fittings › boss nipples
MS21902D10
Military Standard Boss Nipple
Description
tube outside 5/8", union, flareless tube, aluminum alloy 2024, MS21902 series fitting
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
Interchangeable
Parts that share a National Stock Number or are listed as an alternate for MS21902D10 — functionally equivalent.
- MS21902W10 Listed alternate 7/8 in · Aluminum
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Catalog data updated 2026-07-05. Report a data error