The Shackle, cataloged under National Stock Number 4030-01-424-6542, 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 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4030-01-424-6542 |
| Primary Part Number | 1018892 |
| Item Name | Shackle |
| FSC / FSG | 4030 / 40 — Fittings for Rope, Cable, and Chain |
| Manufacturer | The Crosby Group Llc Dba the Crosby Group |
| Status | ACTIVE |
| Surface Treatment Document and Classification | ASTM A153 ASSN STD SINGLE TREATMENT RESPONSE |
| Inside Length | 1.630 INCHES NOMINAL IN |
| Material Diameter | 0.500 INCHES NOMINAL IN |
| Style Designator | CHAIN |
| Opening Width | 0.810 INCHES NOMINAL IN |
| Material Document and Classification | ASTMA322 ASSN STD SINGLE MATERIAL RESPONSE |
| Surface Treatment | ZINC |
| Material | STEEL |
| Breaking Strength | 4000.000 HARNESS GROUP 2 |
| 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 |
|---|---|
| 1018892 PRIMARY | The Crosby Group Llc Dba the Crosby Group (USA) |
| 12420837 | Amz Alabama Inc. (USA) |
| 12420837 | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
| Reference | Meaning |
|---|---|
| 12420837 | 7/2 Vendor item drawing reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 4030-01-424-6542 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 4030-01-424-6542 has 3 manufacturer part numbers on file: 1018892 (The Crosby Group Llc Dba the Crosby Group), 12420837 (Amz Alabama Inc.), 12420837 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc).
Key specifications for 1018892: Surface Treatment Document and Classification: ASTM A153 ASSN STD SINGLE TREATMENT RESPONSE; Inside Length: 1.630 INCHES NOMINAL IN; Material Diameter: 0.500 INCHES NOMINAL IN; Style Designator: CHAIN. 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.