NSN 2990-00-496-6570 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-496-6570. Manufacturer of record part number: A27-870.
The Shaft Assembly, cataloged under National Stock Number 2990-00-496-6570, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Dresser Industries Inc Leroi Div. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
NSN 2990-00-496-6570 is a Shaft Assembly, manufactured by Dresser Industries Inc Leroi Div, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
What part numbers are listed for NSN 2990-00-496-6570?
NSN 2990-00-496-6570 has 2 manufacturer part numbers on file: 27-870 (Dresser Industries Inc Leroi Div), A27-870 (Dresser Industries Inc Leroi Div).
What NSN replaces 2990-00-496-6570?
4 possible matches (shared part number, not a government interchangeability claim): 7050-00-978-7760, 6685-01-176-6869, 5331-01-271-8300. Verify interchangeability with system specifications before substitution.
Is NSN 2990-00-496-6570 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.