The Block,tackle, cataloged under National Stock Number 3940-01-494-8579, 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 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3940-01-494-8579 |
| Primary Part Number | 752-7068514-3 |
| Item Name | Block,tackle |
| FSC / FSG | 3940 / 39 — Blocks, Tackle, Rigging, and Slings |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Attachment Style | FLATTED LOOSE SWIVEL EYE WITH SWIVEL HOOK |
| Tackle Locking Device | NOT INCLUDED |
| Tackle Accommodated Type | CHAIN |
| Block Type | SNATCH |
| Style Designator | OVAL PATTERN |
| Locking Style | DROP LINK |
| Sheave Quantity | 1 |
| 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 |
|---|---|
| 752-7068514-3 PRIMARY | Naval Sea Systems Command (USA) |
| 418 2000766Q52E | The Crosby Group Llc Dba the Crosby Group (USA) |
| Reference | Meaning |
|---|---|
| H832-1695-3 | 5/2 Secondary reference U.S. Government activity |
| 418 2000766 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 3940-01-494-8579 is a Block,tackle, manufactured by Naval Sea Systems Command, classified under FSC 3940, Blocks, Tackle, Rigging, and Slings. Status: active.
NSN 3940-01-494-8579 has 2 manufacturer part numbers on file: 752-7068514-3 (Naval Sea Systems Command), 418 2000766Q52E (The Crosby Group Llc Dba the Crosby Group).
Key specifications for 752-7068514-3: Attachment Style: FLATTED LOOSE SWIVEL EYE WITH SWIVEL HOOK; Tackle Locking Device: NOT INCLUDED; Tackle Accommodated Type: CHAIN; Block Type: SNATCH. 7 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.