The Bearing,ball,annular, cataloged under National Stock Number 3110-00-343-4477, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 19 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 3110-00-343-4477 |
| Primary Part Number | 11646897 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Bearing Seal Type | CONTACT |
| Lubrication Material | GREASE |
| Internal Clearance | 0.0005 INCHES MINIMUM RADIAL AND 0.0011 INCHES MAXIMUM RADIAL IN |
| Internal Fit-Up Designation | EXTRA LOOSE |
| Surface Finish | GROUND |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Overall Outside Diameter | 62.00 MILLIMETERS NOMINAL MM |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Seal Quantity | 2 |
| Standard Tolerance Designation | ABEC NO.1 |
| Bore Diameter | 25.00 MILLIMETERS NOMINAL MM |
| Material | STEEL OUTER RING |
| Material | STEEL INNER RING |
| Material | STEEL RETAINER |
| Material | STEEL BALL |
| Material | RUBBER FLUOROCARBON CLASS FPM SEAL |
| Lubrication Material Document and Classification | MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE |
| 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 |
|---|---|
| 11646897 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 6305-2RSC4 | Skf Usa Inc. (USA) |
| 71124 PRIMARY | Prestolite Electric Inc (USA) |
| Reference | Meaning |
|---|---|
| 11646897 | 5/9 Secondary reference Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| 74816 | 5/9 Secondary reference Prestolite Electric Inc |
| 3110003434477 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 71124 | 5/9 Secondary reference Prestolite Electric Inc |
| 3110003434477 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| A0790-71124 | 5/9 Secondary reference Prestolite Electric Inc |
NSN 3110-00-343-4477 is a Bearing,ball,annular, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-343-4477 has 3 manufacturer part numbers on file: 11646897 (U S Army Tank Automotive Command Amsta-Im-Mm), 6305-2RSC4 (Skf Usa Inc.), 71124 (Prestolite Electric Inc).
5 possible matches (shared part number, not a government interchangeability claim): 4730-00-455-9225, 3120-00-554-6517, 3020-01-339-8387. Verify interchangeability with system specifications before substitution.
Key specifications for 11646897: Retainer Fabrication Method: PRESSED; Bearing Seal Type: CONTACT; Lubrication Material: GREASE; Internal Clearance: 0.0005 INCHES MINIMUM RADIAL AND 0.0011 INCHES MAXIMUM RADIAL IN. 19 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.