The Spanner Socket,airc, cataloged under National Stock Number 5120-01-557-4989, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Bell Boeing Joint Project Office. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-557-4989 |
| Primary Part Number | 3898AS100-1 |
| Item Name | Spanner Socket,airc |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Bell Boeing Joint Project Office |
| 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 |
|---|---|
| 3898AS100-1 PRIMARY | Bell Boeing Joint Project Office (USA) |
| 3898AS100-1 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 3898AS100-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5120-01-557-4989 is a Spanner Socket,airc, manufactured by Bell Boeing Joint Project Office, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-557-4989 has 2 manufacturer part numbers on file: 3898AS100-1 (Bell Boeing Joint Project Office), 3898AS100-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 3898AS100-1: Part Name Assigned by Controlling Agency: (INAVY)SPANNER, SOCKET, AIRC; End Item Identification: CV-22B SE; SPEC GSE ALLOW 9HV-22B); SPEC GSE ALLOW (MV-22B); SPEC GSE ALLOW (VV-22B). 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.