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M99GRADEA — CARTRIDGE,20 MILLIMETER

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

M99GRADEA: CARTRIDGE,20 MILLIMETER.

The CARTRIDGE,20 MILLIMETER is a the manufacturer industrial component. Key specifications include unable_to_decode: UNABLE TO DECODE, link_model_number: M10, projectile_model_number: M99 LOCATION NOT OTHERWISE SPECIFIED, weapon_for_which_designed: GUN, CANNON M24A1, detonation_initiation_method: ELECTRIC. This part is cataloged in the U.S.

Government catalog under NSN 1305-00-324-2553, 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
M99GRADEA
NSN: 1305-00-324-2553
FSC: 1305 — Ammunition, Through 30mm
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
unable_to_decodeUNABLE TO DECODE
link_model_numberM10
projectile_model_numberM99 LOCATION NOT OTHERWISE SPECIFIED
weapon_for_which_designedGUN, CANNON M24A1
detonation_initiation_methodELECTRIC
NSN1305-00-324-2553
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CARTRIDGE,20 MILLIMETER TITLE COMPONENT PN M99GRADEA MFR CARTRIDGE,20 MILLIMETE
KEY FEATURES
•
WEAPON FOR WHICH DESIGNED: GUN, CANNON M24A1
•
CARTRIDGE QUANTITY: 10
•
UNABLE TO DECODE: UNABLE TO DECODE
•
PROJECTILE MODEL NUMBER: M99 LOCATION NOT OTHERWISE SPECIFIED
•
CARTRIDGE MODEL NUMBER: M99 LOCATION NOT OTHERWISE SPECIFIED
•
DETONATION INITIATION METHOD: ELECTRIC
•
CARTRIDGE GROUPING TYPE: LINKED
•
LINK MODEL NUMBER: M10
TECHNICAL CHARACTERISTICS
WEAPON FOR WHICH DESIGNEDGUN, CANNON M24A1
CARTRIDGE QUANTITY10
UNABLE TO DECODEUNABLE TO DECODE
PROJECTILE MODEL NUMBERM99 LOCATION NOT OTHERWISE SPECIFIED
CARTRIDGE MODEL NUMBERM99 LOCATION NOT OTHERWISE SPECIFIED
DETONATION INITIATION METHODELECTRIC
CARTRIDGE GROUPING TYPELINKED
LINK MODEL NUMBERM10
MATERIALSTEEL CARTRIDGE CASE
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY CARTRIDGE GROUPING,CARTRIDGE QUANTITY,WEAPON FOR WHICH DESIGNED,UNIT PACKAGE QUANTITY,UNIT PACKAGE TYPE,PACKAGE MODEL NUMBER 9002AL
SUBSTITUTES & CROSS-REFERENCES 4
MILC11255Reference document
Cartridge,20 Millimeter
Reference document — Identification reference
M99Reference document
Cartridge,20 Millimeter
Reference document — Secondary reference
75-1-283E4Reference document
Cartridge,20 Millimeter
Reference document — Design control — primary reference
1305-A847Reference document
Cartridge,20 Millimeter
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required (G)
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FREQUENTLY ASKED QUESTIONS
What is M99GRADEA?
M99GRADEA is a CARTRIDGE,20 MILLIMETER.
What parts can replace M99GRADEA?
There are 4 known substitutes for M99GRADEA: MILC11255, M99, 75-1-283E4 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M99GRADEA?
M99GRADEA is cataloged in the U.S. Government catalog under NSN 1305-00-324-2553. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.