The Seal Assembly,shaft Log,ship, cataloged under National Stock Number 2040-01-442-2073, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Duramax Marine, Llc. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2040-01-442-2073 |
| Primary Part Number | 841003011R |
| Item Name | Seal Assembly,shaft Log,ship |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Duramax Marine, Llc |
| Status | ACTIVE |
| Overall Diameter | 5.500 INCHES NOMINAL IN |
| General Characteristics Item Description | SHAFT DIA 2 1/2 INS; SEAL RING 316 L S/S; FRICTION RING, NYLON |
| 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 |
|---|---|
| 841003011R PRIMARY | Duramax Marine, Llc (USA) |
| Reference | Meaning |
|---|---|
| 841003011 | 5/9 Secondary reference Duramax Inc Duramax Marine Div |
| 841003011R | 3/9 Design control — primary reference Duramax Inc Duramax Marine Div |
NSN 2040-01-442-2073 is a Seal Assembly,shaft Log,ship, manufactured by Duramax Marine, Llc, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-442-2073 has 1 manufacturer part number on file: 841003011R (Duramax Marine, Llc).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-565-8116. Verify interchangeability with system specifications before substitution.
Key specifications for 841003011R: Overall Diameter: 5.500 INCHES NOMINAL IN; General Characteristics Item Description: SHAFT DIA 2 1/2 INS; SEAL RING 316 L S/S; FRICTION RING, NYLON; Overall Length: 7.500 INCHES NOMINAL IN; End Item Identification: ONBOARD 49 FT BUSL CLASS COAST GUARD VESSELS FT. 2 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.