The Housing,bearing Unit, cataloged under National Stock Number 3130-01-004-5099, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-01-004-5099 |
| Primary Part Number | 1020C0512 |
| Item Name | Housing,bearing Unit |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Mounting Hole Type | ROUND, UNTHREADED |
| Material Document and Classification | QQ-A-601,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Mounting Hole Diameter | 0.1690 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Holes Along Width | 2.0000 INCHES NOMINAL IN |
| Housing Width | 2.3800 INCHES MINIMUM AND 2.5000 INCHES MAXIMUM IN |
| Shaft End Type | OPEN |
| Bore Diameter | 0.6252 INCHES MINIMUM AND 0.6257 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 356.0 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 |
|---|---|
| 1020C0512 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 1020C0512 | 5/9 Secondary reference Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems |
NSN 3130-01-004-5099 is a Housing,bearing Unit, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-004-5099 has 1 manufacturer part number on file: 1020C0512 (Lockheed Martin Corporation Div Rms).
Key specifications for 1020C0512: Mounting Hole Type: ROUND, UNTHREADED; Material Document and Classification: QQ-A-601,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Mounting Hole Diameter: 0.1690 INCHES NOMINAL IN; Center to Center Distance Between Mounting Holes Along Width: 2.0000 INCHES NOMINAL IN. 8 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.