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Impulse Cartridge

NSN: 1377-00-987-3603 | Model: LD537925
ITAR Registered seal

An item consisting of a quantity of propellant and a means of activation enclosed in a container. It may contain an integral cutting punch. It is designed to be inserted into or attached to one or more devices to provide the energy required to operate a device not requiring a time delay in their operating sequence. It is used in devices, such as initiators, thrusters, cutters, and the like. For cartridges with a time delay see cartridge, delay.

NSN Properties and Flags
NATO Stock Number
Yes - ITAR Controlled (Code G)
Thread Class
3a thd
Terminal Type
Contact pin
Width Across Flats
0.625 inches
Overall Length
1.100 inches
Thread Size
0.500 in-20
Case Material
Cartridge Model Number
Mk 44 mod 0
Detonation Initiation Method
Package Model Number
Not assigned
Connection Facility Thread Class
2a thd
Current Rating In Amps
Connection Thread Size
0.500 in. 20 thd dl
Wrenching Facility
Integral Cutting Punch
Not included
Case Mounting Thread
Mounting Thread Series
Case Threaded Electrical Connection
Connection Thread Series
Double stub mod 60 deg
Explosive Power Rating
60.000 foot-pounds
Color Coded Feature
Not included
Not included
Charged End Diameter
0.500 inches
Dod Ammunition Code
Dot Identification Number
Dot Registration Code
Voltage In Volts
Net Explosive Weight
0.000276 storage pounds and 0.000276 transportation pounds
Hazardous Material Classification Code
1.4 department of defense hazard class division
Dot Proper Shipping Name
Cartridges, power device
Reference Number Differentiating Characteristics
As differentiated by unit package quantity, unit package type

Inventory Check

The last inventory check on this NSN was done on 10/28/2022. Due to rapid changes in inventory this may not be the current stock qty.

  • New Surplus: 6
  • New: 34

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

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NSN 1377-00-987-3603 Datasheet

Supply Class (FSC):
Cartridge And Propellant Actuated Devices And Components
Cross Reference:
  • LD537925
  • 2240772
  • S259M70T1011
  • 2240772
  • 42315-281
  • 1E050-1
  • 1377-M514
  • 42315-281
  • 2240772
Cage Codes:
  • Navair and Navsea Managed (CAGE 10001)
  • Airbus Helicopters Deutschland Gmbh (CAGE C0418)
  • Sikorsky Aircraft Corporation (CAGE 78286)
  • Goodrich Corporation (CAGE 3HRL4)
  • Composite Engineering, Inc. (CAGE 7J998)
  • Department Of Defense Ammunition (CAGE 99999)
  • Triumph Gear Systems, Inc. (CAGE 82402)
  • Cartridge Actuated Devices, Inc (CAGE 22567)
Schedule B & Trade:
  • Schedule B: 9803200000 (NAICS 990000)

    Military equipments not identified by kind

  • SITC: 93100

    Special transactions and commodities not classified according to kind

  • End Use: 50060

    Military apparel and footwear


Y - Indicates information is in the hazardous materials information resource system (hmirs).


A - Item does not contain precious metal.


- Represents items with no adp components


- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:
  • NMFC:

    064300 - Explosives: ammo or cartridges

  • ACC:

    3 - Ammunition (all types) including inert component parts. when the primary hazard of an ammunition item is a chemical (irritant, c

  • SHC:

    4 - Moderate sensitivity, category iii, aa&e, unclassified

  • WCC:

    680 - Ammunition for small arms

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • TCC:

    F - Explosives, class c, un class 1; minimum hazard

  • LCL:

    M - 85.0

  • LTL:

    W - Rating variable

NSN Management Codes:
  • SOS
  • AAC
  • Quantity per pack
  • Unit of Measure
  • Shelf Life
  • Classification Control
  • Repariability
    Repairable item. Condemnation and disposal to be performed at contractor facility.

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $1,419.32 to $2,365.54..
Does NSN 1377-00-987-3603 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Army, Department Of The Air Force, Department Of The Navy, Nadb (nato Ammunition Data Base), Brazil, Spain, Argentina, Singapore, Australia, South Africa, New Zealand, France, Germany, Republic Of Korea, United Kingdom, Denmark, Norway, Greece, Turkey, and Nato Maintenance and Supply Agency
What is the NIIN of NSN 1377-00-987-3603?
009873603 or 00-987-3603
Does NSN 1377-00-987-3603 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 1377-00-987-3603?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1962