NSN 3120-00-072-6983 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-072-6983. Manufacturer of record part number: 395-0631.
Surface Finish: 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
Surface Finish: 32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
Corner Shape: SQUARE ALL CORNERS
Body Outside Diameter: 5.9990 INCHES MINIMUM AND 6.0000 INCHES MAXIMUM IN
Style Designator: SEGMENTED, PLAIN, NO OUTSIDE FLANGES
Body Inside Diameter: 4.0060 INCHES MINIMUM AND 4.0070 INCHES MAXIMUM IN
Antirotation/lubrication Type and Quantity: 1 HOLE
Identification
NSN: 3120-00-072-6983
NIIN: 000726983
FSC: 3120 — Bearings, Plain, Unmounted
FSG: 31 — Bearings
Primary part number: 395-0631
Manufacturer: Siemens Energy, Inc.
General Description
The Bearing,sleeve, cataloged under National Stock Number 3120-00-072-6983, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Siemens Energy, Inc.. Government technical data includes 9 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
3120-00-072-6983
Primary Part Number
395-0631
Item Name
Bearing,sleeve
FSC / FSG
3120 / 31 — Bearings, Plain, Unmounted
Manufacturer
Siemens Energy, Inc.
Status
ACTIVE
Surface Finish
63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
Surface Finish
32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
Corner Shape
SQUARE ALL CORNERS
Body Outside Diameter
5.9990 INCHES MINIMUM AND 6.0000 INCHES MAXIMUM IN
Style Designator
SEGMENTED, PLAIN, NO OUTSIDE FLANGES
Body Inside Diameter
4.0060 INCHES MINIMUM AND 4.0070 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 3120-00-072-6983?
NSN 3120-00-072-6983 is a Bearing,sleeve, manufactured by Siemens Energy, Inc., classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
What part numbers are listed for NSN 3120-00-072-6983?
NSN 3120-00-072-6983 has 2 manufacturer part numbers on file: 395-0631 (Siemens Energy, Inc.), D56536PC1T05 (Siemens Energy, Inc.).
What are the specifications of 395-0631?
Key specifications for 395-0631: Surface Finish: 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY; Surface Finish: 32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY; Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 5.9990 INCHES MINIMUM AND 6.0000 INCHES MAXIMUM IN. 9 specifications are documented in the U.S. Government catalog.
Is NSN 3120-00-072-6983 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.