Military Standard

Military Standard MS28778-18 O-Ring - 866/Pack

Manufacturer part number MS28778-18 · O-rings

MPN: MS28778-18
Category: O-rings
Pack: SGP137155-X866 · 866/Pack

MS28778-18 is listed in the PartsPerk catalog for sourcing requests. Seller SKU SGP137155-X866. Manufacturer: Military Standard. Military Standard MS28778-18 O-Ring - 866/Pack. This page does not claim stock, price, or approved interchange.

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Stock, price, and certification gaps can be filed through the Aviation Evidence Network — this link opens identity review; it does not invent availability or certificates.

Source record (as observed)

Verbatim ingest text — kept for provenance, not rewritten. The structured specifications below break the same facts into individually labeled fields.

Approvals and Conformities Product Attributes Country of Origin United States Shipping Weight 2.598 pounds ECCN 9A991.d Color Family Black Manufacturer P/N MS28778-18 Schedule B Code 4016.93.0000 Pack Quantity 866 Series MS28778 Color Black Material

Specifications & observed attributes

Structured fields from the owned catalog observation. Source assertions are not live certificates, stock, or prices.

Manufacturer P/N (source assertion only): MS28778-18
Country of Origin: United States
Material: Rubber
Series: MS28778
Color: Black
ECCN (source assertion only): 9A991.d
Schedule B (source assertion only): 4016.93.0000

Identifiers

PN MS28778-18
SKU SGP137155-X866
LEGACY_SELLER_SKU SGP137155-X866
MANUFACTURER_PART_NUMBER MS28778-18

More in O-rings

Published rows filed under the same observed category. Shared category is a filing grouping only — it is not an interchange, supersession, or fit claim.

Sourcing context

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PartsPerk catalog pages show PartsPerk-owned observations only. They are not live stock, not certification, and not OEM affiliation. Exact PN/NSN identity is for sourcing review; publication and sellability require separate approval.