PartsTable TECHNICAL DATA SHEET
NSN 2040-00-554-3520Government record, cited

Door, Metal, Marine Structural2040-00-554-3520

NSN 2040-00-554-3520 · NIIN 005543520 · Part number 803-6397261 ASSY 6
Naval Sea Systems Command · FSC 2040 — Marine Hardware and Hull Items · FSG 20 — Ship and Marine Equipment · CAGE 53711
Government record, cited
NSN 2040-00-554-3520 — this item is cataloged by the U.S. Government under National Stock Number 2040-00-554-3520. Manufacturer of record part number: 803-6397261 ASSY 6.
Also searched as  2040-00-554-3520 · 2040005543520 · NIIN 005543520 · 00-554-3520 · FSC 2040 Marine Hardware and Hull Items · CAGE 53711 · 803-6397261 ASSY 6 · 805-1400073 · 6397261 ASSY 6
Nearby stock numbers  ·
Features
  • Door,metal,marine Structural — FSC 2040
  • Operational Direction: RIGHT-HAND
  • Quick Operating Feature: NOT INCLUDED
  • Dog Location: ON FRAME
  • Fixed Light: NOT INCLUDED
  • Design Type: WATERTIGHT
  • Opening Length: 36.000 INCHES NOMINAL IN
  • Opening Corner Radius: 8.828 INCHES NOMINAL IN
Identification
  • NSN: 2040-00-554-3520
  • NIIN: 005543520
  • FSC: 2040 — Marine Hardware and Hull Items
  • FSG: 20 — Ship and Marine Equipment
  • Primary part number: 803-6397261 ASSY 6
  • Manufacturer: Naval Sea Systems Command
General Description

The Door,metal,marine Structural, cataloged under National Stock Number 2040-00-554-3520, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2040-00-554-3520
Primary Part Number803-6397261 ASSY 6
Item NameDoor,metal,marine Structural
FSC / FSG2040 / 20 — Marine Hardware and Hull Items
ManufacturerNaval Sea Systems Command
StatusACTIVE
Operational DirectionRIGHT-HAND
Quick Operating FeatureNOT INCLUDED
Dog LocationON FRAME
Fixed LightNOT INCLUDED
Design TypeWATERTIGHT
Opening Length36.000 INCHES NOMINAL IN
Opening Corner Radius8.828 INCHES NOMINAL IN
Opening Width18.000 INCHES NOMINAL IN
Test Pressure Rating26 PSI TEST PRESSURE
Passing ScuttleNOT INCLUDED
Panel Thickness0.075 INCHES NOMINAL IN
Nondefinitive Spec/std Data429,W/O HASP ASSEMBLY W
Dog Quantity6
MaterialSTEEL
Dog TypeROTATING
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 8
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
2040-00-554-3521 POSSIBLE MATCH
DOOR,METAL,MARINE STRUCTURAL
Possible match (shared part number)
2040-00-554-6190805-1400073 ASSY 414,W/O HASP POSSIBLE MATCH
DOOR,METAL,MARINE STRUCTURAL
Possible match (shared part number)Naval Ship Systems Command
2040-00-554-6191 POSSIBLE MATCH
DOOR,METAL,MARINE STRUCTURAL
Possible match (shared part number)
2040-00-912-5754803-6397261 ASSY 5 POSSIBLE MATCH
DOOR,METAL,MARINE STRUCTURAL
Possible match (shared part number)Naval Sea Systems Command
2040-00-912-57556397261 ASSY 2 POSSIBLE MATCH
DOOR,METAL,MARINE STRUCTURAL
Possible match (shared part number)Naval Sea Systems Command
2040-00-912-57566397261 ASSY 3 POSSIBLE MATCH
DOOR,METAL,MARINE STRUCTURAL
Possible match (shared part number)Naval Sea Systems Command
2040-00-912-57576397261 ASSY 4 POSSIBLE MATCH
DOOR,METAL,MARINE STRUCTURAL
Possible match (shared part number)Naval Sea Systems Command
2040-00-912-57586397261 ASSY 1 POSSIBLE MATCH
DOOR,METAL,MARINE STRUCTURAL
Possible match (shared part number)Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
803-6397261 ASSY 6 PRIMARY Naval Sea Systems Command (USA)
Reference documents
ReferenceMeaning
805-1400073 5/9 Secondary reference
U.S. Government activity
6397261 ASSY 6 C/1 Advisory reference — outside the item-of-supply concept
Naval Sea Systems Command
Related Parts
2040-00-554-3521POSSIBLE MATCH
DOOR,METAL,MARINE STRUCTURAL
2040-00-554-6190POSSIBLE MATCH
DOOR,METAL,MARINE STRUCTURAL
805-1400073 ASSY 414,W/O HASP
2040-00-554-6191POSSIBLE MATCH
DOOR,METAL,MARINE STRUCTURAL
2040-00-912-5754POSSIBLE MATCH
DOOR,METAL,MARINE STRUCTURAL
803-6397261 ASSY 5
2040-00-912-5755POSSIBLE MATCH
DOOR,METAL,MARINE STRUCTURAL
6397261 ASSY 2
2040-00-912-5756POSSIBLE MATCH
DOOR,METAL,MARINE STRUCTURAL
6397261 ASSY 3
2040-00-912-5757POSSIBLE MATCH
DOOR,METAL,MARINE STRUCTURAL
6397261 ASSY 4
2040-00-912-5758POSSIBLE MATCH
DOOR,METAL,MARINE STRUCTURAL
6397261 ASSY 1

Frequently Asked Questions

What is NSN 2040-00-554-3520?

NSN 2040-00-554-3520 is a Door,metal,marine Structural, manufactured by Naval Sea Systems Command, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.

What part numbers are listed for NSN 2040-00-554-3520?

NSN 2040-00-554-3520 has 1 manufacturer part number on file: 803-6397261 ASSY 6 (Naval Sea Systems Command).

What NSN replaces 2040-00-554-3520?

8 possible matches (shared part number, not a government interchangeability claim): 2040-00-554-3521, 2040-00-554-6190, 2040-00-554-6191. Verify interchangeability with system specifications before substitution.

What are the specifications of 803-6397261 ASSY 6?

Key specifications for 803-6397261 ASSY 6: Operational Direction: RIGHT-HAND; Quick Operating Feature: NOT INCLUDED; Dog Location: ON FRAME; Fixed Light: NOT INCLUDED. 15 specifications are documented in the U.S. Government catalog.

Is NSN 2040-00-554-3520 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.
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