PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B41020Cartridge,delay

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 1377-00-506-1351 · FSC 1377 · No Item Name Available
Verified by PartsTable
NSN 1377-00-506-1351 — this item is cataloged by the U.S. Government under National Stock Number 1377-00-506-1351. Primary manufacturer part number: B41020.
Features
  • Cartridge,delay — FSC 1377
  • Material: ALUMINUM CASE
  • Delay Time in Seconds: 1.000
  • Detonation Initiation Method: PERCUSSION
  • Cartridge Model Number: M71,MODEL NO. OF CARTRIDGE
  • Hazardous Material Classification Code: 1.4 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION
  • Dod Ammunition Code: 1377-M216
  • Integral Cutting Punch: NOT INCLUDED
Applications
  • Applications requiring Aluminum Case construction
General Description

The Cartridge,delay, cataloged under National Stock Number 1377-00-506-1351, is classified within Federal Supply Class 1377 (No Item Name Available) of the Ammunition and Explosives group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1377-00-506-1351
Primary Part NumberB41020
Item NameCartridge,delay
FSC / FSG1377 / 13 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
MaterialALUMINUM CASE
Delay Time in Seconds1.000
Detonation Initiation MethodPERCUSSION
Cartridge Model NumberM71,MODEL NO. OF CARTRIDGE
Hazardous Material Classification Code1.4 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION
Dod Ammunition Code1377-M216
Integral Cutting PunchNOT INCLUDED
Dot Identification NumberUN0276
Color Coded FeatureNOT INCLUDED
Package Model NumberNOT ASSIGNED
Case Mounting ThreadNOT INCLUDED
Wrenching FacilityNOT INCLUDED
Case Threaded Electrical ConnectionNOT INCLUDED
Dot Registration CodeEX1988050779
Dot Proper Shipping NameCARTRIDGES, POWER DEVICE
Case Model NumberNOT ASSIGNED
RimINCLUDED
Reference Number Differentiating CharacteristicsAGUC,AGXZ,AJYJ
Delay Element MaterialBARIUM CHROMATE OR BORON
Percussion Detonation TypeCENTER FIRE
Diameter0.877 INCHES NOMINAL IN
Body Diameter0.689 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4710-00-065-5286548X071 INTERCHANGEABLE
Tube Assembly,metal
Stewart & Stevenson Power Products Llc
2590-00-078-2994 INTERCHANGEABLE
Cap,filler Opening
5930-00-243-2381 INTERCHANGEABLE
Adapter,switch Actuator
4720-00-845-878626502 INTERCHANGEABLE
Hose,preformed
Gates Corporation
3120-01-221-0731E-104,026 PART 57 INTERCHANGEABLE
Bushing,sleeve
Control Flow, Inc. Dba Control Flow Inc
4320-01-276-1222 INTERCHANGEABLE
Pumping Unit,hydraulic,power Dri
4820-01-299-04129071-02-0000-500 INTERCHANGEABLE
Valve,shuttle
Purolator Facet Inc. Div Parker Aerospace Filtration Division Dba Purolator Facet, in
Cross-Reference Index
Part NumberManufacturer
B41020 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
E00651120 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
8593162 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
M71 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
1377-M216 Department of Defense Ammunition Code Assigned and Promulgated by Characteristics and Taxomony Branch Defense Logistics (USA)
Related Parts
4710-00-065-5286INTERCHANGEABLE
TUBE ASSEMBLY,METAL
548X071
2590-00-078-2994INTERCHANGEABLE
CAP,FILLER OPENING
5930-00-243-2381INTERCHANGEABLE
ADAPTER,SWITCH ACTUATOR
4720-00-845-8786INTERCHANGEABLE
HOSE,PREFORMED
26502
3120-01-221-0731INTERCHANGEABLE
BUSHING,SLEEVE
E-104,026 PART 57
4320-01-276-1222INTERCHANGEABLE
PUMPING UNIT,HYDRAULIC,POWER DRI
4820-01-299-0412INTERCHANGEABLE
VALVE,SHUTTLE
9071-02-0000-500

Frequently Asked Questions

What is NSN 1377-00-506-1351?

NSN 1377-00-506-1351 is a Cartridge,delay, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 1377 (No Item Name Available). Status: active.

What are the part numbers for NSN 1377-00-506-1351?

NSN 1377-00-506-1351 has 5 cross-referenced part numbers: B41020 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), E00651120 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 8593162 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), M71 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), 1377-M216 (Department of Defense Ammunition Code Assigned and Promulgated by Characteristics and Taxomony Branch Defense Logistics).

What NSN replaces 1377-00-506-1351?

There are 7 known substitutes for 1377-00-506-1351: 4710-00-065-5286, 2590-00-078-2994, 5930-00-243-2381 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B41020?

Key specifications for B41020: Material: ALUMINUM CASE; Delay Time in Seconds: 1.000; Detonation Initiation Method: PERCUSSION; Cartridge Model Number: M71,MODEL NO. OF CARTRIDGE. 23 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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