The Connector,thru-Hull, cataloged under National Stock Number 2040-01-384-0607, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Perko 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2040-01-384-0607 |
| Primary Part Number | 350 004 |
| Item Name | Connector,thru-Hull |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Perko Inc |
| Status | ACTIVE |
| Thread Length | 4.000 INCHES NOMINAL IN |
| Shape | STRAIGHT |
| Outside Diameter | 1.625 INCHES NOMINAL IN |
| Tailpiece Type | INTEGRAL |
| Material | COPPER ALLOY |
| Stem Type | THREADED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 2040-01-384-0607 is a Connector,thru-Hull, manufactured by Perko Inc, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-384-0607 has 2 manufacturer part numbers on file: 350004PLB (Perko Inc), 350 004 (Perko Inc).
1 possible match (shared part number, not a government interchangeability claim): 5410-01-503-3357. Verify interchangeability with system specifications before substitution.
Key specifications for 350 004: Thread Length: 4.000 INCHES NOMINAL IN; Shape: STRAIGHT; Outside Diameter: 1.625 INCHES NOMINAL IN; Tailpiece Type: INTEGRAL. 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.