The Bearing Half,sleeve, cataloged under National Stock Number 3120-00-902-6506, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Brinkley Technology Group Llc Dba Hercules Manufacturing. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3120-00-902-6506 |
| Primary Part Number | 6410887 |
| Item Name | Bearing Half,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Brinkley Technology Group Llc Dba Hercules Manufacturing |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Locking Lug Height | 0.0450 INCHES MINIMUM AND 0.0550 INCHES MAXIMUM IN |
| Body Outside Diameter | 3.5015 INCHES MINIMUM AND 3.5020 INCHES MAXIMUM IN |
| Style Designator | HALF SLEEVE, PLAIN, NO OUTSIDE FLANGES |
| Body Inside Diameter | 3.2509 INCHES MINIMUM AND 3.2524 INCHES MAXIMUM IN |
| Locking Lug Width | 0.2380 INCHES MINIMUM AND 0.2430 INCHES MAXIMUM IN |
| Surface Treatment | TIN OVERALL |
| Distance From Lug End to End of Bearing | 0.3090 INCHES MINIMUM AND 0.3170 INCHES MAXIMUM IN |
| Material | STEEL COMP 1010 OR STEEL COMP 1015 OUTER LAYER |
| Material | COPPER ALLOY INNER LAYER |
| Locking Lug Length | 0.1900 INCHES MINIMUM AND 0.2200 INCHES MAXIMUM 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 |
|---|---|
| 6410887B | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| 6410887 PRIMARY | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 6410887 | 5/9 Secondary reference Hercules Engine Co Inc |
| 6410887B | 5/9 Secondary reference Hercules Engine Co Inc |
NSN 3120-00-902-6506 is a Bearing Half,sleeve, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-00-902-6506 has 2 manufacturer part numbers on file: 6410887B (Brinkley Technology Group Llc Dba Hercules Manufacturing), 6410887 (Brinkley Technology Group Llc Dba Hercules Manufacturing).
Key specifications for 6410887: Corner Shape: SQUARE ALL CORNERS; Locking Lug Height: 0.0450 INCHES MINIMUM AND 0.0550 INCHES MAXIMUM IN; Body Outside Diameter: 3.5015 INCHES MINIMUM AND 3.5020 INCHES MAXIMUM IN; Style Designator: HALF SLEEVE, PLAIN, NO OUTSIDE FLANGES. 11 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.