The Connector,thru-Hull, cataloged under National Stock Number 2040-01-494-6947, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Byfield Marine Supply Inc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2040-01-494-6947 |
| Primary Part Number | FIG322 1IN |
| Item Name | Connector,thru-Hull |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Byfield Marine Supply Inc |
| Status | ACTIVE |
| Shape | STRAIGHT |
| Tailpiece Type | DETACHABLE |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 322 DP6 | Perko Inc (USA) |
| 529-7037 | United States Marine Inc (USA) |
| FIG322 1IN PRIMARY | Byfield Marine Supply Inc (USA) |
| Reference | Meaning |
|---|---|
| FIG322 1IN | C/1 Advisory reference — outside the item-of-supply concept United States Marine Inc |
NSN 2040-01-494-6947 is a Connector,thru-Hull, manufactured by Byfield Marine Supply Inc, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-494-6947 has 3 manufacturer part numbers on file: 322 DP6 (Perko Inc), 529-7037 (United States Marine Inc), FIG322 1IN (Byfield Marine Supply Inc).
Key specifications for FIG322 1IN: Shape: STRAIGHT; Tailpiece Type: DETACHABLE; Special Features: PIPE SIZE IS 1 INCH, MAX HULL THICKNESS 1-7/8, OD FLANGE IS 2-3/16, NECK IS THREADED 3/8 FROM FLANGE. IN; Material: COPPER ALLOY. 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.