The Bearing,ball,annular, cataloged under National Stock Number 3110-00-280-3334, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Industrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 3110-00-280-3334 |
| Primary Part Number | 901795-1C |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Industrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Bearing Seal Type | CONTACT |
| Surface Finish | GROUND |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE BALL |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OUTER RING |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE INNER RING |
| Material Document and Classification | MIL-R-25988 MIL SPEC SINGLE MATERIAL RESPONSE SEAL |
| Overall Outside Diameter | 11.7500 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT |
| Contact Angle | 30.0 DEGREES NOMINAL |
| Load Direction | ANGULAR |
| Internal Fit-Up Contact Angular Direction | OUTWARD CONVERGENT |
| Seal Quantity | 1 |
| Standard Tolerance Designation | ABEC NO.5 |
| Bore Diameter | 11.0000 INCHES NOMINAL IN |
| Material | STEEL COMP 440C INNER RING |
| Material | STEEL COMP 440C OUTER RING |
| Material | PLASTIC PHENOLIC RETAINER |
| Material | STEEL COMP 440C BALL |
| Material | RUBBER FLUOROSILICONE CLASS FQ SEAL |
| 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 |
|---|---|
| 901795-1C PRIMARY | Industrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings (USA) |
| 901795-1C PRIMARY | Kaydon Corporation Dba Kaydon Corp (USA) |
| 901795-1C PRIMARY | Mpb Corp Div Timken Super Precision (USA) |
| Reference | Meaning |
|---|---|
| 3TARZ176-188-2 | 5/1 Secondary reference Mpb Corp Div Timken Super Precision |
| 1602M23P10 | 5/9 Secondary reference Industrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings |
| 10844001 | 5/1 Secondary reference Kaydon Corporation Dba Kaydon Corp |
| 901795 | 5/9 Secondary reference U.S. Government activity |
| AVYS176WOP3C1CRVA1861 | 5/9 Secondary reference Timken Co Div the Timken Company |
| AVYS176WOP3CRUDBA1861 | 5/9 Secondary reference Timken Co Div the Timken Company |
| 901795-1C | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 3110-00-280-3334 is a Bearing,ball,annular, manufactured by Industrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-280-3334 has 3 manufacturer part numbers on file: 901795-1C (Industrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings), 901795-1C (Kaydon Corporation Dba Kaydon Corp), 901795-1C (Mpb Corp Div Timken Super Precision).
3 possible matches (shared part number, not a government interchangeability claim): 3120-01-356-9490, 5995-01-480-3727, 6530-01-591-8665. Verify interchangeability with system specifications before substitution.
Key specifications for 901795-1C: Retainer Fabrication Method: MACHINED; Bearing Seal Type: CONTACT; Surface Finish: GROUND; Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE BALL. 20 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.