The Shackle, cataloged under National Stock Number 4030-01-391-2790, 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 Maclean-Fogg Co. Government technical data includes 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4030-01-391-2790 |
| Primary Part Number | B9617 |
| Item Name | Shackle |
| FSC / FSG | 4030 / 40 — Fittings for Rope, Cable, and Chain |
| Manufacturer | Maclean-Fogg Co |
| Status | ACTIVE |
| Inside Length | 5.750 INCHES NOMINAL IN |
| Material Diameter | 1.500 INCHES NOMINAL IN |
| Style Designator | ANTITOPPLING |
| Opening Width | 2.375 INCHES NOMINAL IN |
| Material | STEEL |
| Breaking Strength | 70000.0 BELT GROUP 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 |
|---|---|
| B9617 | Maclean-Fogg Co (USA) |
| 61284 | Holland Lp Dba Railwelding Holland (USA) |
| Reference | Meaning |
|---|---|
| MK0267 | 5/9 Secondary reference U.S. Government activity |
| MK0267 | 3/2 Design control — primary reference U.S. Government activity |
| 61284 | 5/9 Secondary reference Holland Co |
NSN 4030-01-391-2790 is a Shackle, manufactured by Maclean-Fogg Co, classified under FSC 4030, Fittings for Rope, Cable, and Chain. Status: active.
NSN 4030-01-391-2790 has 2 manufacturer part numbers on file: B9617 (Maclean-Fogg Co), 61284 (Holland Lp Dba Railwelding Holland).
Key specifications for B9617: Inside Length: 5.750 INCHES NOMINAL IN; Material Diameter: 1.500 INCHES NOMINAL IN; Style Designator: ANTITOPPLING; Opening Width: 2.375 INCHES NOMINAL IN. 6 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.