PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1377-MT05Initiator,cartridge Actuated

Department of Defense Ammunition Code Assigned and Promulgated by Characteristics and Taxomony Branch Defense Logistics · NSN 1377-01-260-5473 · FSC 1377 · No Item Name Available
Verified by PartsTable
NSN 1377-01-260-5473 — this item is cataloged by the U.S. Government under National Stock Number 1377-01-260-5473. Primary manufacturer part number: 1377-MT05.
Features
  • Initiator,cartridge Actuated — FSC 1377
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY UNIT PACKAGE QUANTITY AND UNIT PACKAGE TYPE
  • Dot Identification Number: UN0276
  • Cartridge Design Type: TIME DELAY
  • Detonation Initiation Method: GAS
  • Hazardous Material Classification Code: 1.4 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION
  • Model Number: JAU-58/A
  • Cartridge: INCLUDED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Initiator,cartridge Actuated, cataloged under National Stock Number 1377-01-260-5473, is classified within Federal Supply Class 1377 (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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1377-01-260-5473
Primary Part Number1377-MT05
Item NameInitiator,cartridge Actuated
FSC / FSG1377 / 13 — No Item Name Available
ManufacturerDepartment of Defense Ammunition Code Assigned and Promulgated by Characteristics and Taxomony Branch Defense Logistics
StatusACTIVE
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY UNIT PACKAGE QUANTITY AND UNIT PACKAGE TYPE
Dot Identification NumberUN0276
Cartridge Design TypeTIME DELAY
Detonation Initiation MethodGAS
Hazardous Material Classification Code1.4 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION
Model NumberJAU-58/A
CartridgeINCLUDED
Dod Ammunition Code1377-MT05
Net Explosive Weight0.00488 STORAGE POUNDS AND 0.00488 TRANSPORTATION POUNDS
Dot Proper Shipping NameCARTRIDGES, POWER DEVICE
Cartridge Model NumberNOT ASSIGNED
Dot Registration CodeEX1987090210
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5120-00-177-6874 INTERCHANGEABLE
Key,socket Head Screw
3030-00-529-0353227241 INTERCHANGEABLE
Belt,v
Manitowoc Engineering Co Division of the Manitowoc Co Inc
4820-00-932-09581-2035 INTERCHANGEABLE
Valve,safety Relief
Frank Electric Corporation Dba Frank Electric Corporation
6625-00-976-9503 INTERCHANGEABLE
Switch,electronic
5998-01-038-0158 INTERCHANGEABLE
Circuit Card Assembly
5930-01-043-487512035 INTERCHANGEABLE
Switch,sensitive
Power Control Devices, Inc.
5985-01-063-5903 INTERCHANGEABLE
Coupler,transmission Line
5305-01-217-5899 INTERCHANGEABLE
Screw,machine
6105-01-280-534312035 INTERCHANGEABLE
Diaphragm
Melrath Gasket
1005-01-459-478312035 INTERCHANGEABLE
Extractor,cartridge
O F Mossberg & Sons Inc
Cross-Reference Index
Part NumberManufacturer
1377-MT05 Department of Defense Ammunition Code Assigned and Promulgated by Characteristics and Taxomony Branch Defense Logistics (USA)
1203-5 Universal Propulsion Company Inc Dba Goodrich Div Universal Propulsion Co., Inc. (USA)
837AS184 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
Related Parts
5120-00-177-6874INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
3030-00-529-0353INTERCHANGEABLE
BELT,V
227241
4820-00-932-0958INTERCHANGEABLE
VALVE,SAFETY RELIEF
1-2035
6625-00-976-9503INTERCHANGEABLE
SWITCH,ELECTRONIC
5998-01-038-0158INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5930-01-043-4875INTERCHANGEABLE
SWITCH,SENSITIVE
12035
5985-01-063-5903INTERCHANGEABLE
COUPLER,TRANSMISSION LINE
5305-01-217-5899INTERCHANGEABLE
SCREW,MACHINE
6105-01-280-5343INTERCHANGEABLE
DIAPHRAGM
12035
1005-01-459-4783INTERCHANGEABLE
EXTRACTOR,CARTRIDGE
12035
5330-01-600-9114INTERCHANGEABLE
SEAL,PLAIN
12035

Frequently Asked Questions

What is NSN 1377-01-260-5473?

NSN 1377-01-260-5473 is a Initiator,cartridge Actuated, manufactured by Department of Defense Ammunition Code Assigned and Promulgated by Characteristics and Taxomony Branch Defense Logistics, classified under FSC 1377 (No Item Name Available). Status: active.

What are the part numbers for NSN 1377-01-260-5473?

NSN 1377-01-260-5473 has 3 cross-referenced part numbers: 1377-MT05 (Department of Defense Ammunition Code Assigned and Promulgated by Characteristics and Taxomony Branch Defense Logistics), 1203-5 (Universal Propulsion Company Inc Dba Goodrich Div Universal Propulsion Co., Inc.), 837AS184 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).

What NSN replaces 1377-01-260-5473?

There are 11 known substitutes for 1377-01-260-5473: 5120-00-177-6874, 3030-00-529-0353, 4820-00-932-0958 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1377-MT05?

Key specifications for 1377-MT05: Special Features: 400 MILLISECOND TIME DELAY MS; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY UNIT PACKAGE QUANTITY AND UNIT PACKAGE TYPE; Dot Identification Number: UN0276; Cartridge Design Type: TIME DELAY. 14 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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