The Spider,dog,scuttle, cataloged under National Stock Number 2040-00-770-8396, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2040-00-770-8396 |
| Item Name | Spider,dog,scuttle |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Status | ACTIVE |
| Hub Outside Diameter | 1.749 INCHES MAXIMUM IN |
| Hub Bore Diameter | 0.500 INCHES NOMINAL IN |
| Arm Length | 3.000 INCHES NOMINAL IN |
| Thread Direction | LEFT-HAND |
| Thread Size | 1/2-20 |
| Screw Thread Series Designator | UNF |
| Specific Usage Design | W.T.Q.A. HATCHES SPR BAL 24X30 ENG AND BOILER RM DESTROYERS |
| Arm Quantity | 4 |
| Material | STEEL CORROSION RESISTING |
| Hub Thickness | 0.1250 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 1645098 | D/9 Drawing number reference only U.S. Government activity |
| 1626022 | D/9 Drawing number reference only U.S. Government activity |
| 805-1626022PC28 | 3/2 Design control — primary reference U.S. Government activity |
| 803-1645098 PIE | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 803-1645098PIECE27 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2040-00-770-8396 is a Spider,dog,scuttle, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
Key specifications for 2040-00-770-8396: Hub Outside Diameter: 1.749 INCHES MAXIMUM IN; Hub Bore Diameter: 0.500 INCHES NOMINAL IN; Arm Length: 3.000 INCHES NOMINAL IN; Thread Direction: LEFT-HAND. 10 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.