The Bushing,sleeve, cataloged under National Stock Number 3120-01-528-8445, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Schroeder Industries Llc. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3120-01-528-8445 |
| Primary Part Number | TB-417-2 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Schroeder Industries Llc |
| Status | ACTIVE |
| Flange Outside Diameter | 3.8750 INCHES NOMINAL IN |
| Body Outside Diameter | 2.8125 INCHES NOMINAL IN |
| Style Designator | SPLIT, EXTERNAL FLANGE ONE END, INTERIOR FLANGE(S) NOT LOCATED AT EITHER END |
| 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 |
|---|---|
| D4232 ITEM 175-TB-417-2 | Schroeder Industries Llc (USA) |
| TB-417-2 PRIMARY | Schroeder Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| D-4232 | D/9 Drawing number reference only Schroeder Industries Llc |
NSN 3120-01-528-8445 is a Bushing,sleeve, manufactured by Schroeder Industries Llc, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-528-8445 has 2 manufacturer part numbers on file: D4232 ITEM 175-TB-417-2 (Schroeder Industries Llc), TB-417-2 (Schroeder Industries Llc).
1 possible match (shared part number, not a government interchangeability claim): 3120-01-528-8501. Verify interchangeability with system specifications before substitution.
Key specifications for TB-417-2: Flange Outside Diameter: 3.8750 INCHES NOMINAL IN; Body Outside Diameter: 2.8125 INCHES NOMINAL IN; Style Designator: SPLIT, EXTERNAL FLANGE ONE END, INTERIOR FLANGE(S) NOT LOCATED AT EITHER END; Overall Length: 1.7500 INCHES NOMINAL IN. 3 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.