The Connector,thru-Hull, cataloged under National Stock Number 2040-00-293-6653, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Aalberts Integrated Piping Systems Americas, Inc.. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2040-00-293-6653 |
| Primary Part Number | 65-BN7-53 |
| Item Name | Connector,thru-Hull |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Aalberts Integrated Piping Systems Americas, Inc. |
| Status | ACTIVE |
| Thread Length | 3.250 INCHES NOMINAL IN |
| Shape | STRAIGHT |
| Outside Diameter | 1.500 INCHES NOMINAL IN |
| Tailpiece Type | DETACHABLE |
| Screw Thread Diameter | 1.500 INCHES NOMINAL IN |
| Screw Thread Series Designator | IPS |
| 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 |
|---|---|
| 65-BN7-53 | Aalberts Integrated Piping Systems Americas, Inc. (USA) |
| 5968324-ITEM66 | Naval Sea Systems Command (USA) |
| 501-5104707PC78 | Naval Sea Systems Command (USA) |
| 501-5104631PC51 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 857X1509 | 5/9 Secondary reference North and Judd Inc Wilcox-Crittenden Div |
| 343-1800-2-22 | 5/9 Secondary reference Trumpy John and Sons Inc |
| 856-1IN | 5/9 Secondary reference North and Judd Inc Wilcox-Crittenden Div |
| 857R1-1-2IN | 5/9 Secondary reference North and Judd Inc Wilcox-Crittenden Div |
| 018044-8 | 5/9 Secondary reference Uniflite Inc |
| 010887-8 | 5/9 Secondary reference Uniflite Inc |
| 857-1 1-2IN | 5/9 Secondary reference North and Judd Inc Wilcox-Crittenden Div |
| MSB5-1195823REV4PC22 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2040-00-293-6653 is a Connector,thru-Hull, manufactured by Aalberts Integrated Piping Systems Americas, Inc., classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-00-293-6653 has 4 manufacturer part numbers on file: 65-BN7-53 (Aalberts Integrated Piping Systems Americas, Inc.), 5968324-ITEM66 (Naval Sea Systems Command), 501-5104707PC78 (Naval Sea Systems Command), 501-5104631PC51 (Naval Sea Systems Command).
Key specifications for 65-BN7-53: Thread Length: 3.250 INCHES NOMINAL IN; Shape: STRAIGHT; Outside Diameter: 1.500 INCHES NOMINAL IN; Tailpiece Type: DETACHABLE. 8 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.