The Shackle, cataloged under National Stock Number 4030-00-876-9888, 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 Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4030-00-876-9888 |
| Primary Part Number | S6125-50553-001 |
| Item Name | Shackle |
| FSC / FSG | 4030 / 40 — Fittings for Rope, Cable, and Chain |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| End Condition | PLAIN |
| Eyelet Style | ROUND PLAIN |
| Eye Inside Diameter | 0.625 INCHES MINIMUM AND 0.631 INCHES MAXIMUM IN |
| 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 |
|---|---|
| S6125-50553-1 | Leonardo Uk Ltd (GBR) |
| S6125-50553-001 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| S6125-50553-1 | 5/9 Secondary reference Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
NSN 4030-00-876-9888 is a Shackle, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 4030, Fittings for Rope, Cable, and Chain. Status: active.
NSN 4030-00-876-9888 has 2 manufacturer part numbers on file: S6125-50553-1 (Leonardo Uk Ltd), S6125-50553-001 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for S6125-50553-001: End Condition: PLAIN; Eyelet Style: ROUND PLAIN; Eye Inside Diameter: 0.625 INCHES MINIMUM AND 0.631 INCHES MAXIMUM IN; Material: STEEL. 4 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.