The Boom Extension,middle,crane, cataloged under National Stock Number 3950-01-669-8630, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is Jcb Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3950-01-669-8630 |
| Primary Part Number | 400/L6740 |
| Item Name | Boom Extension,middle,crane |
| FSC / FSG | 3950 / 39 — Winches, Hoists, Cranes, and Derricks |
| Manufacturer | Jcb Inc. |
| 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 |
|---|---|
| 400/L6740 PRIMARY | Jcb Inc. (USA) |
| Reference | Meaning |
|---|---|
| 332/D8376 | D/9 Drawing number reference only Jcb Inc. |
NSN 3950-01-669-8630 is a Boom Extension,middle,crane, manufactured by Jcb Inc., classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
NSN 3950-01-669-8630 has 1 manufacturer part number on file: 400/L6740 (Jcb Inc.).
Key specifications for 400/L6740: Part Name Assigned by Controlling Agency: BOOM SECTION,INNER. 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.