Cover, Hatch2040-01-659-2437

NSN 2040-01-659-2437 · NIIN 016592437

FSC 2040 — Marine Hardware and Hull Items · FSG 20 — Ship and Marine Equipment

Government record, cited

Also searched as 2040-01-659-2437 · 2040016592437 · NIIN 016592437 · 01-659-2437 · FSC 2040 Marine Hardware and Hull Items

Nearby stock numbers ← 2040-01-659-1523 Hinge Assembly, Marine Structural · 2040-01-659-3448 Clamp, Fibrous Cord →

Features

Cover,hatch — FSC 2040
Shape: ROUND
Material: ALUMINUM AND STEEL

Identification

NSN: 2040-01-659-2437
NIIN: 016592437
FSC: 2040 — Marine Hardware and Hull Items
FSG: 20 — Ship and Marine Equipment

General Description

The Cover,hatch, cataloged under National Stock Number 2040-01-659-2437, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	2040-01-659-2437
Item Name	Cover,hatch
FSC / FSG	2040 / 20 — Marine Hardware and Hull Items
Status	ACTIVE
Shape	ROUND
Material	ALUMINUM AND STEEL

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

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
BFHRTH8A/S	3/9 Design control — primary reference Baier Marine Company, Inc.

No interchangeability data on file.

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 2040-01-659-2437?

NSN 2040-01-659-2437 is a Cover,hatch, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.

What are the specifications of 2040-01-659-2437?

Key specifications for 2040-01-659-2437: Shape: ROUND; Overall Length: 8.00 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: FLUSH HATCH,BAIER; Material: ALUMINUM AND STEEL. 2 specifications are documented in the U.S. Government catalog.

Is NSN 2040-01-659-2437 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.

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