The Concord Block, cataloged under National Stock Number 3950-00-784-2908, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is Imeco Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Concord Block |
| FSC / FSG | 3950 — Winches, Hoists, Cranes, and Derricks (FSG 39) |
| Manufacturers | Imeco Inc (CAGE 0V369) |
| Parameter | Value |
|---|---|
| NSN | 3950-00-784-2908 |
| Primary Part Number | 571-220223 |
| Item Name | Concord Block |
| FSC / FSG | 3950 / 39 — Winches, Hoists, Cranes, and Derricks |
| Manufacturer | Imeco 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 |
|---|---|
| 571-220223 PRIMARY | Imeco Inc (USA) |
| Reference | Meaning |
|---|---|
| 805-2549932REVC | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 805-2549932AND805-2556870 | 5/9 Secondary reference Western Rigging Products, Inc |
| 3005-D-1 PTRN 7002 | 5/9 Secondary reference Western Rigging Products, Inc |
| 805-2549932 | D/9 Drawing number reference only U.S. Government activity |
| 805-2549932REVBAND805-2556870 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 3950-00-784-2908 is a Concord Block, manufactured by Imeco Inc, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
NSN 3950-00-784-2908 has 1 manufacturer part number on file: 571-220223 (Imeco 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.