NSN 3120-01-446-9876 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-446-9876. Manufacturer of record part number: 6557904-2.
Body Outside Diameter: 5.3620 INCHES MINIMUM AND 5.3640 INCHES MAXIMUM IN
Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
Body Inside Diameter: 4.7430 INCHES MINIMUM AND 4.7450 INCHES MAXIMUM IN
Material: COPPER ALLOY 630 OVERALL
1 manufacturer part number on file
Manufacturer of record: Naval Sea Systems Command
Identification
NSN: 3120-01-446-9876
NIIN: 014469876
FSC: 3120 — Bearings, Plain, Unmounted
FSG: 31 — Bearings
Primary part number: 6557904-2
Manufacturer: Naval Sea Systems Command
General Description
The Bushing,sleeve, cataloged under National Stock Number 3120-01-446-9876, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Naval Sea Systems Command. 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
3120-01-446-9876
Primary Part Number
6557904-2
Item Name
Bushing,sleeve
FSC / FSG
3120 / 31 — Bearings, Plain, Unmounted
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Corner Shape
SQUARE ALL CORNERS
Body Outside Diameter
5.3620 INCHES MINIMUM AND 5.3640 INCHES MAXIMUM IN
Style Designator
SOLID, PLAIN, NO OUTSIDE FLANGES
Body Inside Diameter
4.7430 INCHES MINIMUM AND 4.7450 INCHES MAXIMUM IN
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 3120-01-446-9876?
NSN 3120-01-446-9876 is a Bushing,sleeve, manufactured by Naval Sea Systems Command, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
What part numbers are listed for NSN 3120-01-446-9876?
NSN 3120-01-446-9876 has 1 manufacturer part number on file: 6557904-2 (Naval Sea Systems Command).
What are the specifications of 6557904-2?
Key specifications for 6557904-2: Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 5.3620 INCHES MINIMUM AND 5.3640 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Overall Length: 9.4320 INCHES MINIMUM AND 9.4370 INCHES MAXIMUM IN. 5 specifications are documented in the U.S. Government catalog.
Is NSN 3120-01-446-9876 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 3120-01-446-9876?
NSN 3120-01-446-9876 has DEMIL Code D. 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.