NSN 2990-01-450-0743 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-450-0743. Manufacturer of record part number: 6659929-002.
The Shell.motor Encluos, cataloged under National Stock Number 2990-01-450-0743, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Other items in FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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Frequently Asked Questions
What is NSN 2990-01-450-0743?
NSN 2990-01-450-0743 is a Shell.motor Encluos, manufactured by Naval Sea Systems Command, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
What part numbers are listed for NSN 2990-01-450-0743?
NSN 2990-01-450-0743 has 1 manufacturer part number on file: 6659929-002 (Naval Sea Systems Command).
What are the specifications of 6659929-002?
Key specifications for 6659929-002: Overall Length: 9.810 INCHES NOMINAL IN; Overall Width: 8.000 INCHES NOMINAL IN; Special Features: SHELL,MOTOR ENCLOSURE OK-520 WINCH; Surface Treatment: ANODIZE. 2 specifications are documented in the U.S. Government catalog.
Is NSN 2990-01-450-0743 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.