PartsTable TECHNICAL DATA SHEET
NSN 3120-00-772-1981Government record, cited

Bearing, Sleeve3120-00-772-1981

NSN 3120-00-772-1981 · NIIN 007721981 · Part number 391-0604
Siemens Energy, Inc. · FSC 3120 — Bearings, Plain, Unmounted · FSG 31 — Bearings · CAGE 16712
Government record, cited
NSN 3120-00-772-1981 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-772-1981. Manufacturer of record part number: 391-0604.
Also searched as  3120-00-772-1981 · 3120007721981 · NIIN 007721981 · 00-772-1981 · FSC 3120 Bearings, Plain, Unmounted · CAGE 16712 · 391-0604 · RGR391VX4UL · H2291PC153 · H2291REVAPC153
Nearby stock numbers  ·
Features
  • Bearing,sleeve — FSC 3120
  • 4 manufacturer part numbers on file
  • Manufacturer of record: Siemens Energy, Inc.
Identification
  • NSN: 3120-00-772-1981
  • NIIN: 007721981
  • FSC: 3120 — Bearings, Plain, Unmounted
  • FSG: 31 — Bearings
  • Primary part number: 391-0604
  • Manufacturer: Siemens Energy, Inc.
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-772-1981, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Siemens Energy, Inc.. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts
Item NameBearing,sleeve
FSC / FSG3120 — Bearings, Plain, Unmounted (FSG 31)
ManufacturersSiemens Energy, Inc. (CAGE 16712)
Technical Specifications
ParameterValue
NSN3120-00-772-1981
Primary Part Number391-0604
Item NameBearing,sleeve
FSC / FSG3120 / 31 — Bearings, Plain, Unmounted
ManufacturerSiemens Energy, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
RGR391VX4UL Siemens Energy, Inc. (USA)
391-0604 PRIMARY Siemens Energy, Inc. (USA)
H2291PC153 Siemens Energy, Inc. (USA)
H2291REVAPC153 Siemens Energy, Inc. (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 3120-00-772-1981?

NSN 3120-00-772-1981 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 3120-00-772-1981?

NSN 3120-00-772-1981 has 4 manufacturer part numbers on file: RGR391VX4UL (Siemens Energy, Inc.), 391-0604 (Siemens Energy, Inc.), H2291PC153 (Siemens Energy, Inc.), H2291REVAPC153 (Siemens Energy, Inc.).

Is NSN 3120-00-772-1981 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.
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