The Block,tackle, cataloged under National Stock Number 3940-01-650-8925, is classified within Federal Supply Class 3940 (Blocks, Tackle, Rigging, and Slings) of the Materials Handling Equipment group. The manufacturer of record is Columbus Mckinnon Corp Cm Chain Div. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3940-01-650-8925 |
| Primary Part Number | 5623A |
| Item Name | Block,tackle |
| FSC / FSG | 3940 / 39 — Blocks, Tackle, Rigging, and Slings |
| Manufacturer | Columbus Mckinnon Corp Cm Chain Div |
| Status | ACTIVE |
| Tackle Accommodated Type | CHAIN |
| Style Designator | SQUARE PATTERN |
| 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 |
|---|---|
| 5623A PRIMARY | Columbus Mckinnon Corp Cm Chain Div (USA) |
| Reference | Meaning |
|---|---|
| 8291036 | 5/9 Secondary reference Columbus Mckinnon Corp Cm Hoist Div Regional Sales Office |
NSN 3940-01-650-8925 is a Block,tackle, manufactured by Columbus Mckinnon Corp Cm Chain Div, classified under FSC 3940, Blocks, Tackle, Rigging, and Slings. Status: active.
NSN 3940-01-650-8925 has 1 manufacturer part number on file: 5623A (Columbus Mckinnon Corp Cm Chain Div).
Key specifications for 5623A: Tackle Accommodated Type: CHAIN; Style Designator: SQUARE PATTERN; Special Features: 0.5 TON LIFT, HOOK ATTACHMENT, 44.0 LBS FORCE PULL LBS; Part Name Assigned by Controlling Agency: HAND CHAIN HOIST. 2 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.