The Connector,thru-Hull, cataloged under National Stock Number 2040-01-271-2939, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Connector,thru-Hull |
| FSC / FSG | 2040 — Marine Hardware and Hull Items (FSG 20) |
| Manufacturers | Huntington Ingalls Inc Div Newport News Shipbuilding (CAGE 43689); Naval Sea Systems Command (CAGE 53711) |
| Parameter | Value |
|---|---|
| NSN | 2040-01-271-2939 |
| Primary Part Number | 5486639-0029 |
| Item Name | Connector,thru-Hull |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 5486639-0029 PRIMARY | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 302-5486639-0029 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5486639-0029 | 5/9 Secondary reference Sayco Ltd |
NSN 2040-01-271-2939 is a Connector,thru-Hull, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-271-2939 has 2 manufacturer part numbers on file: 5486639-0029 (Huntington Ingalls Inc Div Newport News Shipbuilding), 302-5486639-0029 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 2040-01-535-4090. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 2040-01-271-2939 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.