The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-01-221-0735, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Honeywell International Inc Div Aerospace-South Bend (bendix Dr). Government technical data includes 7 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-221-0735 |
| Primary Part Number | 2670405 |
| Item Name | Bearing,plain,self-Aligning |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Honeywell International Inc Div Aerospace-South Bend (bendix Dr) |
| Status | ACTIVE |
| Hardness Rating | 55.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM INNER MEMBER |
| Hardness Rating | 28.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER |
| Style Designator | WITH INSERT AND/OR LINER WITH STAKING GROOVE |
| Surface Treatment | PASSIVATE INNER MEMBER |
| Material | STEEL COMP 440C INNER MEMBER |
| Material | STEEL COMP 630 OUTER RACE MEMBER |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE AND GLASS FIBER RACE LINER |
| 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 |
|---|---|
| 2670405 PRIMARY | Honeywell International Inc Div Aerospace-South Bend (bendix Dr) (USA) |
NSN 3120-01-221-0735 is a Bearing,plain,self-Aligning, manufactured by Honeywell International Inc Div Aerospace-South Bend (bendix Dr), classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-221-0735 has 1 manufacturer part number on file: 2670405 (Honeywell International Inc Div Aerospace-South Bend (bendix Dr)).
1 possible match (shared part number, not a government interchangeability claim): 3120-01-321-9672. Verify interchangeability with system specifications before substitution.
Key specifications for 2670405: Hardness Rating: 55.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM INNER MEMBER; Hardness Rating: 28.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER; Style Designator: WITH INSERT AND/OR LINER WITH STAKING GROOVE; Surface Treatment: PASSIVATE INNER MEMBER. 7 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.