NSN 3120-01-446-5228 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-446-5228. Manufacturer of record part number: 123-4403555 PIECE 18.
Body Outside Diameter: 2.5010 INCHES MINIMUM AND 2.5030 INCHES MAXIMUM IN
Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
Body Inside Diameter: 1.9060 INCHES MINIMUM AND 1.9080 INCHES MAXIMUM IN
Material: COPPER ALLOY OVERALL
1 manufacturer part number on file
Manufacturer of record: Huntington Ingalls Inc Div Newport News Shipbuilding
Identification
NSN: 3120-01-446-5228
NIIN: 014465228
FSC: 3120 — Bearings, Plain, Unmounted
FSG: 31 — Bearings
Primary part number: 123-4403555 PIECE 18
Manufacturer: Huntington Ingalls Inc Div Newport News Shipbuilding
General Description
The Bushing,sleeve, cataloged under National Stock Number 3120-01-446-5228, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 5 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
3120-01-446-5228
Primary Part Number
123-4403555 PIECE 18
Item Name
Bushing,sleeve
FSC / FSG
3120 / 31 — Bearings, Plain, Unmounted
Manufacturer
Huntington Ingalls Inc Div Newport News Shipbuilding
Status
ACTIVE
Corner Shape
SQUARE ALL CORNERS
Body Outside Diameter
2.5010 INCHES MINIMUM AND 2.5030 INCHES MAXIMUM IN
Style Designator
SOLID, PLAIN, NO OUTSIDE FLANGES
Body Inside Diameter
1.9060 INCHES MINIMUM AND 1.9080 INCHES MAXIMUM IN
Huntington Ingalls Inc Div Newport News Shipbuilding (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 3120-01-446-5228?
NSN 3120-01-446-5228 is a Bushing,sleeve, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
What part numbers are listed for NSN 3120-01-446-5228?
NSN 3120-01-446-5228 has 1 manufacturer part number on file: 123-4403555 PIECE 18 (Huntington Ingalls Inc Div Newport News Shipbuilding).
What are the specifications of 123-4403555 PIECE 18?
Key specifications for 123-4403555 PIECE 18: Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 2.5010 INCHES MINIMUM AND 2.5030 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Overall Length: 2.0000 INCHES NOMINAL IN. 5 specifications are documented in the U.S. Government catalog.
Is NSN 3120-01-446-5228 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.