The Bearing,sleeve, cataloged under National Stock Number 3120-01-474-3909, 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 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-474-3909 |
| Primary Part Number | 124-5563775 PC 13 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Corner Shape | CHAMFERED ALL CORNERS |
| Body Outside Diameter | 1.7530 INCHES MINIMUM AND 1.7545 INCHES MAXIMUM IN |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Material Document and Classification | SAE AMS 4860 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 1.3750 INCHES MINIMUM AND 1.3770 INCHES MAXIMUM IN |
| Lubricant Accommodation Style | GROOVED STRAIGHT AND CIRCULAR |
| Material | COPPER ALLOY OVERALL |
| Hole Diameter | 0.1250 INCHES NOMINAL FIRST IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 124-5563775 PC 13 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5563775 | D/9 Drawing number reference only Naval Sea Systems Command |
| 5563775 | 5/9 Secondary reference U.S. Government activity |
| 124-5563775 PC 13 | 5/9 Secondary reference U.S. Government activity |
NSN 3120-01-474-3909 is a Bearing,sleeve, manufactured by Naval Sea Systems Command, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-474-3909 has 1 manufacturer part number on file: 124-5563775 PC 13 (Naval Sea Systems Command).
2 possible matches (shared part number, not a government interchangeability claim): 3120-01-474-3923, 5310-01-476-3013. Verify interchangeability with system specifications before substitution.
Key specifications for 124-5563775 PC 13: Corner Shape: CHAMFERED ALL CORNERS; Body Outside Diameter: 1.7530 INCHES MINIMUM AND 1.7545 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Material Document and Classification: SAE AMS 4860 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 8 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.