The Shackle, cataloged under National Stock Number 4030-01-518-2603, is classified within Federal Supply Class 4030 (Fittings for Rope, Cable, and Chain) of the Rope, Cable, Chain, and Fittings group. The manufacturer of record is The Crosby Group Llc Dba the Crosby Group. Government technical data includes 10 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4030-01-518-2603 |
| Primary Part Number | 1019560 |
| Item Name | Shackle |
| FSC / FSG | 4030 / 40 — Fittings for Rope, Cable, and Chain |
| Manufacturer | The Crosby Group Llc Dba the Crosby Group |
| Status | ACTIVE |
| Inside Length | 3.750 INCHES NOMINAL IN |
| End Condition | THREADED |
| Material Diameter | 1.000 INCHES NOMINAL IN |
| Style Designator | ANCHOR |
| Opening Width | 1.690 INCHES NOMINAL IN |
| Locking Device Type | COTTER PIN AND NUT |
| Features Provided | FORELOCK PINHOLE |
| Closure Head Style | HEXAGON |
| Surface Treatment | ZINC |
| Material | STEEL |
| 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 |
|---|---|
| S-2130-1IN | The Crosby Group Llc Dba the Crosby Group (USA) |
| 1019560 PRIMARY | The Crosby Group Llc Dba the Crosby Group (USA) |
| Reference | Meaning |
|---|---|
| PL1581600 REV P FN 28 | 5/9 Secondary reference Gulf Coast Holdings, Inc Dba Unidynamics |
| 1581600 REV M FN 28 | 5/9 Secondary reference Gulf Coast Holdings, Inc Dba Unidynamics |
| 1581600 REV M FN 28 | 5/2 Secondary reference U.S. Government activity |
| PL1581600 REV P FN 28 | 5/2 Secondary reference U.S. Government activity |
NSN 4030-01-518-2603 is a Shackle, manufactured by The Crosby Group Llc Dba the Crosby Group, classified under FSC 4030, Fittings for Rope, Cable, and Chain. Status: active.
NSN 4030-01-518-2603 has 2 manufacturer part numbers on file: S-2130-1IN (The Crosby Group Llc Dba the Crosby Group), 1019560 (The Crosby Group Llc Dba the Crosby Group).
Key specifications for 1019560: Inside Length: 3.750 INCHES NOMINAL IN; End Condition: THREADED; Material Diameter: 1.000 INCHES NOMINAL IN; Style Designator: ANCHOR. 10 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.