The Bearing,sleeve, cataloged under National Stock Number 3120-01-209-9503, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Triumph Manufacturing Company, Inc.. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-209-9503 |
| Primary Part Number | 73646-67X3 PIECE 4 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Triumph Manufacturing Company, Inc. |
| Status | ACTIVE |
| Body Outside Diameter | 4.0000 INCHES NOMINAL IN |
| Material Document and Classification | QQ-C-390 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Body Inside Diameter | 3.5000 INCHES NOMINAL IN |
| Material | COPPER ALLOY 862 OR COPPER ALLOY 863 OR COPPER ALLOY 864 OR COPPER ALLOY 865 OVERALL |
| 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 |
|---|---|
| 73646-67X3 PIECE 4 | Triumph Manufacturing Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 73643-67X3 PIECE 4 | 3/2 Design control — primary reference U.S. Government activity |
| 132368 | 5/2 Secondary reference U.S. Government activity |
NSN 3120-01-209-9503 is a Bearing,sleeve, manufactured by Triumph Manufacturing Company, Inc., classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-209-9503 has 1 manufacturer part number on file: 73646-67X3 PIECE 4 (Triumph Manufacturing Company, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 3040-01-261-5111, 5935-01-701-0560. Verify interchangeability with system specifications before substitution.
Key specifications for 73646-67X3 PIECE 4: Body Outside Diameter: 4.0000 INCHES NOMINAL IN; Material Document and Classification: QQ-C-390 FED SPEC ALL MATERIAL RESPONSES OVERALL; Overall Length: 9.0000 INCHES NOMINAL IN; Body Inside Diameter: 3.5000 INCHES NOMINAL IN. 4 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.