PartsTable TECHNICAL DATA SHEET
NSN 3120-01-474-9102Government record, cited

Bearing, Sleeve3120-01-474-9102

NSN 3120-01-474-9102 · NIIN 014749102 · Part number AA-1156-3
Atlas Brass Foundry Inc · FSC 3120 — Bearings, Plain, Unmounted · FSG 31 — Bearings · CAGE 70651
Government record, cited
NSN 3120-01-474-9102 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-474-9102. Manufacturer of record part number: AA-1156-3.
Also searched as  3120-01-474-9102 · 3120014749102 · NIIN 014749102 · 01-474-9102 · FSC 3120 Bearings, Plain, Unmounted · CAGE 70651 · AA-1156-3 · 124-4637387 PC 16
Nearby stock numbers  ·
Features
  • Bearing,sleeve — FSC 3120
  • Corner Shape: SQUARE ALL CORNERS
  • Body Outside Diameter: 1.1280 INCHES NOMINAL IN
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Body Inside Diameter: 1.0035 INCHES NOMINAL IN
  • Material: COPPER ALLOY OVERALL
  • 1 manufacturer part number on file
  • Manufacturer of record: Atlas Brass Foundry Inc
Identification
  • NSN: 3120-01-474-9102
  • NIIN: 014749102
  • FSC: 3120 — Bearings, Plain, Unmounted
  • FSG: 31 — Bearings
  • Primary part number: AA-1156-3
  • Manufacturer: Atlas Brass Foundry Inc
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-01-474-9102, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Atlas Brass Foundry Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-01-474-9102
Primary Part NumberAA-1156-3
Item NameBearing,sleeve
FSC / FSG3120 / 31 — Bearings, Plain, Unmounted
ManufacturerAtlas Brass Foundry Inc
StatusACTIVE
Corner ShapeSQUARE ALL CORNERS
Body Outside Diameter1.1280 INCHES NOMINAL IN
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Body Inside Diameter1.0035 INCHES NOMINAL IN
MaterialCOPPER ALLOY OVERALL
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
AA-1156-3 PRIMARY Atlas Brass Foundry Inc (USA)
Reference documents
ReferenceMeaning
124-4637387 PC 16 D/9 Drawing number reference only
Naval Sea Systems Command
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 3120-01-474-9102?

NSN 3120-01-474-9102 is a Bearing,sleeve, manufactured by Atlas Brass Foundry Inc, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.

What part numbers are listed for NSN 3120-01-474-9102?

NSN 3120-01-474-9102 has 1 manufacturer part number on file: AA-1156-3 (Atlas Brass Foundry Inc).

What are the specifications of AA-1156-3?

Key specifications for AA-1156-3: Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 1.1280 INCHES NOMINAL IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Overall Length: 1.2500 INCHES NOMINAL IN. 5 specifications are documented in the U.S. Government catalog.

Is NSN 3120-01-474-9102 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.
PartsTable Design LLC · partstable.com