NSN 3120-01-320-5949 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-320-5949. Manufacturer of record part number: 5549113.
Flange Outside Diameter: 0.3700 INCHES MINIMUM AND 0.3800 INCHES MAXIMUM IN
Body Outside Diameter: 0.3110 INCHES MINIMUM AND 0.3130 INCHES MAXIMUM IN
Body Inside Diameter: 0.2180 INCHES MINIMUM AND 0.2240 INCHES MAXIMUM IN
Flange Width: 0.0260 INCHES MINIMUM AND 0.0360 INCHES MAXIMUM IN
Material: ALUMINUM ALLOY 6061 OVERALL
1 manufacturer part number on file
Manufacturer of record: Naval Sea Systems Command
Identification
NSN: 3120-01-320-5949
NIIN: 013205949
FSC: 3120 — Bearings, Plain, Unmounted
FSG: 31 — Bearings
Primary part number: 5549113
Manufacturer: Naval Sea Systems Command
General Description
The Bushing,sleeve, cataloged under National Stock Number 3120-01-320-5949, 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
3120-01-320-5949
Primary Part Number
5549113
Item Name
Bushing,sleeve
FSC / FSG
3120 / 31 — Bearings, Plain, Unmounted
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Flange Outside Diameter
0.3700 INCHES MINIMUM AND 0.3800 INCHES MAXIMUM IN
Body Outside Diameter
0.3110 INCHES MINIMUM AND 0.3130 INCHES MAXIMUM IN
Body Inside Diameter
0.2180 INCHES MINIMUM AND 0.2240 INCHES MAXIMUM IN
Flange Width
0.0260 INCHES MINIMUM AND 0.0360 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 3120-01-320-5949?
NSN 3120-01-320-5949 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 3120-01-320-5949?
NSN 3120-01-320-5949 has 1 manufacturer part number on file: 5549113 (Naval Sea Systems Command).
What are the specifications of 5549113?
Key specifications for 5549113: Flange Outside Diameter: 0.3700 INCHES MINIMUM AND 0.3800 INCHES MAXIMUM IN; Body Outside Diameter: 0.3110 INCHES MINIMUM AND 0.3130 INCHES MAXIMUM IN; Overall Length: 0.1820 INCHES MINIMUM AND 0.1920 INCHES MAXIMUM IN; Body Inside Diameter: 0.2180 INCHES MINIMUM AND 0.2240 INCHES MAXIMUM IN. 5 specifications are documented in the U.S. Government catalog.
Is NSN 3120-01-320-5949 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.