The Fastener,block Tool, cataloged under National Stock Number 4920-01-673-9014, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Southco Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Fastener,block Tool |
| FSC / FSG | 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment (FSG 49) |
| Manufacturers | Southco Inc (CAGE 72794); R. L. Morrissey & Associates, Inc (CAGE 8U976) |
| Parameter | Value |
|---|---|
| NSN | 4920-01-673-9014 |
| Primary Part Number | 29-TB1A4LN |
| Item Name | Fastener,block Tool |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Southco Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 29-TB1A4LN PRIMARY | Southco Inc (USA) |
| 29-TB1A4LN | R. L. Morrissey & Associates, Inc (USA) |
NSN 4920-01-673-9014 is a Fastener,block Tool, manufactured by Southco Inc, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-673-9014 has 2 manufacturer part numbers on file: 29-TB1A4LN (Southco Inc), 29-TB1A4LN (R. L. Morrissey & Associates, Inc).
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.