NSN 3120-01-520-9797 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-520-9797. Manufacturer of record part number: 4D99646G01.
Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
Body Inside Diameter: 8.0030 INCHES NOMINAL IN
Material: ALUMINUM ALLOY AND COPPER ALLOY AND NICKEL ALLOY OVERALL
2 manufacturer part numbers on file
Manufacturer of record: Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd
Identification
NSN: 3120-01-520-9797
NIIN: 015209797
FSC: 3120 — Bearings, Plain, Unmounted
FSG: 31 — Bearings
Primary part number: 4D99646G01
Manufacturer: Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd
General Description
The Bearing,sleeve, cataloged under National Stock Number 3120-01-520-9797, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3120-01-520-9797
Primary Part Number
4D99646G01
Item Name
Bearing,sleeve
FSC / FSG
3120 / 31 — Bearings, Plain, Unmounted
Manufacturer
Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd
Status
ACTIVE
Body Outside Diameter
12.7560 INCHES NOMINAL IN
Style Designator
SOLID, PLAIN, NO OUTSIDE FLANGES
Body Inside Diameter
8.0030 INCHES NOMINAL IN
Material
ALUMINUM ALLOY AND COPPER ALLOY AND NICKEL ALLOY OVERALL
Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd (USA)
No interchangeability data on file.
Other items in FSC 3120 — Bearings, Plain, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3120-00-001-1288
3120-00-001-1288 · Item name not on file
3120-00-001-1835
3120-00-001-1835 · Item name not on file
3120-00-001-1838
3120-00-001-1838 · Item name not on file
3120-00-001-1928
3120-00-001-1928 · Item name not on file
3120-00-001-1934
3120-00-001-1934 · Item name not on file
3120-00-001-3933
3120-00-001-3933 · Item name not on file
3120-00-001-3937
3120-00-001-3937 · Item name not on file
3120-00-001-3938
3120-00-001-3938 · Item name not on file
Frequently Asked Questions
What is NSN 3120-01-520-9797?
NSN 3120-01-520-9797 is a Bearing,sleeve, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
What part numbers are listed for NSN 3120-01-520-9797?
NSN 3120-01-520-9797 has 2 manufacturer part numbers on file: 4D99646G01 (Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd), 4D99642 ITEM 36 (Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd).
What are the specifications of 4D99646G01?
Key specifications for 4D99646G01: Body Outside Diameter: 12.7560 INCHES NOMINAL IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Overall Length: 5.0000 INCHES NOMINAL IN; Body Inside Diameter: 8.0030 INCHES NOMINAL IN. 4 specifications are documented in the U.S. Government catalog.
Is NSN 3120-01-520-9797 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.