PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

41020Hatch,marine

Pompanette Llc · NSN 2040-01-683-8633 · FSC 2040 · No Item Name Available
Verified by PartsTable
NSN 2040-01-683-8633 — this item is cataloged by the U.S. Government under National Stock Number 2040-01-683-8633. Primary manufacturer part number: 41020.
Features
  • Hatch,marine — FSC 2040
  • Opening Length: 489.0 MILLIMETERS NOMINAL MM
  • Opening Width: 256.0 MILLIMETERS NOMINAL MM
  • 1 verified cross-reference
  • Primary manufacturer: Pompanette Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Hatch,marine, cataloged under National Stock Number 2040-01-683-8633, is classified within Federal Supply Class 2040 (No Item Name Available) of the Ship and Marine Equipment group. The primary manufacturer of record is Pompanette Llc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2040-01-683-8633
Primary Part Number41020
Item NameHatch,marine
FSC / FSG2040 / 20 — No Item Name Available
ManufacturerPompanette Llc
StatusACTIVE
Opening Length489.0 MILLIMETERS NOMINAL MM
Opening Width256.0 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
2530-00-276-039648887H INTERCHANGEABLE
Cup,hydraulic Brake Cylinder
Dressta North America Ltd
2540-00-673-2029 INTERCHANGEABLE
Regulator,vehicle Window
5935-00-825-01625316-1 INTERCHANGEABLE
Connector,plug,electrical
Microwave Devices Inc
5940-01-023-64234912642-19 INTERCHANGEABLE
Terminal Board
Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
6210-01-219-3133FA9629-4 INTERCHANGEABLE
Aiming Device
Federal Aviation Administration Dba F a a
7510-01-351-2079 INTERCHANGEABLE
Binding Element,plastic
5895-01-382-6270 INTERCHANGEABLE
Panel,patching,communication
6750-01-418-2622 INTERCHANGEABLE
Bleach,photographic
8465-01-589-090741020 INTERCHANGEABLE
Hydration System
Camelbak Products, Llc Dba Camelbak
5895-01-620-926041020 INTERCHANGEABLE
Divider,power,radio Frequency
Cables to Go
Cross-Reference Index
Part NumberManufacturer
41020 PRIMARY Pompanette Llc (USA)
Related Parts
2530-00-276-0396INTERCHANGEABLE
CUP,HYDRAULIC BRAKE CYLINDER
48887H
2540-00-673-2029INTERCHANGEABLE
REGULATOR,VEHICLE WINDOW
5935-00-825-0162INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5316-1
5940-01-023-6423INTERCHANGEABLE
TERMINAL BOARD
4912642-19
6210-01-219-3133INTERCHANGEABLE
AIMING DEVICE
FA9629-4
7510-01-351-2079INTERCHANGEABLE
BINDING ELEMENT,PLASTIC
5895-01-382-6270INTERCHANGEABLE
PANEL,PATCHING,COMMUNICATION
6750-01-418-2622INTERCHANGEABLE
BLEACH,PHOTOGRAPHIC
8465-01-589-0907INTERCHANGEABLE
HYDRATION SYSTEM
41020
5895-01-620-9260INTERCHANGEABLE
DIVIDER,POWER,RADIO FREQUENCY
41020
5320-01-641-0897INTERCHANGEABLE
RIVET,SOLID
41020

Frequently Asked Questions

What is NSN 2040-01-683-8633?

NSN 2040-01-683-8633 is a Hatch,marine, manufactured by Pompanette Llc, classified under FSC 2040 (No Item Name Available). Status: active.

What are the part numbers for NSN 2040-01-683-8633?

NSN 2040-01-683-8633 has 1 cross-referenced part number: 41020 (Pompanette Llc).

What NSN replaces 2040-01-683-8633?

There are 11 known substitutes for 2040-01-683-8633: 2530-00-276-0396, 2540-00-673-2029, 5935-00-825-0162 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 41020?

Key specifications for 41020: Part Name Assigned by Controlling Agency: INSPECTION HATCH; Opening Length: 489.0 MILLIMETERS NOMINAL MM; Opening Width: 256.0 MILLIMETERS NOMINAL MM; Special Features: RECTANGLE, NON SKID,LOCKING T HANDLE. 4 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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