available
Verified by PartsTable
NSN 1420-01-323-3644 — this item is cataloged by the U.S. Government under National Stock Number 1420-01-323-3644. Primary manufacturer part number: 6604249.
Features
  • Autopilot Battery Section — FSC 1420
  • Model Number: MK11 MOD 2
  • Precious Material: SILVER
  • Dot Proper Shipping Name: NOT REGULATED AS A HAZARDOUS MATERIAL
  • Dot Identification Number: UN0000
  • Dot Registration Code: EX1987080461A
  • General Characteristics Item Description: 13.39 IN LG,13.50 IN DIA IN
  • Hazardous Material Classification Code: N.R DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Autopilot Battery Section, cataloged under National Stock Number 1420-01-323-3644, is classified within Federal Supply Class 1420 (No Item Name Available) of the Guided Missiles group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN1420-01-323-3644
Primary Part Number6604249
Item NameAutopilot Battery Section
FSC / FSG1420 / 14 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Model NumberMK11 MOD 2
Precious MaterialSILVER
Dot Proper Shipping NameNOT REGULATED AS A HAZARDOUS MATERIAL
Dot Identification NumberUN0000
Dot Registration CodeEX1987080461A
General Characteristics Item Description13.39 IN LG,13.50 IN DIA IN
Hazardous Material Classification CodeN.R DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6135-00-318-8314WS12633-21 INTERCHANGEABLE
Battery,nonrechargeable
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
6604249 PRIMARY Naval Sea Systems Command (USA)
MK11-2 Naval Sea Systems Command (USA)
Related Parts
6135-00-318-8314INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
WS12633-21

Frequently Asked Questions

What is NSN 1420-01-323-3644?

NSN 1420-01-323-3644 is a Autopilot Battery Section, manufactured by Naval Sea Systems Command, classified under FSC 1420 (No Item Name Available). Status: active.

What are the part numbers for NSN 1420-01-323-3644?

NSN 1420-01-323-3644 has 2 cross-referenced part numbers: 6604249 (Naval Sea Systems Command), MK11-2 (Naval Sea Systems Command).

What NSN replaces 1420-01-323-3644?

There is 1 known substitute for 1420-01-323-3644: 6135-00-318-8314. Verify interchangeability with system specifications before substitution.

What are the specifications of 6604249?

Key specifications for 6604249: Model Number: MK11 MOD 2; Precious Material: SILVER; Dot Proper Shipping Name: NOT REGULATED AS A HAZARDOUS MATERIAL; Dot Identification Number: UN0000. 9 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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