The Door,metal,marine Structural, cataloged under National Stock Number 2040-01-450-3435, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2040-01-450-3435
Item Name
Door,metal,marine Structural
FSC / FSG
2040 / 20 — Marine Hardware and Hull Items
Status
ACTIVE
Operational Direction
RIGHT-HAND
Quick Operating Feature
INCLUDED
Fixed Light
INCLUDED
Design Type
AIRTIGHT
Opening Length
66.000 INCHES NOMINAL IN
Opening Corner Radius
6.828 INCHES NOMINAL IN
Opening Width
26.000 INCHES NOMINAL IN
Panel Thickness
0.075 INCHES NOMINAL IN
Material
STEEL
Operation Method
LEVER
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
2040-01-450-3437805-1400074ASSY456POSSIBLE MATCH
DOOR,METAL,MARINE STRUCTURAL
Possible match (shared part number)Naval Ship Systems Command
2040-01-462-8084805-1400074ASSY454 W/6" LIGHTPOSSIBLE MATCH
DOOR,METAL,MARINE STRUCTURAL
Possible match (shared part number)Naval Ship Systems Command
3040-01-464-7811805-1400074 PC 11POSSIBLE MATCH
CONNECTING LINK,RIGID
Possible match (shared part number)Naval Ship Systems Command
3040-01-496-0549805-1400074 PC 12POSSIBLE MATCH
CONNECTING LINK,RIGID
Possible match (shared part number)Naval Ship Systems Command
3040-01-658-6737805-1400074 PC NO 16POSSIBLE MATCH
CONNECTING LINK,RIGID
Possible match (shared part number)Naval Ship Systems Command
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
805-1400074
D/9Drawing number reference only
U.S. Government activity
805-1400074ASSY447
3/2Design control — primary reference
U.S. Government activity
Related Parts
2040-01-450-3437POSSIBLE MATCH
DOOR,METAL,MARINE STRUCTURAL
805-1400074ASSY456
2040-01-462-8084POSSIBLE MATCH
DOOR,METAL,MARINE STRUCTURAL
805-1400074ASSY454 W/6" LIGHT
3040-01-464-7811POSSIBLE MATCH
CONNECTING LINK,RIGID
805-1400074 PC 11
3040-01-496-0549POSSIBLE MATCH
CONNECTING LINK,RIGID
805-1400074 PC 12
3040-01-658-6737POSSIBLE MATCH
CONNECTING LINK,RIGID
805-1400074 PC NO 16
Frequently Asked Questions
What is NSN 2040-01-450-3435?
NSN 2040-01-450-3435 is a Door,metal,marine Structural, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
What NSN replaces 2040-01-450-3435?
5 possible matches (shared part number, not a government interchangeability claim): 2040-01-450-3437, 2040-01-462-8084, 3040-01-464-7811. Verify interchangeability with system specifications before substitution.
What are the specifications of 2040-01-450-3435?
Key specifications for 2040-01-450-3435: Operational Direction: RIGHT-HAND; Quick Operating Feature: INCLUDED; Fixed Light: INCLUDED; Design Type: AIRTIGHT. 10 specifications are documented in the U.S. Government catalog.
Is NSN 2040-01-450-3435 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.