NSN 5365-01-166-4553 · NIIN 011664553 · Part number B493853
Rolls-Royce Plc Div Defense (europe) · FSC 5365 — Bushings, Rings, Shims, and Spacers · FSG 53 — Hardware and Abrasives · CAGE K0378
Government record, cited
NSN 5365-01-166-4553 — this item is cataloged by the U.S. Government under National Stock Number 5365-01-166-4553. Manufacturer of record part number: B493853.
Also searched as5365-01-166-4553 ·
5365011664553 ·
NIIN 011664553 ·
01-166-4553 ·
FSC 5365 Bushings, Rings, Shims, and Spacers · CAGE K0378 · B493853
Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
Body Inside Diameter: 0.2520 INCHES MINIMUM AND 0.2600 INCHES MAXIMUM IN
1 manufacturer part number on file
Manufacturer of record: Rolls-Royce Plc Div Defense (europe)
Identification
NSN: 5365-01-166-4553
NIIN: 011664553
FSC: 5365 — Bushings, Rings, Shims, and Spacers
FSG: 53 — Hardware and Abrasives
Primary part number: B493853
Manufacturer: Rolls-Royce Plc Div Defense (europe)
General Description
The Spacer,sleeve, cataloged under National Stock Number 5365-01-166-4553, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Rolls-Royce Plc Div Defense (europe). Government technical data includes 4 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5365-01-166-4553
Primary Part Number
B493853
Item Name
Spacer,sleeve
FSC / FSG
5365 / 53 — Bushings, Rings, Shims, and Spacers
Manufacturer
Rolls-Royce Plc Div Defense (europe)
Status
ACTIVE
Corner Shape
SQUARE ALL CORNERS
Body Outside Diameter
0.6250 INCHES NOMINAL IN
Style Designator
SOLID, PLAIN, NO OUTSIDE FLANGES
Body Inside Diameter
0.2520 INCHES MINIMUM AND 0.2600 INCHES MAXIMUM IN
Other items in FSC 5365 — Bushings, Rings, Shims, and Spacers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5365-00-000-6078
5365-00-000-6078 · Item name not on file
5365-00-000-7436
5365-00-000-7436 · Item name not on file
5365-00-001-1292
PLUG,MACHINE THREAD
5365-00-001-1365
5365-00-001-1365 · Item name not on file
5365-00-001-1841
RING,TORQUE,TUBE,INBOARD,RUDDER
5365-00-001-1915
5365-00-001-1915 · Item name not on file
5365-00-001-1916
5365-00-001-1916 · Item name not on file
5365-00-001-1940
5365-00-001-1940 · Item name not on file
Frequently Asked Questions
What is NSN 5365-01-166-4553?
NSN 5365-01-166-4553 is a Spacer,sleeve, manufactured by Rolls-Royce Plc Div Defense (europe), classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
What part numbers are listed for NSN 5365-01-166-4553?
NSN 5365-01-166-4553 has 1 manufacturer part number on file: B493853 (Rolls-Royce Plc Div Defense (europe)).
What are the specifications of B493853?
Key specifications for B493853: Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 0.6250 INCHES NOMINAL IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Overall Length: 0.1750 INCHES MINIMUM AND 0.1850 INCHES MAXIMUM IN. 4 specifications are documented in the U.S. Government catalog.
Is NSN 5365-01-166-4553 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.