PartsTable TECHNICAL DATA SHEET
NSN 3120-00-421-2477Government record, cited

Bushing, Sleeve3120-00-421-2477

NSN 3120-00-421-2477 · NIIN 004212477 · Part number S6112-23044-123
Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp · FSC 3120 — Bearings, Plain, Unmounted · FSG 31 — Bearings · CAGE 78286
Government record, cited
NSN 3120-00-421-2477 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-421-2477. Manufacturer of record part number: S6112-23044-123.
Also searched as  3120-00-421-2477 · 3120004212477 · NIIN 004212477 · 00-421-2477 · FSC 3120 Bearings, Plain, Unmounted · CAGE 78286 · S6112-23044-123
Nearby stock numbers  ·
Features
  • Bushing,sleeve — FSC 3120
  • Surface Finish: 18.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
  • Corner Shape: SQUARE ALL CORNERS
  • Body Outside Diameter: 0.8350 INCHES MINIMUM AND 0.8370 INCHES MAXIMUM IN
  • Hardness Rating: 56.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Body Inside Diameter: 0.5000 INCHES MINIMUM AND 0.5050 INCHES MAXIMUM IN
  • Material: STEEL COMP 440C OVERALL
Identification
  • NSN: 3120-00-421-2477
  • NIIN: 004212477
  • FSC: 3120 — Bearings, Plain, Unmounted
  • FSG: 31 — Bearings
  • Primary part number: S6112-23044-123
  • Manufacturer: Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
General Description

The Bushing,sleeve, cataloged under National Stock Number 3120-00-421-2477, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 7 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
ParameterValue
NSN3120-00-421-2477
Primary Part NumberS6112-23044-123
Item NameBushing,sleeve
FSC / FSG3120 / 31 — Bearings, Plain, Unmounted
ManufacturerSikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
StatusACTIVE
Surface Finish18.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
Corner ShapeSQUARE ALL CORNERS
Body Outside Diameter0.8350 INCHES MINIMUM AND 0.8370 INCHES MAXIMUM IN
Hardness Rating56.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Body Inside Diameter0.5000 INCHES MINIMUM AND 0.5050 INCHES MAXIMUM IN
MaterialSTEEL COMP 440C 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
S6112-23044-123 PRIMARY Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (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 3120-00-421-2477?

NSN 3120-00-421-2477 is a Bushing,sleeve, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.

What part numbers are listed for NSN 3120-00-421-2477?

NSN 3120-00-421-2477 has 1 manufacturer part number on file: S6112-23044-123 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).

What are the specifications of S6112-23044-123?

Key specifications for S6112-23044-123: Surface Finish: 18.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY; Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 0.8350 INCHES MINIMUM AND 0.8370 INCHES MAXIMUM IN; Hardness Rating: 56.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL. 7 specifications are documented in the U.S. Government catalog.

Is NSN 3120-00-421-2477 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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