Idler Assembly 2990-01-071-3780 NSN 2990-01-071-3780 · NIIN 010713780
FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories
Also searched as
2990-01-071-3780 ·
2990010713780 ·
NIIN 010713780 ·
01-071-3780 ·
FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · 4188135 · 4188135
Nearby stock numbers
← 2990-01-071-2816 Control Assembly, Push-Pull
·
2990-01-071-3818 Grille, Exhaust →
Features
Idler Assembly — FSC 2990
Identification
NSN: 2990-01-071-3780
NIIN: 010713780
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
FSG: 29 — Engine Accessories
General Description
The Idler Assembly, cataloged under National Stock Number 2990-01-071-3780, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Catalog Facts
Item Name Idler Assembly FSC / FSG 2990 — Miscellaneous Engine Accessories, Nonaircraft (FSG 29)
Technical Specifications
Parameter Value NSN 2990-01-071-3780 Item Name Idler Assembly FSC / FSG 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft 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
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference Meaning
4188135
3/2 Design control — primary reference U.S. Government activity
4188135
8/1 NATO reproduction reference Fnss Savunma Sistemleri Anonim Sirketi
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 2990-01-071-3780?
NSN 2990-01-071-3780 is a Idler Assembly, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
Is NSN 2990-01-071-3780 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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