The Strut Tube Bearing Assembly, cataloged under National Stock Number 3130-01-651-4108, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Strut Tube Bearing Assembly |
| FSC / FSG | 3130 — Bearings, Mounted (FSG 31) |
| Manufacturers | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (CAGE 78286) |
| Parameter | Value |
|---|---|
| NSN | 3130-01-651-4108 |
| Primary Part Number | 21D1210-200 |
| Item Name | Strut Tube Bearing Assembly |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 21D1210-200 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| 21D1210-200 | 5/9 Secondary reference Science Applications International Corporation Dba Saic Div Classified Aircraft Operations |
| 21D1210 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 3130-01-651-4108 is a Strut Tube Bearing Assembly, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-651-4108 has 1 manufacturer part number on file: 21D1210-200 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 3130-01-651-4108 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.