The Inserter,stud, cataloged under National Stock Number 5120-01-568-9984, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is The Boeing Company. 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 | 5120-01-568-9984 |
| Primary Part Number | 278-3 |
| Item Name | Inserter,stud |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 278-3 PRIMARY | The Boeing Company (USA) |
NSN 5120-01-568-9984 is a Inserter,stud, manufactured by The Boeing Company, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-568-9984 has 1 manufacturer part number on file: 278-3 (The Boeing Company).
1 possible match (shared part number, not a government interchangeability claim): 6145-01-617-4323. Verify interchangeability with system specifications before substitution.
Key specifications for 278-3: Special Features: USED DURNING REPAIR OF FORWARD AND AFT ROTOR HEAD; Part Name Assigned by Controlling Agency: STUD INSERT INSTALLATION TOOL; End Item Identification: AIRCRAFT. 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.
NSN 5120-01-568-9984 has DEMIL Code B. 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.