The Ball,bearing, cataloged under National Stock Number 3110-01-042-0554, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-042-0554 |
| Primary Part Number | 03458001 FIND 80SQ |
| Item Name | Ball,bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Rolling Element Diameter | 0.9900 INCHES MINIMUM AND 1.0100 INCHES MAXIMUM IN |
| Criticality Code Justification | ZZZX |
| Style Designator | BALL |
| Departure From Cited Designator | QUALITY ASSURANCE TESTED FOR SUBMARINE ANTENNA APPLICATION |
| Material | NICKEL ALLOY AND COPPER ALLOY AND ALUMINUM ALLOY OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 03458001 FIND 80SQ | Naval Inventory Control Point Mechanicsburg (USA) |
| MS19064-20021 | Lockheed Martin Sippican, Inc. Div Communication Division (USA) |
| D20-1-1 ITEM 19SQ | Naval Inventory Control Point Mechanicsburg (USA) |
| MS19064-21SQ | Naval Inventory Control Point Mechanicsburg (USA) |
| 585-7056020 ITEM 97SQ | Naval Inventory Control Point Mechanicsburg (USA) |
| MS19064-20021SQ | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 03458001 FIND 80 | 5/9 Secondary reference U.S. Government activity |
| D20-1-1 ITEM 19 | 5/1 Secondary reference U.S. Government activity |
| MS19064-21 | 4/1 Identification reference U.S. Government activity |
| MS19064-20021 | 4/1 Identification reference U.S. Government activity |
| 585-7056020 ITEM 97 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 3110-01-042-0554 is a Ball,bearing, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-042-0554 has 6 manufacturer part numbers on file: 03458001 FIND 80SQ (Naval Inventory Control Point Mechanicsburg), MS19064-20021 (Lockheed Martin Sippican, Inc. Div Communication Division), D20-1-1 ITEM 19SQ (Naval Inventory Control Point Mechanicsburg), MS19064-21SQ (Naval Inventory Control Point Mechanicsburg), 585-7056020 ITEM 97SQ (Naval Inventory Control Point Mechanicsburg) and 1 more.
Key specifications for 03458001 FIND 80SQ: Rolling Element Diameter: 0.9900 INCHES MINIMUM AND 1.0100 INCHES MAXIMUM IN; Criticality Code Justification: ZZZX; Style Designator: BALL; Departure From Cited Designator: QUALITY ASSURANCE TESTED FOR SUBMARINE ANTENNA APPLICATION. 5 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.