NSN 3120-01-237-0083 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-237-0083. Manufacturer of record part number: 4066742.
Inner Member Width: 0.2790 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN
Outer Member Width: 0.2130 INCHES MINIMUM AND 0.2230 INCHES MAXIMUM IN
Bore Diameter: 0.1895 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN
Material: STEEL COMP 440C INNER MEMBER
Material: STEEL OUTER RACE MEMBER
Material: PLASTIC POLYAMIDE NYLON RACE LINER
Outer Member Outside Diameter: 0.5620 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM IN
Identification
NSN: 3120-01-237-0083
NIIN: 012370083
FSC: 3120 — Bearings, Plain, Unmounted
FSG: 31 — Bearings
Primary part number: 4066742
Manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
General Description
The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-01-237-0083, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
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 3120-01-237-0083?
NSN 3120-01-237-0083 is a Bearing,plain,self-Aligning, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
What part numbers are listed for NSN 3120-01-237-0083?
NSN 3120-01-237-0083 has 3 manufacturer part numbers on file: 4066742 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4066742 (Kamatics Corporation), 4066742 (Rtx Corporation Div Pratt & Whitney).
What are the specifications of 4066742?
Key specifications for 4066742: Inner Member Width: 0.2790 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN; Outer Member Width: 0.2130 INCHES MINIMUM AND 0.2230 INCHES MAXIMUM IN; Bore Diameter: 0.1895 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN; Material: STEEL COMP 440C INNER MEMBER. 7 specifications are documented in the U.S. Government catalog.
Is NSN 3120-01-237-0083 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.
What is the DEMIL code for NSN 3120-01-237-0083?
NSN 3120-01-237-0083 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.