The Hatch,marine, cataloged under National Stock Number 2040-01-643-6189, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Imtra 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2040-01-643-6189 |
| Primary Part Number | SPA-40105 |
| Item Name | Hatch,marine |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Imtra Corp |
| Status | ACTIVE |
| Opening Length | 1.5000 INCHES NOMINAL IN |
| Opening Width | 7.500 INCHES NOMINAL IN |
| Rectangular Hatch Hinge Location | LONG SIDE |
| Hasp | INCLUDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 2040-01-643-6189 is a Hatch,marine, manufactured by Imtra Corp, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-643-6189 has 2 manufacturer part numbers on file: SPA-40105 (Imtra Corp), 173422 (Bla Distribution Aus Holdco Pty Ltd).
Key specifications for SPA-40105: Opening Length: 1.5000 INCHES NOMINAL IN; Opening Width: 7.500 INCHES NOMINAL IN; Rectangular Hatch Hinge Location: LONG SIDE; Hasp: INCLUDED. 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.