The Shackle, cataloged under National Stock Number 4030-01-463-9831, 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 Clamshell Structures, Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4030-01-463-9831 |
| Primary Part Number | 50-3027 |
| Item Name | Shackle |
| FSC / FSG | 4030 / 40 — Fittings for Rope, Cable, and Chain |
| Manufacturer | Clamshell Structures, Inc |
| Status | ACTIVE |
| Material Diameter | 0.375 INCHES NOMINAL IN |
| Style Designator | ANCHOR |
| 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 |
|---|---|
| 50-3027 PRIMARY | Clamshell Structures, Inc (USA) |
NSN 4030-01-463-9831 is a Shackle, manufactured by Clamshell Structures, Inc, classified under FSC 4030, Fittings for Rope, Cable, and Chain. Status: active.
NSN 4030-01-463-9831 has 1 manufacturer part number on file: 50-3027 (Clamshell Structures, Inc).
1 possible match (shared part number, not a government interchangeability claim): 4810-01-513-7797. Verify interchangeability with system specifications before substitution.
Key specifications for 50-3027: Material Diameter: 0.375 INCHES NOMINAL IN; Style Designator: ANCHOR; End Item Identification: ERECTION KIT, GROUNDSYSTEMS, BUILDING PREFABRICATED 50B-BBA-S8CC, CLAMSHELL STRUCTURES INC. 2 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.