NSN 3120-01-166-4550 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-166-4550. Manufacturer of record part number: B496753.
Manufacturer of record: Rolls-Royce Plc Div Defense (europe)
Identification
NSN: 3120-01-166-4550
NIIN: 011664550
FSC: 3120 — Bearings, Plain, Unmounted
FSG: 31 — Bearings
Primary part number: B496753
Manufacturer: Rolls-Royce Plc Div Defense (europe)
General Description
The Bushing,sleeve, cataloged under National Stock Number 3120-01-166-4550, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Rolls-Royce Plc Div Defense (europe). Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 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 3120-01-166-4550?
NSN 3120-01-166-4550 is a Bushing,sleeve, manufactured by Rolls-Royce Plc Div Defense (europe), classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
What part numbers are listed for NSN 3120-01-166-4550?
NSN 3120-01-166-4550 has 1 manufacturer part number on file: B496753 (Rolls-Royce Plc Div Defense (europe)).
What are the specifications of B496753?
Key specifications for B496753: Surface Finish: 125.0 MICROINCHES OVERALL; Corner Shape: SQUARE ALL CORNERS. 2 specifications are documented in the U.S. Government catalog.
Is NSN 3120-01-166-4550 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.