NSN 2040-01-491-4656 · NIIN 014914656 · Part number 123-4498184 PART 64
Naval Sea Systems Command · FSC 2040 — Marine Hardware and Hull Items · FSG 20 — Ship and Marine Equipment · CAGE 53711
Government record, cited
NSN 2040-01-491-4656 — this item is cataloged by the U.S. Government under National Stock Number 2040-01-491-4656. Manufacturer of record part number: 123-4498184 PART 64.
Also searched as2040-01-491-4656 ·
2040014914656 ·
NIIN 014914656 ·
01-491-4656 ·
FSC 2040 Marine Hardware and Hull Items · CAGE 53711 · 123-4498184 PART 64 · 122-4493900 · 123-4498184 · 122-4493900 PART 15
Mounting Facility Diameter: 1.125 INCHES NOMINAL IN
Mounting Facility Quantity: 1
Handle Height: 1.812 INCHES NOMINAL IN
Mounting Method: BOLT
Style Designator: STRAIGHT
Handle Clearance: 1.062 INCHES NOMINAL IN
Mounting Facility Width: 0.906 INCHES MINIMUM AND 0.909 INCHES MAXIMUM IN
Identification
NSN: 2040-01-491-4656
NIIN: 014914656
FSC: 2040 — Marine Hardware and Hull Items
FSG: 20 — Ship and Marine Equipment
Primary part number: 123-4498184 PART 64
Manufacturer: Naval Sea Systems Command
General Description
The Handle,door, cataloged under National Stock Number 2040-01-491-4656, 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 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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
2040-01-491-4656
Primary Part Number
123-4498184 PART 64
Item Name
Handle,door
FSC / FSG
2040 / 20 — Marine Hardware and Hull Items
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Mounting Facility Diameter
1.125 INCHES NOMINAL IN
Mounting Facility Quantity
1
Handle Height
1.812 INCHES NOMINAL IN
Mounting Method
BOLT
Style Designator
STRAIGHT
Handle Clearance
1.062 INCHES NOMINAL IN
Mounting Facility Width
0.906 INCHES MINIMUM AND 0.909 INCHES MAXIMUM IN
Head Diameter
1.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL B — Remove Demilitarization Key Points
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
2040-01-491-4750123-4498184 PART 15POSSIBLE MATCH
DOG,DOOR,MARINE
Possible match (shared part number)Naval Sea Systems Command
2040-01-491-4776123-4498184 PART 59POSSIBLE MATCH
DOG,DOOR,MARINE
Possible match (shared part number)Naval Sea Systems Command
2040-01-491-4782JE8184-71POSSIBLE MATCH
DOG,DOOR,MARINE
Possible match (shared part number)Juniper Elbow Co. Inc. Dba Juniper Elbow Co Inc
2040-01-491-4946123-4498184 PART 16POSSIBLE MATCH
DOG SLEEVE
Possible match (shared part number)Naval Sea Systems Command
2040-01-491-4949123-4498184 PART 60POSSIBLE MATCH
DOG SLEEVE
Possible match (shared part number)Naval Sea Systems Command
2040-01-491-4969123-4498184 PART 72POSSIBLE MATCH
DOG SLEEVE
Possible match (shared part number)Naval Sea Systems Command
2040-01-491-5017122-4493900 PART 13POSSIBLE MATCH
PLUNGER,PACKING
Possible match (shared part number)Naval Sea Systems Command
NSN 2040-01-491-4656 is a Handle,door, manufactured by Naval Sea Systems Command, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
What part numbers are listed for NSN 2040-01-491-4656?
NSN 2040-01-491-4656 has 2 manufacturer part numbers on file: 123-4498184 PART 64 (Naval Sea Systems Command), 122-4493900 PART 15 (Naval Sea Systems Command).
What NSN replaces 2040-01-491-4656?
7 possible matches (shared part number, not a government interchangeability claim): 2040-01-491-4750, 2040-01-491-4776, 2040-01-491-4782. Verify interchangeability with system specifications before substitution.
What are the specifications of 123-4498184 PART 64?
Key specifications for 123-4498184 PART 64: Mounting Facility Diameter: 1.125 INCHES NOMINAL IN; Mounting Facility Quantity: 1; Handle Height: 1.812 INCHES NOMINAL IN; Mounting Method: BOLT. 8 specifications are documented in the U.S. Government catalog.
Is NSN 2040-01-491-4656 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.
What is the DEMIL code for NSN 2040-01-491-4656?
NSN 2040-01-491-4656 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.