PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ML-305/A/TMCharge,calcium Hydride

Joint Electronics Type Designation System · NSN 6660-00-408-4560 · FSC 6660 · No Item Name Available
Verified by PartsTable
NSN 6660-00-408-4560 — this item is cataloged by the U.S. Government under National Stock Number 6660-00-408-4560. Primary manufacturer part number: ML-305/A/TM.
Features
  • Charge,calcium Hydride — FSC 6660
  • General Characteristics Item Description: 90.0 PCT MIN BY WT CALCIUM HYDRIDE,SEALED METAL CANISTER
  • Special Handling Feature: FLAMMABLE
  • Nondefinitive Spec/std Data: ML-305/A/TM SIZE
  • 5 verified cross-references
  • Primary manufacturer: Joint Electronics Type Designation System
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Charge,calcium Hydride, cataloged under National Stock Number 6660-00-408-4560, is classified within Federal Supply Class 6660 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Joint Electronics Type Designation System. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, 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
NSN6660-00-408-4560
Primary Part NumberML-305/A/TM
Item NameCharge,calcium Hydride
FSC / FSG6660 / 66 — No Item Name Available
ManufacturerJoint Electronics Type Designation System
StatusCANCELLED
General Characteristics Item Description90.0 PCT MIN BY WT CALCIUM HYDRIDE,SEALED METAL CANISTER
Special Handling FeatureFLAMMABLE
Nondefinitive Spec/std DataML-305/A/TM SIZE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5133-00-189-9326200 9/16 INTERCHANGEABLE
Drill,twist
Michigan Drill Corp
5310-01-331-905541-136 INTERCHANGEABLE
Nut
Amphenol Corp Div Amphenol Aerospace Operations
6210-01-463-6417 INTERCHANGEABLE
Light,indicator
Cross-Reference Index
Part NumberManufacturer
ML-305/A/TM Joint Electronics Type Designation System (USA)
ML-305(A)/TM Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-C-11135 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
7A384-305A Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
4-1136 Department of the Army (USA)
Related Parts
5133-00-189-9326INTERCHANGEABLE
DRILL,TWIST
200 9/16
5310-01-331-9055INTERCHANGEABLE
NUT
41-136
6210-01-463-6417INTERCHANGEABLE
LIGHT,INDICATOR

Frequently Asked Questions

What is NSN 6660-00-408-4560?

NSN 6660-00-408-4560 is a Charge,calcium Hydride, manufactured by Joint Electronics Type Designation System, classified under FSC 6660 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6660-00-408-4560?

NSN 6660-00-408-4560 has 5 cross-referenced part numbers: ML-305/A/TM (Joint Electronics Type Designation System), ML-305(A)/TM (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-C-11135 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 7A384-305A (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 4-1136 (Department of the Army).

What NSN replaces 6660-00-408-4560?

There are 3 known substitutes for 6660-00-408-4560: 5133-00-189-9326, 5310-01-331-9055, 6210-01-463-6417. Verify interchangeability with system specifications before substitution.

What are the specifications of ML-305/A/TM?

Key specifications for ML-305/A/TM: General Characteristics Item Description: 90.0 PCT MIN BY WT CALCIUM HYDRIDE,SEALED METAL CANISTER; Special Handling Feature: FLAMMABLE; Nondefinitive Spec/std Data: ML-305/A/TM SIZE. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6660-00-408-4560 still in active supply?

NSN 6660-00-408-4560 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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