The Ball,bearing, cataloged under National Stock Number 3110-01-138-3317, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-138-3317 |
| Primary Part Number | 563254-21 |
| Item Name | Ball,bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Rolling Element Diameter | 0.23622 INCHES NOMINAL IN |
| Style Designator | BALL |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL COMP E52100 OVERALL |
| 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 |
|---|---|
| 563254-21 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 563254-21 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
| 3147189-21 | 7/2 Vendor item drawing reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 3110-01-138-3317 is a Ball,bearing, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-138-3317 has 1 manufacturer part number on file: 563254-21 (Lockheed Martin Corporation Div Rms).
Key specifications for 563254-21: Rolling Element Diameter: 0.23622 INCHES NOMINAL IN; Style Designator: BALL; Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL; Special Features: AFBMA STANDARD TOLERANCE FOR BALLS,GRADE 24. 4 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.