The Life Line,self Retr, cataloged under National Stock Number 4240-01-424-0119, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is D B Industries, Llc. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Life Line,self Retr |
| FSC / FSG | 4240 — Safety and Rescue Equipment (FSG 42) |
| Manufacturers | D B Industries, Llc (CAGE 55297) |
| Parameter | Value |
|---|---|
| NSN | 4240-01-424-0119 |
| Primary Part Number | 3403400 |
| Item Name | Life Line,self Retr |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | D B Industries, Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| 3403400 PRIMARY | D B Industries, Llc (USA) |
| DBU15 | D B Industries, Llc (USA) |
| 3400900 PRIMARY | D B Industries, Llc (USA) |
| Reference | Meaning |
|---|---|
| 3403400 | 5/9 Secondary reference Mine Safety Appliances Company |
| L3400 | 5/9 Secondary reference D B Industries, Llc |
NSN 4240-01-424-0119 is a Life Line,self Retr, manufactured by D B Industries, Llc, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-424-0119 has 3 manufacturer part numbers on file: 3403400 (D B Industries, Llc), DBU15 (D B Industries, Llc), 3400900 (D B Industries, Llc).
Possible hazard — SDS may be required (DLA HMIC P). 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.