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MC3421 — BASE,SIGHT FRONT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

MC3421: BASE,SIGHT FRONT.

The BASE,SIGHT FRONT is a the manufacturer industrial component. Key specifications include end_item_identification: MACHINE GUN, 7.62MM (M60E2) MM, general_characteristics_item_description: STEEL ASTM A322 OR A331,0.537 IN W IN. This part is cataloged in the U.S.

Government catalog under NSN 1005-01-185-0723, 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
MC3421
NSN: 1005-01-185-0723
FSC: 1005 — Guns, Through 30mm
CAGE: 26978 — GENERAL DYNAMICS - OTS, INC. (USA)
SPECIFICATIONS
end_item_identificationMACHINE GUN, 7.62MM (M60E2) MM
general_characteristics_item_descriptionSTEEL ASTM A322 OR A331,0.537 IN W IN
NSN1005-01-185-0723
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BASE,SIGHT FRONT TITLE COMPONENT PN MC3421 MFR BASE,SIGHT FRONT
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL ASTM A322 OR A331,0.537 IN W IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL ASTM A322 OR A331,0.537 IN W IN
END ITEM IDENTIFICATIONMACHINE GUN, 7.62MM (M60E2) MM
OTHER ITEMS IN FSC 1005 — Guns, Through 30mm
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1005-00-000-0061 1005-00-001-2676 1005-00-001-5589 1005-00-002-0996 1005-00-003-1073 1005-00-003-2251 1005-00-003-2267 1005-00-003-2268
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation + specific procedure
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FREQUENTLY ASKED QUESTIONS
What is MC3421?
MC3421 is a BASE,SIGHT FRONT.
What is the NSN for MC3421?
MC3421 is cataloged in the U.S. Government catalog under NSN 1005-01-185-0723. 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.