The Bearing,ball,annular, cataloged under National Stock Number 3110-01-304-9188, 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 25 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-304-9188 |
| Primary Part Number | 51713001 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Kaydon Corporation Dba Kaydon Corp |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Bearing Seal Type | CONTACT |
| Lubrication Material | GREASE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BALL |
| Surface Finish | GROUND |
| Style Designator | 4 POINT BALL CONTACT, SOLID INNER AND OUTER RINGS, NON-SEPARABLE |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE BALL |
| 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 INNER RING |
| Material Document and Classification | QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE RETAINER |
| Material Document and Classification | MIL-R-83248/1 MIL SPEC SINGLE MATERIAL RESPONSE SEAL |
| Overall Outside Diameter | 7.2496 INCHES MINIMUM AND 7.2503 INCHES MAXIMUM IN |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Surface Treatment | CHROMIUM OUTER RING |
| Surface Treatment | PASSIVATE BALL |
| Surface Treatment | CHROMIUM INNER RING |
| Seal Quantity | 2 |
| Bore Diameter | 6.4991 INCHES MINIMUM AND 6.4998 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 260 RETAINER |
| Material | STEEL COMP E52100 OUTER RING |
| Material | STEEL COMP 440C BALL |
| Material | STEEL COMP E52100 INNER RING |
| Material | RUBBER FLUOROCARBON CLASS FPM SEAL |
| Lubrication Material Document and Classification | MIL-G-23827 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 |
|---|---|
| 51713001 PRIMARY | Kaydon Corporation Dba Kaydon Corp (USA) |
| Reference | Meaning |
|---|---|
| 51713001 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 881448-1 | 5/9 Secondary reference Drs Sustainment Systems, Inc. |
| 51713001 | 7/9 Vendor item drawing reference Drs Sustainment Systems, Inc. |
NSN 3110-01-304-9188 is a Bearing,ball,annular, manufactured by Kaydon Corporation Dba Kaydon Corp, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-304-9188 has 1 manufacturer part number on file: 51713001 (Kaydon Corporation Dba Kaydon Corp).
1 possible match (shared part number, not a government interchangeability claim): 5915-01-398-8181. Verify interchangeability with system specifications before substitution.
Key specifications for 51713001: Retainer Fabrication Method: PRESSED; Bearing Seal Type: CONTACT; Lubrication Material: GREASE; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BALL. 25 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.