Oil Pump Assembly, Engine 2990-01-644-0863 NSN 2990-01-644-0863 · NIIN 016440863 · Part number 1017584B
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 61208
NSN 2990-01-644-0863 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-644-0863. Manufacturer of record part number: 1017584B .
Also searched as
2990-01-644-0863 ·
2990016440863 ·
NIIN 016440863 ·
01-644-0863 ·
FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE 61208 · 1017584B
Nearby stock numbers
← 2990-01-644-0690 Guard, Muffler-Exhaust Pipe, Nonai
·
2990-01-644-2186 Vacuum Motor, Air Cleaner, Emissio →
Features
Oil Pump Assembly,engine — FSC 2990 1 manufacturer part number on file Manufacturer of record: Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
Identification
NSN: 2990-01-644-0863
NIIN: 016440863
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: 1017584B
Manufacturer: Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
General Description
The Oil Pump Assembly,engine, cataloged under National Stock Number 2990-01-644-0863, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Catalog Facts
Item Name Oil Pump Assembly,engine FSC / FSG 2990 — Miscellaneous Engine Accessories, Nonaircraft (FSG 29) Manufacturers Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (CAGE 61208)
Technical Specifications
Parameter Value NSN 2990-01-644-0863 Primary Part Number 1017584B Item Name Oil Pump Assembly,engine FSC / FSG 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft Manufacturer Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic Status ACTIVE
Lifecycle & Compliance
Acquisition Status ACTIVE DEMIL Code DEMIL A — No Demilitarization Required Hazard No hazard code in the DLA record (HMIC N)
Cross-Reference Index
Part Number Manufacturer
1017584B PRIMARY Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
No interchangeability data on file.
Other items in FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2990-00-001-0001
BLOWER ASSEMBLY
2990-00-001-1248
2990-00-001-1248 · Item name not on file
2990-00-001-1250
2990-00-001-1250 · Item name not on file
2990-00-001-2055
2990-00-001-2055 · Item name not on file
2990-00-001-3498
2990-00-001-3498 · Item name not on file
2990-00-001-3520
2990-00-001-3520 · Item name not on file
2990-00-001-3521
2990-00-001-3521 · Item name not on file
2990-00-001-3522
CAP ASSEMBLY,MUFFLE
Frequently Asked Questions
What is NSN 2990-01-644-0863?
NSN 2990-01-644-0863 is a Oil Pump Assembly,engine, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
What part numbers are listed for NSN 2990-01-644-0863?
NSN 2990-01-644-0863 has 1 manufacturer part number on file: 1017584B (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic).
Is NSN 2990-01-644-0863 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.
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