NSN 3120-01-321-6711 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-321-6711. Manufacturer of record part number: 5544162-3.
Body Outside Diameter: 0.6255 INCHES MINIMUM AND 0.6265 INCHES MAXIMUM IN
Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
Material Document and Classification: MIL-B-5687 MIL SPEC ALL MATERIAL RESPONSES OVERALL
Body Inside Diameter: 0.4395 INCHES MINIMUM AND 0.4405 INCHES MAXIMUM IN
Material: OIL LUBRICATING LUBRICATION
Material: COPPER ALLOY 841 OR IRON ALLOY OVERALL
Identification
NSN: 3120-01-321-6711
NIIN: 013216711
FSC: 3120 — Bearings, Plain, Unmounted
FSG: 31 — Bearings
Primary part number: 5544162-3
Manufacturer: Naval Sea Systems Command
General Description
The Bearing,sleeve, cataloged under National Stock Number 3120-01-321-6711, 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 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3120-01-321-6711
Primary Part Number
5544162-3
Item Name
Bearing,sleeve
FSC / FSG
3120 / 31 — Bearings, Plain, Unmounted
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Corner Shape
SQUARE ALL CORNERS
Body Outside Diameter
0.6255 INCHES MINIMUM AND 0.6265 INCHES MAXIMUM IN
Style Designator
SOLID, PLAIN, NO OUTSIDE FLANGES
Material Document and Classification
MIL-B-5687 MIL SPEC ALL MATERIAL RESPONSES OVERALL
Body Inside Diameter
0.4395 INCHES MINIMUM AND 0.4405 INCHES MAXIMUM IN
General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (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 3120-01-321-6711?
NSN 3120-01-321-6711 is a Bearing,sleeve, manufactured by Naval Sea Systems Command, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
What part numbers are listed for NSN 3120-01-321-6711?
NSN 3120-01-321-6711 has 2 manufacturer part numbers on file: 5544162-3 (Naval Sea Systems Command), 5544162-3 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems).
What are the specifications of 5544162-3?
Key specifications for 5544162-3: Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 0.6255 INCHES MINIMUM AND 0.6265 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Material Document and Classification: MIL-B-5687 MIL SPEC ALL MATERIAL RESPONSES OVERALL. 7 specifications are documented in the U.S. Government catalog.
Is NSN 3120-01-321-6711 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.