The Housing,bearing Unit, cataloged under National Stock Number 3130-01-204-5547, 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 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3130-01-204-5547 |
| Primary Part Number | 1210C1501 |
| Item Name | Housing,bearing Unit |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Flange Thickness | 0.1250 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.1340 INCHES MINIMUM AND 0.1390 INCHES MAXIMUM IN |
| Overall Outside Diameter | 1.7500 INCHES NOMINAL IN |
| Bolt Circle Diameter | 1.3750 INCHES NOMINAL IN |
| Shaft End Type | CLOSED OR OPEN |
| Bore Diameter | 0.6250 INCHES MINIMUM AND 0.6254 INCHES MAXIMUM IN |
| Housing Length | 1.2500 INCHES NOMINAL IN |
| Housing Diameter | 0.8743 INCHES MINIMUM AND 0.8748 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 |
|---|---|
| 1213C1504 FIND 1 | Lockheed Martin Corporation Div Rms (USA) |
| 1210C1501 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 1213C1504 FIND 1 | 5/9 Secondary reference Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems |
| 1210C1501 | 5/9 Secondary reference Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems |
NSN 3130-01-204-5547 is a Housing,bearing Unit, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-204-5547 has 2 manufacturer part numbers on file: 1213C1504 FIND 1 (Lockheed Martin Corporation Div Rms), 1210C1501 (Lockheed Martin Corporation Div Rms).
Key specifications for 1210C1501: Flange Thickness: 0.1250 INCHES NOMINAL IN; Mounting Hole Diameter: 0.1340 INCHES MINIMUM AND 0.1390 INCHES MAXIMUM IN; Overall Outside Diameter: 1.7500 INCHES NOMINAL IN; Bolt Circle Diameter: 1.3750 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.