The Shackle, cataloged under National Stock Number 4030-01-571-7183, 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 9 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4030-01-571-7183 |
| Primary Part Number | 1018491 |
| 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 | 2.810 INCHES NOMINAL IN |
| Material Diameter | 0.910 INCHES NOMINAL IN |
| Style Designator | ANCHOR |
| Opening Width | 1.250 INCHES NOMINAL IN |
| Eyelet Style | ROUND PLAIN |
| Closure Head Style | SHOULDER EYE |
| Eye Inside Diameter | 0.500 INCHES NOMINAL IN |
| Material | STEEL |
| Breaking Strength | ERR-060 |
| 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 |
|---|---|
| 1018491 PRIMARY | The Crosby Group Llc Dba the Crosby Group (USA) |
| D3662SFM02 ITEM 70 | Sfm Technology Limited (GBR) |
| D3662SFM02-70 | Sfm Technology Limited (GBR) |
| G209-4.75T PRIMARY | The Crosby Group Llc Dba the Crosby Group (USA) |
NSN 4030-01-571-7183 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 4030-01-571-7183 has 4 manufacturer part numbers on file: 1018491 (The Crosby Group Llc Dba the Crosby Group), D3662SFM02 ITEM 70 (Sfm Technology Limited), D3662SFM02-70 (Sfm Technology Limited), G209-4.75T (The Crosby Group Llc Dba the Crosby Group).
Key specifications for 1018491: Inside Length: 2.810 INCHES NOMINAL IN; Material Diameter: 0.910 INCHES NOMINAL IN; Style Designator: ANCHOR; Opening Width: 1.250 INCHES NOMINAL IN. 9 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.