The Bushing,sleeve, cataloged under National Stock Number 3120-01-461-6311, 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 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-461-6311 |
| Primary Part Number | 5749957-177 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Body Outside Diameter | 0.6006 INCHES MINIMUM AND 0.6009 INCHES MAXIMUM IN |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Material Document and Classification | AMS 5643, 17-4 PH, COND H1150 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Body Inside Diameter | 0.3830 INCHES MINIMUM AND 0.3900 INCHES MAXIMUM IN |
| Material | STEEL COMP 630 OVERALL |
| 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 |
|---|---|
| 5749957-177 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 246-5749957 FIND NO. 137 | 5/9 Secondary reference Naval Sea Systems Command |
| 5749957-177 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3120-01-461-6311 is a Bushing,sleeve, manufactured by Naval Sea Systems Command, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-461-6311 has 1 manufacturer part number on file: 5749957-177 (Naval Sea Systems Command).
Key specifications for 5749957-177: Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 0.6006 INCHES MINIMUM AND 0.6009 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Material Document and Classification: AMS 5643, 17-4 PH, COND H1150 ASSN STD ALL MATERIAL RESPONSES OVERALL. 6 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.