The Bearing,ball,airframe, cataloged under National Stock Number 3110-00-997-4750, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Breeze-Eastern Llc. Government technical data includes 19 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-997-4750 |
| Primary Part Number | AJ-9800-10-7 |
| Item Name | Bearing,ball,airframe |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Breeze-Eastern Llc |
| Status | ACTIVE |
| Lubrication Material | GREASE |
| Outer Ring Width | 0.2500 INCHES NOMINAL IN |
| Shield Quantity | 2 |
| Style Designator | SINGLE ROW INNER RING EXTENDED BOTH SIDES |
| Material Document and Classification | 4508-180,08484 MFR REF SINGLE MATERIAL RESPONSE SHIELD |
| Material Document and Classification | FED-STD-66,AISI/SAE E51100 FED STD SINGLE MATERIAL RESPONSE BALL |
| Material Document and Classification | FED-STD-66,AISI/SAE E52100 FED STD SINGLE MATERIAL RESPONSE INNER RING |
| Material Document and Classification | FED-STD-66,AISI/SAE E52100 FED STD SINGLE MATERIAL RESPONSE OUTER RING |
| Overall Outside Diameter | 1.3125 INCHES NOMINAL IN |
| Load Direction | RADIAL |
| Surface Treatment | CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES |
| Standard Tolerance Designation | AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS |
| Bore Diameter | 0.8750 INCHES NOMINAL IN |
| Material | STEEL OUTER RING |
| Material | STEEL INNER RING |
| Material | STEEL BALL |
| Material | PLASTIC TETRAFLUOROETHYLENE SHIELD |
| Lubrication Material Document and Classification | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE |
| Inner Ring Width | 0.2810 INCHES NOMINAL 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 |
|---|---|
| AJ-9800-10-7 PRIMARY | Breeze-Eastern Llc (USA) |
| Reference | Meaning |
|---|---|
| 4508-180 | 5/9 Secondary reference Breeze-Eastern Llc |
| B540DDMILG23827 | 5/9 Secondary reference Timken Co Div the Timken Company |
| B540DDFS160 | 5/9 Secondary reference Timken Co Div the Timken Company |
NSN 3110-00-997-4750 is a Bearing,ball,airframe, manufactured by Breeze-Eastern Llc, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-997-4750 has 1 manufacturer part number on file: AJ-9800-10-7 (Breeze-Eastern Llc).
Key specifications for AJ-9800-10-7: Lubrication Material: GREASE; Outer Ring Width: 0.2500 INCHES NOMINAL IN; Shield Quantity: 2; Style Designator: SINGLE ROW INNER RING EXTENDED BOTH SIDES. 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.