The Bearing,sleeve, cataloged under National Stock Number 3120-00-554-5348, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 17 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-00-554-5348 |
| Primary Part Number | S685BL9-320 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Corner Shape | SQUARE INSIDE RIGHT CORNER |
| Corner Shape | SQUARE LEFT FLANGE BODY CORNER |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| Corner Shape | SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE INSIDE LEFT CORNER |
| Flange Outside Diameter | 0.6150 INCHES MINIMUM AND 0.6350 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.5010 INCHES MINIMUM AND 0.5030 INCHES MAXIMUM IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Material Document and Classification | MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material Document and Classification | MIL-L-11734 MIL SPEC SINGLE MATERIAL RESPONSE AND MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE AND MIL-L-15016, SYMBOL 2190 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION |
| Body Inside Diameter | 0.3710 INCHES MINIMUM AND 0.3730 INCHES MAXIMUM IN |
| Departure From Cited Designator | AS MODIFIED BY BODY OUTSIDE DIAMETER,AS MODIFIED BY BODY INSIDE DIAMETER |
| Nondefinitive Spec/std Data | 1 TYPE AND A COMPOSITION |
| Flange Width | 0.0590 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN |
| Material | COPPER ALLOY OVERALL |
| Material | OIL LUBRICATING LUBRICATION |
| 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 |
|---|---|
| S685BL9-320 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 373-503-383-404 | 5/9 Secondary reference Asco Sintering Co |
| MILB5687 | 4/1 Identification reference U.S. Government activity |
| 9018 | 5/2 Secondary reference U.S. Government activity |
NSN 3120-00-554-5348 is a Bearing,sleeve, manufactured by Northrop Grumman Systems Corporation, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-00-554-5348 has 1 manufacturer part number on file: S685BL9-320 (Northrop Grumman Systems Corporation).
Key specifications for S685BL9-320: Corner Shape: SQUARE INSIDE RIGHT CORNER; Corner Shape: SQUARE LEFT FLANGE BODY CORNER; Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE LEFT CORNER. 17 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.