The Liner,bearing Housing, cataloged under National Stock Number 3130-01-186-8745, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is The Boeing Company. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3130-01-186-8745 |
| Primary Part Number | 7-217221439 |
| Item Name | Liner,bearing Housing |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIAL: 3.75 BY 0.18IN WALL TUBING,304 CRES PER MIL-T-6845 OR 304 CRES PER MIL-T-8504 OR 321 CRES PER MI L-T-8808 TYPE 1; PROTECTIVE FINISH: PASSIVATE TREATMENT NO.21 PER 7-EPB040230; OUTSIDE DIA OF 3.69IN; INSIDE DIA OF 3.51IN; TUBE IS 0.70IN LONG IN |
| 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 |
|---|---|
| 7-217221439 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 7-217221439 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 3130-01-186-8745 is a Liner,bearing Housing, manufactured by The Boeing Company, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-186-8745 has 1 manufacturer part number on file: 7-217221439 (The Boeing Company).
Key specifications for 7-217221439: General Characteristics Item Description: MATERIAL: 3.75 BY 0.18IN WALL TUBING,304 CRES PER MIL-T-6845 OR 304 CRES PER MIL-T-8504 OR 321 CRES PER MI L-T-8808 TYPE 1; PROTECTIVE FINISH: PASSIVATE TREATMENT NO.21 PER 7-EPB040230; OUTSIDE DIA OF 3.69IN; INSIDE DIA OF 3.51IN; TUBE IS 0.70IN LONG IN. 1 specification is 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.
NSN 3130-01-186-8745 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.