PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1340-H557Rocket,high Explosive,66 Millime

Department of Defense Ammunition Code Assigned and Promulgated by Characteristics and Taxomony Branch Defense Logistics · NSN 1340-01-429-4632 · FSC 1340 · No Item Name Available
Verified by PartsTable
NSN 1340-01-429-4632 — this item is cataloged by the U.S. Government under National Stock Number 1340-01-429-4632. Primary manufacturer part number: 1340-H557.
Features
  • Rocket,high Explosive,66 Millime — FSC 1340
  • Net Explosive Weight: 0.9770 STORAGE POUNDS AND 0.9770 TRANSPORTATION POUNDS
  • Unable to Decode: UNABLE TO DECODE
  • Base Fuze: INCLUDED
  • Dod Ammunition Code: 1340-H557
  • Package Model Number: MK14
  • Hazardous Material Classification Code: 1.1 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION AND N/A FIREFIGHTING GROUP AND (00) INHABITED BUILDING DISTANCE AND F STORAGE COMPATIBILITY GROUP
  • Package Reference Number: 51660 US NAVY US
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Rocket,high Explosive,66 Millime, cataloged under National Stock Number 1340-01-429-4632, is classified within Federal Supply Class 1340 (No Item Name Available) of the Ammunition and Explosives group. The primary manufacturer of record is Department of Defense Ammunition Code Assigned and Promulgated by Characteristics and Taxomony Branch Defense Logistics. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1340-01-429-4632
Primary Part Number1340-H557
Item NameRocket,high Explosive,66 Millime
FSC / FSG1340 / 13 — No Item Name Available
ManufacturerDepartment of Defense Ammunition Code Assigned and Promulgated by Characteristics and Taxomony Branch Defense Logistics
StatusACTIVE
Net Explosive Weight0.9770 STORAGE POUNDS AND 0.9770 TRANSPORTATION POUNDS
Unable to DecodeUNABLE TO DECODE
Base FuzeINCLUDED
Dod Ammunition Code1340-H557
Package Model NumberMK14
Hazardous Material Classification Code1.1 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION AND N/A FIREFIGHTING GROUP AND (00) INHABITED BUILDING DISTANCE AND F STORAGE COMPATIBILITY GROUP
Package Reference Number51660 US NAVY US
Head TypeANTITANK
Gross Weight14.6 SHIPPING CONTAINER POUNDS AND 745.0 PALLET FLEET, US NAVY POUNDS
Model NumberM72A5
Nose FuzeNOT INCLUDED
Unable to DecodeUNABLE TO DECODE
Reference Number Differentiating CharacteristicsDIFFERENTIATED BY PACKAGING CONFIGURATION, TYPE OF CONTAINER, AND PACKAGE MODEL NUMBER.
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1340-00-007-4889 INTERCHANGEABLE
Rocket,high Explosive,66 Millime
5315-00-013-7186 INTERCHANGEABLE
Pin,cotter
1340-00-021-4478 INTERCHANGEABLE
Rocket,high Explosive,66 Millime
1340-00-021-44809270983-2 INTERCHANGEABLE
Rocket,high Explosive,66 Millime
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament
1340-00-021-4491 INTERCHANGEABLE
Rocket,high Explosive,66 Millime
5950-00-079-539451110 INTERCHANGEABLE
Coil,radio Frequency
Vanguard Electronics, Llc
4320-00-102-439351110 INTERCHANGEABLE
Pump,axial Pistons
Parker Hannifin Corporation Div Hydraulic Systems Division
5120-00-892-5485 INTERCHANGEABLE
Hammer,hand
2940-00-922-2077BT-248 INTERCHANGEABLE
Filter Element,fluid
Baldwin Filters
1340-01-029-8012 INTERCHANGEABLE
Rocket,high Explosive,66 Millime
Cross-Reference Index
Part NumberManufacturer
1340-H557 Department of Defense Ammunition Code Assigned and Promulgated by Characteristics and Taxomony Branch Defense Logistics (USA)
51110 Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc (USA)
Related Parts
1340-00-007-4889INTERCHANGEABLE
ROCKET,HIGH EXPLOSIVE,66 MILLIME
5315-00-013-7186INTERCHANGEABLE
PIN,COTTER
1340-00-021-4478INTERCHANGEABLE
ROCKET,HIGH EXPLOSIVE,66 MILLIME
1340-00-021-4480INTERCHANGEABLE
ROCKET,HIGH EXPLOSIVE,66 MILLIME
9270983-2
1340-00-021-4491INTERCHANGEABLE
ROCKET,HIGH EXPLOSIVE,66 MILLIME
5950-00-079-5394INTERCHANGEABLE
COIL,RADIO FREQUENCY
51110
4320-00-102-4393INTERCHANGEABLE
PUMP,AXIAL PISTONS
51110
5120-00-892-5485INTERCHANGEABLE
HAMMER,HAND
2940-00-922-2077INTERCHANGEABLE
FILTER ELEMENT,FLUID
BT-248
1340-01-029-8012INTERCHANGEABLE
ROCKET,HIGH EXPLOSIVE,66 MILLIME
3110-01-291-4545INTERCHANGEABLE
BEARING,BALL,THRUST
51110
1340-01-384-9481INTERCHANGEABLE
ROCKET,HIGH EXPLOSIVE,66 MILLIME
51360

Frequently Asked Questions

What is NSN 1340-01-429-4632?

NSN 1340-01-429-4632 is a Rocket,high Explosive,66 Millime, manufactured by Department of Defense Ammunition Code Assigned and Promulgated by Characteristics and Taxomony Branch Defense Logistics, classified under FSC 1340 (No Item Name Available). Status: active.

What are the part numbers for NSN 1340-01-429-4632?

NSN 1340-01-429-4632 has 2 cross-referenced part numbers: 1340-H557 (Department of Defense Ammunition Code Assigned and Promulgated by Characteristics and Taxomony Branch Defense Logistics), 51110 (Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc).

What NSN replaces 1340-01-429-4632?

There are 12 known substitutes for 1340-01-429-4632: 1340-00-007-4889, 5315-00-013-7186, 1340-00-021-4478 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1340-H557?

Key specifications for 1340-H557: Net Explosive Weight: 0.9770 STORAGE POUNDS AND 0.9770 TRANSPORTATION POUNDS; Unable to Decode: UNABLE TO DECODE; Base Fuze: INCLUDED; Dod Ammunition Code: 1340-H557. 13 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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