The Modification Kit,marine Hardware, cataloged under National Stock Number 2040-01-506-5509, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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.
Technical Specifications
Parameter
Value
NSN
2040-01-506-5509
Item Name
Modification Kit,marine Hardware
FSC / FSG
2040 / 20 — Marine Hardware and Hull Items
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.
2040-01-506-5515JE-538-MK-ATKITPOSSIBLE MATCH
MODIFICATION KIT,MARINE HARDWARE
Possible match (shared part number)Juniper Elbow Co. Inc. Dba Juniper Elbow Co Inc
2040-01-506-55187379216POSSIBLE MATCH
MODIFICATION KIT,MARINE HARDWARE
Possible match (shared part number)Naval Sea Systems Command
2040-01-506-5519JE-538-MK-H-ATKITPOSSIBLE MATCH
MODIFICATION KIT,MARINE HARDWARE
Possible match (shared part number)Juniper Elbow Co. Inc. Dba Juniper Elbow Co Inc
5365-01-513-1259167-7379216 PC 13POSSIBLE MATCH
BUSHING,YOKE
Possible match (shared part number)Naval Sea Systems Command
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
JE-538-MK-H-WTKIT
3/2Design control — primary reference
U.S. Government activity
MACHALT538-167-7379216 ASSY C
5/2Secondary reference
U.S. Government activity
7379216
D/9Drawing number reference only
Naval Sea Systems Command
Related Parts
2040-01-506-5515POSSIBLE MATCH
MODIFICATION KIT,MARINE HARDWARE
JE-538-MK-ATKIT
2040-01-506-5518POSSIBLE MATCH
MODIFICATION KIT,MARINE HARDWARE
7379216
2040-01-506-5519POSSIBLE MATCH
MODIFICATION KIT,MARINE HARDWARE
JE-538-MK-H-ATKIT
5365-01-513-1259POSSIBLE MATCH
BUSHING,YOKE
167-7379216 PC 13
Frequently Asked Questions
What is NSN 2040-01-506-5509?
NSN 2040-01-506-5509 is a Modification Kit,marine Hardware, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
What NSN replaces 2040-01-506-5509?
4 possible matches (shared part number, not a government interchangeability claim): 2040-01-506-5515, 2040-01-506-5518, 2040-01-506-5519. Verify interchangeability with system specifications before substitution.
What are the specifications of 2040-01-506-5509?
Key specifications for 2040-01-506-5509: Special Features: WATERTIGHT DOORS HAVE 2 HINGE ASSEMBLIES AND REQUIRE 2 KITS PER DOOR (ONE KIT PER HINGE ASSEMMBLY); Part Name Assigned by Controlling Agency: HIGH HINGE UPGRADE KIT,WATERTIGHT DOORS. 0 specifications are documented in the U.S. Government catalog.
Is NSN 2040-01-506-5509 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.