NSN 2040-01-693-5990 · NIIN 016935990 · Part number D000021-W01
Lake Shore Systems, Inc. · FSC 2040 — Marine Hardware and Hull Items · FSG 20 — Ship and Marine Equipment · CAGE 34712
Government record, cited
NSN 2040-01-693-5990 — this item is cataloged by the U.S. Government under National Stock Number 2040-01-693-5990. Manufacturer of record part number: D000021-W01.
Also searched as2040-01-693-5990 ·
2040016935990 ·
NIIN 016935990 ·
01-693-5990 ·
FSC 2040 Marine Hardware and Hull Items · CAGE 34712 · D000021-W01 · D000021 · D000021 REV B ITEM 1
The Coaming,hatch, cataloged under National Stock Number 2040-01-693-5990, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Lake Shore Systems, Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Coaming,hatch
FSC / FSG
2040 — Marine Hardware and Hull Items (FSG 20)
Manufacturers
Lake Shore Systems, Inc. (CAGE 34712)
Technical Specifications
Parameter
Value
NSN
2040-01-693-5990
Primary Part Number
D000021-W01
Item Name
Coaming,hatch
FSC / FSG
2040 / 20 — Marine Hardware and Hull Items
Manufacturer
Lake Shore Systems, Inc.
Status
ACTIVE
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 Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
2040-01-693-6215D000021-002POSSIBLE MATCH
DOG,DOOR-HATCH
Possible match (shared part number)Lake Shore Systems, Inc.
2590-01-693-6252803-1624135-E-079POSSIBLE MATCH
BRACKET,VEHICULAR COMPONENTS
Possible match (shared part number)Lake Shore Systems, Inc.
2590-01-693-6256803-1624135-E-080POSSIBLE MATCH
BRACKET,VEHICULAR COMPONENTS
Possible match (shared part number)Lake Shore Systems, Inc.
2040-01-693-6324D000021POSSIBLE MATCH
HATCH,MARINE
Possible match (shared part number)Lake Shore Systems, Inc.
C/1Advisory reference — outside the item-of-supply concept
Lake Shore Systems, Inc.
Related Parts
2040-01-693-6215POSSIBLE MATCH
DOG,DOOR-HATCH
D000021-002
2590-01-693-6252POSSIBLE MATCH
BRACKET,VEHICULAR COMPONENTS
803-1624135-E-079
2590-01-693-6256POSSIBLE MATCH
BRACKET,VEHICULAR COMPONENTS
803-1624135-E-080
2040-01-693-6324POSSIBLE MATCH
HATCH,MARINE
D000021
Frequently Asked Questions
What is NSN 2040-01-693-5990?
NSN 2040-01-693-5990 is a Coaming,hatch, manufactured by Lake Shore Systems, Inc., classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
What part numbers are listed for NSN 2040-01-693-5990?
NSN 2040-01-693-5990 has 1 manufacturer part number on file: D000021-W01 (Lake Shore Systems, Inc.).
What NSN replaces 2040-01-693-5990?
4 possible matches (shared part number, not a government interchangeability claim): 2040-01-693-6215, 2590-01-693-6252, 2590-01-693-6256. Verify interchangeability with system specifications before substitution.
Is NSN 2040-01-693-5990 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.