The Rowlock, cataloged under National Stock Number 2040-00-244-0112, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Sea-Dog Line Div of Sneve-Nysether Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2040-00-244-0112 |
| Primary Part Number | 580158-1 |
| Item Name | Rowlock |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Sea-Dog Line Div of Sneve-Nysether Inc |
| Status | ACTIVE |
| Shank Diameter | 0.688 INCHES MAXIMUM IN |
| Shank Length | 3.562 INCHES NOMINAL IN |
| Quantity | 1 |
| Opening Width | 2.312 INCHES NOMINAL IN |
| Socket | NOT INCLUDED |
| Eye Location | SHANK BOTTOM END |
| Safety Chain Attaching Eye | INCLUDED |
| Surface Treatment | ZINC |
| Material | STEEL |
| Auxiliary Swivel Jaw | NOT INCLUDED |
| Horn Shape | U-SHAPED |
| 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 |
|---|---|
| 580158-1 PRIMARY | Sea-Dog Line Div of Sneve-Nysether Inc (USA) |
| Reference | Meaning |
|---|---|
| 25708PC5 | 5/9 Secondary reference U.S. Government activity |
NSN 2040-00-244-0112 is a Rowlock, manufactured by Sea-Dog Line Div of Sneve-Nysether Inc, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-00-244-0112 has 1 manufacturer part number on file: 580158-1 (Sea-Dog Line Div of Sneve-Nysether Inc).
Key specifications for 580158-1: Shank Diameter: 0.688 INCHES MAXIMUM IN; Shank Length: 3.562 INCHES NOMINAL IN; Quantity: 1; Opening Width: 2.312 INCHES NOMINAL IN. 11 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.