The Bearing,ball,airframe, cataloged under National Stock Number 3110-01-666-3720, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is New Hampshire Ball Bearings Inc Div Precision Division. Government technical data includes 16 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-666-3720 |
| Primary Part Number | MKP16B |
| Item Name | Bearing,ball,airframe |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | New Hampshire Ball Bearings Inc Div Precision Division |
| Status | ACTIVE |
| Bearing Seal Type | CONTACT |
| Lubrication Material | GREASE |
| Outer Ring Width | 0.375 INCHES NOMINAL IN |
| Style Designator | SINGLE ROW INNER RING EXTENDED BOTH SIDES |
| Overall Outside Diameter | 1.749 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN |
| Specification/standard Data | 81343-MS27642-16G STANDARD PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD G |
| Load Direction | RADIAL |
| Surface Treatment | CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES |
| Seal Quantity | 2 |
| Bore Diameter | 1.000 INCHES NOMINAL IN |
| Material | STEEL OUTER RING |
| Material | STEEL INNER RING |
| Material | RUBBER SYNTHETIC SEAL |
| Material | STEEL BALL |
| Lubrication Material Document and Classification | MIL-G-23827 MIL SPEC 4TH MATERIAL RESPONSE |
| Inner Ring Width | 0.4345 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM 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 |
|---|---|
| MKP16B PRIMARY | New Hampshire Ball Bearings Inc Div Precision Division (USA) |
NSN 3110-01-666-3720 is a Bearing,ball,airframe, manufactured by New Hampshire Ball Bearings Inc Div Precision Division, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-666-3720 has 1 manufacturer part number on file: MKP16B (New Hampshire Ball Bearings Inc Div Precision Division).
Key specifications for MKP16B: Bearing Seal Type: CONTACT; Lubrication Material: GREASE; Outer Ring Width: 0.375 INCHES NOMINAL IN; Style Designator: SINGLE ROW INNER RING EXTENDED BOTH SIDES. 16 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.