The Clamp,material Lifting, cataloged under National Stock Number 3940-01-733-2956, is classified within Federal Supply Class 3940 (Blocks, Tackle, Rigging, and Slings) of the Materials Handling Equipment group. The manufacturer of record is General Clamp Industries, Inc. Dba General Clamp Industries Inc. Government technical data includes 8 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3940-01-733-2956 |
| Primary Part Number | USC-3A |
| Item Name | Clamp,material Lifting |
| FSC / FSG | 3940 / 39 — Blocks, Tackle, Rigging, and Slings |
| Manufacturer | General Clamp Industries, Inc. Dba General Clamp Industries Inc |
| Status | ACTIVE |
| Material Width Accommodated | 3.00 INCHES MINIMUM AND 7.50 INCHES MAXIMUM IN |
| Material Accommodated Thickness | 1.250 INCHES NOMINAL IN |
| Jaw Type | MULTIPLE TOOTH |
| Lifting Position | VERTICAL |
| Material Document and Classification | ASMT A588 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE |
| Gripping Action Type | SCREW |
| Material | STEEL |
| Lifting Capacity | 6720.0 POUNDS LBS |
| 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 |
|---|---|
| USC-3A PRIMARY | General Clamp Industries, Inc. Dba General Clamp Industries Inc (USA) |
NSN 3940-01-733-2956 is a Clamp,material Lifting, manufactured by General Clamp Industries, Inc. Dba General Clamp Industries Inc, classified under FSC 3940, Blocks, Tackle, Rigging, and Slings. Status: active.
NSN 3940-01-733-2956 has 1 manufacturer part number on file: USC-3A (General Clamp Industries, Inc. Dba General Clamp Industries Inc).
Key specifications for USC-3A: Material Width Accommodated: 3.00 INCHES MINIMUM AND 7.50 INCHES MAXIMUM IN; Material Accommodated Thickness: 1.250 INCHES NOMINAL IN; Jaw Type: MULTIPLE TOOTH; Lifting Position: VERTICAL. 8 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.