NSN 2040-01-656-4039 · NIIN 016564039 · Part number 2406-0003
Sheffield Machine Tool Co · FSC 2040 — Marine Hardware and Hull Items · FSG 20 — Ship and Marine Equipment · CAGE 64749
Government record, cited
NSN 2040-01-656-4039 — this item is cataloged by the U.S. Government under National Stock Number 2040-01-656-4039. Manufacturer of record part number: 2406-0003.
Also searched as2040-01-656-4039 ·
2040016564039 ·
NIIN 016564039 ·
01-656-4039 ·
FSC 2040 Marine Hardware and Hull Items · CAGE 64749 · 2406-0003
Nearby stock numbers← 2040-01-656-2770 Extension, Control Stick, Navigati
·
2040-01-656-4488 Damper, Air Duct →
Features
Cover,hatch — FSC 2040
Overall Diameter: 22.400 INCHES NOMINAL IN
Shape: ROUND
Material: ALUMINUM
1 manufacturer part number on file
Manufacturer of record: Sheffield Machine Tool Co
Identification
NSN: 2040-01-656-4039
NIIN: 016564039
FSC: 2040 — Marine Hardware and Hull Items
FSG: 20 — Ship and Marine Equipment
Primary part number: 2406-0003
Manufacturer: Sheffield Machine Tool Co
General Description
The Cover,hatch, cataloged under National Stock Number 2040-01-656-4039, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Sheffield Machine Tool Co. Government technical data includes 3 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. Current acquisition status: Active.
Other items in FSC 2040 — Marine Hardware and Hull Items
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2040-00-003-6975
ROLLER,CHOCK
2040-00-004-4739
2040-00-004-4739 · Item name not on file
2040-00-007-1136
HOOK,BOAT
2040-00-008-4790
PLATE,RUDDER
2040-00-008-4792
KEEL COOLER
2040-00-008-9796
PIN,PUSHING KNEE ASSEMBLY
2040-00-008-9797
GRATING ASSEMBLY,FORWARD PORT
2040-00-008-9798
GRATING ASSEMBLY,FORWARD STARBOA
Frequently Asked Questions
What is NSN 2040-01-656-4039?
NSN 2040-01-656-4039 is a Cover,hatch, manufactured by Sheffield Machine Tool Co, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
What part numbers are listed for NSN 2040-01-656-4039?
NSN 2040-01-656-4039 has 1 manufacturer part number on file: 2406-0003 (Sheffield Machine Tool Co).
What are the specifications of 2406-0003?
Key specifications for 2406-0003: Overall Height: 6.500 INCHES NOMINAL IN; Overall Diameter: 22.400 INCHES NOMINAL IN; Shape: ROUND; Special Features: CLEAR OPENING IS 19.800". 3 specifications are documented in the U.S. Government catalog.
Is NSN 2040-01-656-4039 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.