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Technical Data Sheet
MIL-R-20520 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The CARTRIDGE,75 MILLIMETER is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY CARTRIDGE CASE, fuze_type: BASE DETONATING, gross_weight: 62.6 SHIPPING CONTAINER POUNDS AND 1588.0 PALLET POUNDS, fuze_delay_time: 0.010 SECONDS NOMINAL, muzzle_velocity: 2030.0 FEET PER SECOND NOMINAL FT, unable_to_decode: UNABLE TO DECODE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 1315-00-028-4622, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MIL-R-20520
NSN: 1315-00-028-4622
FSC: 1315
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialCOPPER ALLOY CARTRIDGE CASE
fuze_typeBASE DETONATING
gross_weight62.6 SHIPPING CONTAINER POUNDS AND 1588.0 PALLET POUNDS
fuze_delay_time0.010 SECONDS NOMINAL
muzzle_velocity2030.0 FEET PER SECOND NOMINAL FT
unable_to_decodeUNABLE TO DECODE
fuze_model_numberM66A1
dod_ammunition_code1315-C075
supplementary_chargeNOT INCLUDED
cartridge_design_typeARMOR PIERCING CAPPED-TRACER
cartridge_model_numberM61A1
weapon_for_which_designedGUN M3 OR GUN M6
NSN1315-00-028-4622
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CARTRIDGE,75 MILLIMETER TITLE COMPONENT PN MIL-R-20520 MFR CARTRIDGE,75 MILLIMETE
KEY FEATURES
PROPELLANT CHARACTERISTIC MARKINGS: NOT REQUIRED
FUZE DELAY TIME: 0.010 SECONDS NOMINAL
WEAPON FOR WHICH DESIGNED: GUN M3 SHIPPING CONTAINER
CARTRIDGE MODEL NUMBER: M61
CARTRIDGE DESIGN TYPE: ARMOR PIERCING CAPPED-TRACER
FUZE TYPE: BASE DETONATING
SUPPLEMENTARY CHARGE: NOT INCLUDED
TECHNICAL CHARACTERISTICS (FLIS)
PROPELLANT CHARACTERISTIC MARKINGSNOT REQUIRED
FUZE DELAY TIME0.010 SECONDS NOMINAL
WEAPON FOR WHICH DESIGNEDGUN M3 SHIPPING CONTAINER
CARTRIDGE MODEL NUMBERM61
CARTRIDGE DESIGN TYPEARMOR PIERCING CAPPED-TRACER
WEAPON FOR WHICH DESIGNEDGUN M6 AIR FORCE PALLET
FUZE TYPEBASE DETONATING
SUPPLEMENTARY CHARGENOT INCLUDED
FUZE MODEL NUMBERM66A1
DOD AMMUNITION CODE1315-C075
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
1315-C075Interchangeable
Cartridge,75 Millimeter
interchangeable
MIL-R-20520Interchangeable
Cartridge,75 Millimeter
interchangeable
75-1-103-5Interchangeable
Cartridge,75 Millimeter
interchangeable
41120Interchangeable
Intel | CPU Intel Xeon Silver 4112 2.60GHz 4C 8.25M 85W LGA3647 L3 (Alt: 6YC56)
interchangeable
10020Interchangeable
interchangeable cross-reference
interchangeable
42-10154Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-R-20520?
MIL-R-20520 is a CARTRIDGE,75 MILLIMETER.
What parts can replace MIL-R-20520?
There are 16 known substitutes for MIL-R-20520: 1315-C075, MIL-R-20520, 75-1-103-5 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-R-20520?
MIL-R-20520 is cataloged in the Federal Logistics Information System (FLIS) under NSN 1315-00-028-4622. This indicates validated use in U.S. government and defense supply chains.
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