The Bearing,roller,airframe, cataloged under National Stock Number 3110-01-475-6451, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Lockheed Martin Aeronautical Systems Support Company Dba Lmassc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3110-01-475-6451 |
| Primary Part Number | 3338931-1 |
| Item Name | Bearing,roller,airframe |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Lockheed Martin Aeronautical Systems Support Company Dba Lmassc |
| Status | ACTIVE |
| 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 |
|---|---|
| 3338931-1 PRIMARY | Lockheed Martin Aeronautical Systems Support Company Dba Lmassc (USA) |
| Reference | Meaning |
|---|---|
| 3338931-1 | 5/2 Secondary reference U.S. Government activity |
NSN 3110-01-475-6451 is a Bearing,roller,airframe, manufactured by Lockheed Martin Aeronautical Systems Support Company Dba Lmassc, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-475-6451 has 1 manufacturer part number on file: 3338931-1 (Lockheed Martin Aeronautical Systems Support Company Dba Lmassc).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-542-2653. Verify interchangeability with system specifications before substitution.
Key specifications for 3338931-1: Special Features: CONSISTS OF 2 EA MS21443-5B BEARINGS AND 1 EA 3338932-1 ROLLER COVER,OVERALL LENGTH TO THE OUTSIDE ENDS OF THE BEARINGS IS3.483 IN. NOMINAL IN; Part Name Assigned by Controlling Agency: ROLLER ASSEMBL AIRCRAFT; End Item Identification: C-130J. 0 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.