PartsTable TECHNICAL DATA SHEET

NSN 2990-01-180-0566Government record, cited

Piston, Manual Overs2990-01-180-0566

NSN 2990-01-180-0566 · NIIN 011800566 · Part number CADH3191A

Fairbanks Morse, Llc · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 7PZX0

Government record, cited

NSN 2990-01-180-0566 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-180-0566. Manufacturer of record part number: CADH3191A.

Also searched as 2990-01-180-0566 · 2990011800566 · NIIN 011800566 · 01-180-0566 · FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE 7PZX0 · CADH3191A · ADH3191A · ADH3191A

Nearby stock numbers ← 2990-01-179-9895 · 2990-01-180-0606 Support Assembly, Exhaust →

Features

Piston,manual Overs — FSC 2990
1 manufacturer part number on file
Manufacturer of record: Fairbanks Morse, Llc

Identification

NSN: 2990-01-180-0566
NIIN: 011800566
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: CADH3191A
Manufacturer: Fairbanks Morse, Llc

General Description

The Piston,manual Overs, cataloged under National Stock Number 2990-01-180-0566, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Fairbanks Morse, Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Piston,manual Overs
FSC / FSG	2990 — Miscellaneous Engine Accessories, Nonaircraft (FSG 29)
Manufacturers	Fairbanks Morse, Llc (CAGE 7PZX0)

Technical Specifications

Parameter	Value
NSN	2990-01-180-0566
Primary Part Number	CADH3191A
Item Name	Piston,manual Overs
FSC / FSG	2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft
Manufacturer	Fairbanks Morse, Llc
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
CADH3191A PRIMARY	Fairbanks Morse, Llc (USA)

Reference documents

Reference	Meaning
ADH3191A	5/9 Secondary reference U.S. Government activity
CADH3191A	3/9 Design control — primary reference U.S. Government activity
CADH3191A	5/9 Secondary reference Colt Industries Inc Power Systems Div
ADH3191A	5/9 Secondary reference Fairbanks Morse, Llc

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 2990-01-180-0566?

NSN 2990-01-180-0566 is a Piston,manual Overs, manufactured by Fairbanks Morse, Llc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.

What part numbers are listed for NSN 2990-01-180-0566?

NSN 2990-01-180-0566 has 1 manufacturer part number on file: CADH3191A (Fairbanks Morse, Llc).

Is NSN 2990-01-180-0566 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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