The Clamp,material Lifting, cataloged under National Stock Number 3940-01-496-2553, is classified within Federal Supply Class 3940 (Blocks, Tackle, Rigging, and Slings) of the Materials Handling Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3940-01-496-2553 |
| Primary Part Number | 7409700-A3 |
| Item Name | Clamp,material Lifting |
| FSC / FSG | 3940 / 39 — Blocks, Tackle, Rigging, and Slings |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Jaw Type | SINGLE TOOTH |
| Lifting Position | HORIZONTAL |
| Gripping Action Type | SCREW |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 7409700-A3 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| B831-4120-A3 | 3/2 Design control — primary reference U.S. Government activity |
| 596-7409700-A3 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 3940-01-496-2553 is a Clamp,material Lifting, manufactured by Naval Sea Systems Command, classified under FSC 3940, Blocks, Tackle, Rigging, and Slings. Status: active.
NSN 3940-01-496-2553 has 1 manufacturer part number on file: 7409700-A3 (Naval Sea Systems Command).
Key specifications for 7409700-A3: Jaw Type: SINGLE TOOTH; Lifting Position: HORIZONTAL; Gripping Action Type: SCREW; Part Name Assigned by Controlling Agency: CRADLE, ROV/PKG HOLD DOWN ASSEMBLY. 4 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.