The Grapnel,marine, cataloged under National Stock Number 2040-00-287-9643, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2040-00-287-9643 |
| Item Name | Grapnel,marine |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Status | ACTIVE |
| Prongs Overall Spread | 7.000 INCHES NOMINAL IN |
| Shank Top Eye Inside Diameter | 0.750 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | 2 TYPE AND 4 SIZE AND 2 CLASS |
| Surface Treatment | ZINC |
| Shank Overall Length | 12.000 INCHES NOMINAL IN |
| Prong Quantity | 5 |
| Shank Eye Thimble Size | 0.500 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 |
|---|---|
| M613-T2-S7-C6-Z | 2/2 Government specification standardization U.S. Government activity |
| MILG613 | 5/9 Secondary reference U.S. Government activity |
| MILG613 | C/1 Advisory reference — outside the item-of-supply concept Lawndale Forging & Tool Works, Inc. |
| MIL-DTL-613 | 4/1 Identification reference U.S. Government activity |
NSN 2040-00-287-9643 is a Grapnel,marine, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 2040-00-287-9644, 2040-00-828-3831. Verify interchangeability with system specifications before substitution.
Key specifications for 2040-00-287-9643: Prongs Overall Spread: 7.000 INCHES NOMINAL IN; Shank Top Eye Inside Diameter: 0.750 INCHES NOMINAL IN; Weight: 4.000 POUNDS NOMINAL LBS; Nondefinitive Spec/std Data: 2 TYPE AND 4 SIZE AND 2 CLASS. 7 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.