The Shackle, cataloged under National Stock Number 4030-01-527-1190, 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 Peerless Chain Company Dba Peerless Chain Co Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4030-01-527-1190 |
| Primary Part Number | 5166756-3 |
| Item Name | Shackle |
| FSC / FSG | 4030 / 40 — Fittings for Rope, Cable, and Chain |
| Manufacturer | Peerless Chain Company Dba Peerless Chain Co Inc |
| Status | ACTIVE |
| Inside Length | 3.656 INCHES NOMINAL IN |
| Material Diameter | 0.562 INCHES NOMINAL IN |
| Style Designator | CHAIN |
| Opening Width | 1.094 INCHES NOMINAL IN |
| Safe Operating Load Rating | 7680.000 POUNDS NOMINAL LBS |
| 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 |
|---|---|
| 5981-00022 | Acco-Babcock Inc Hoist and Crane Div (USA) |
| 5166756-3 PRIMARY | Peerless Chain Company Dba Peerless Chain Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 5166756-3 | 3/9 Design control — primary reference Naval Sea Systems Command |
NSN 4030-01-527-1190 is a Shackle, manufactured by Peerless Chain Company Dba Peerless Chain Co Inc, classified under FSC 4030, Fittings for Rope, Cable, and Chain. Status: active.
NSN 4030-01-527-1190 has 2 manufacturer part numbers on file: 5981-00022 (Acco-Babcock Inc Hoist and Crane Div), 5166756-3 (Peerless Chain Company Dba Peerless Chain Co Inc).
Key specifications for 5166756-3: Inside Length: 3.656 INCHES NOMINAL IN; Material Diameter: 0.562 INCHES NOMINAL IN; Style Designator: CHAIN; Opening Width: 1.094 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.