The Body Assy,seal,rudd, cataloged under National Stock Number 2040-01-459-6453, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Defense Maritime Solutions, Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2040-01-459-6453 |
| Primary Part Number | H-73561-01-6 |
| Item Name | Body Assy,seal,rudd |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Defense Maritime Solutions, Inc. |
| Status | ACTIVE |
| Reference Data and Literature | GA OF 22.750" TYPE ER SEAL LSD 37/38, US73561-01-A |
| 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 |
|---|---|
| H-73561-01-6 PRIMARY | Defense Maritime Solutions, Inc. (USA) |
| Reference | Meaning |
|---|---|
| US73561-01 | D/9 Drawing number reference only Wartsila Lips Inc |
| H-73561-01-6 | 5/9 Secondary reference Wartsila Lips Inc |
NSN 2040-01-459-6453 is a Body Assy,seal,rudd, manufactured by Defense Maritime Solutions, Inc., classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-459-6453 has 1 manufacturer part number on file: H-73561-01-6 (Defense Maritime Solutions, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 2040-01-472-2415. Verify interchangeability with system specifications before substitution.
Key specifications for H-73561-01-6: Reference Data and Literature: GA OF 22.750" TYPE ER SEAL LSD 37/38, US73561-01-A; Special Features: CONSISTS OF BODY ASSY (SPLIT), MATERIAL NEOPRENE, HOT BONDED AROUND THE SHAFT AT INSTALLATION; End Item Identification: USED ON SEAL RUDDER. 1 specification is 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.