The Hook Block Assembly, cataloged under National Stock Number 3940-01-413-5388, is classified within Federal Supply Class 3940 (Blocks, Tackle, Rigging, and Slings) of the Materials Handling Equipment group. The manufacturer of record is Kwd Aircraft Support Equipment Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3940-01-413-5388 |
| Primary Part Number | 4121-000-11 |
| Item Name | Hook Block Assembly |
| FSC / FSG | 3940 / 39 — Blocks, Tackle, Rigging, and Slings |
| Manufacturer | Kwd Aircraft Support Equipment Llc |
| Status | ACTIVE |
| Supplementary Features | C/O HOOK, RUBBER PAD, PLATE,STRAPASSY |
| 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 |
|---|---|
| 4121-000-11 PRIMARY | Kwd Aircraft Support Equipment Llc (USA) |
NSN 3940-01-413-5388 is a Hook Block Assembly, manufactured by Kwd Aircraft Support Equipment Llc, classified under FSC 3940, Blocks, Tackle, Rigging, and Slings. Status: active.
NSN 3940-01-413-5388 has 1 manufacturer part number on file: 4121-000-11 (Kwd Aircraft Support Equipment Llc).
Key specifications for 4121-000-11: Supplementary Features: C/O HOOK, RUBBER PAD, PLATE,STRAPASSY; End Item Identification: DOLLY ASSY,RADOME HANDLING,P46 RADOME. 1 specification is 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.