The Bearing,ball,stack, cataloged under National Stock Number 3110-00-855-9236, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Kaydon Corporation Dba Kaydon Corp. Government technical data includes 12 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-855-9236 |
| Primary Part Number | 204-011-409-1 |
| Item Name | Bearing,ball,stack |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Kaydon Corporation Dba Kaydon Corp |
| Status | ACTIVE |
| Style Designator | STACK |
| Material Document and Classification | FED-STD-66 FED STD SINGLE MATERIAL RESPONSE OUTER RING |
| Material Document and Classification | FED-STD-66 FED STD SINGLE MATERIAL RESPONSE BALL |
| Material Document and Classification | FED-STD-66 FED STD SINGLE MATERIAL RESPONSE INNER RING |
| Material Document and Classification | 204-011-409-1,97499 MFR REF SINGLE MATERIAL RESPONSE RETAINER |
| Overall Outside Diameter | 5.2496 INCHES MINIMUM AND 5.2500 INCHES MAXIMUM IN |
| Stack Arrangement | 3 ANGULAR CONTACT BEARINGS,2 TANDEM MTD,1 BEARING REVERSED |
| Bore Diameter | 4.2497 INCHES MINIMUM AND 4.2500 INCHES MAXIMUM IN |
| Material | STEEL COMP E52100 BALL |
| Material | COPPER ALLOY RETAINER |
| Material | STEEL COMP E52100 OUTER RING |
| Material | STEEL COMP E52100 INNER RING |
| 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 |
|---|---|
| 204-011-409-1 PRIMARY | Kaydon Corporation Dba Kaydon Corp (USA) |
| 204-011-409-1 PRIMARY | Timken Aerospace, Inc Dba Torrington Product (USA) |
| Reference | Meaning |
|---|---|
| 204-011-409-1 | 1/2 Source control — Government-approved source U.S. Government activity |
| 204-011-409-001 | 5/2 Secondary reference U.S. Government activity |
| B-6709-C | 5/9 Secondary reference Timken Aerospace, Inc Dba Torrington Product |
| C6133-1 | 5/9 Secondary reference Kaydon Corporation Dba Kaydon Corp |
NSN 3110-00-855-9236 is a Bearing,ball,stack, manufactured by Kaydon Corporation Dba Kaydon Corp, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-855-9236 has 2 manufacturer part numbers on file: 204-011-409-1 (Kaydon Corporation Dba Kaydon Corp), 204-011-409-1 (Timken Aerospace, Inc Dba Torrington Product).
Key specifications for 204-011-409-1: Style Designator: STACK; Material Document and Classification: FED-STD-66 FED STD SINGLE MATERIAL RESPONSE OUTER RING; Material Document and Classification: FED-STD-66 FED STD SINGLE MATERIAL RESPONSE BALL; Material Document and Classification: FED-STD-66 FED STD SINGLE MATERIAL RESPONSE INNER RING. 12 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.