Level Semi-Circular2040-01-056-5231

NSN 2040-01-056-5231 · NIIN 010565231

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

Government record, cited

Also searched as 2040-01-056-5231 · 2040010565231 · NIIN 010565231 · 01-056-5231 · FSC 2040 Marine Hardware and Hull Items · SK91091L1 · 6139001 FIND 5

Nearby stock numbers ← 2040-01-056-5230 · 2040-01-056-5232 Connecting Kit, External Spudwell →

Features

Level Semi-Circular — FSC 2040
General Characteristics Item Description: 3 IN. LG FEATHER LINE LEVEL,BAR .5 IN. BY .5 IN. BY 33.375 IN. IN

Identification

NSN: 2040-01-056-5231
NIIN: 010565231
FSC: 2040 — Marine Hardware and Hull Items
FSG: 20 — Ship and Marine Equipment

General Description

The Level Semi-Circular, cataloged under National Stock Number 2040-01-056-5231, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	2040-01-056-5231
Item Name	Level Semi-Circular
FSC / FSG	2040 / 20 — Marine Hardware and Hull Items
Status	ACTIVE
General Characteristics Item Description	3 IN. LG FEATHER LINE LEVEL,BAR .5 IN. BY .5 IN. BY 33.375 IN. IN

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
SK91091L1	3/2 Design control — primary reference U.S. Government activity
6139001 FIND 5	5/2 Secondary reference U.S. Government activity

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.

2040-00-030-8331

LENS ASSEMBLY,PERIS

2040-00-349-6785

2040-00-349-6785 · Item name not on file

2040-00-361-3924

2040-00-361-3924 · Item name not on file

2040-00-368-5901

2040-00-368-5901 · Item name not on file

2040-00-385-8796

BOX,STUFFING

2040-00-385-9234

2040-00-385-9234 · Item name not on file

2040-00-391-4442

FAIRWATER

2040-00-393-3850

STRAINER,INTAKE

Frequently Asked Questions

What is NSN 2040-01-056-5231?

NSN 2040-01-056-5231 is a Level Semi-Circular, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.

What are the specifications of 2040-01-056-5231?

Key specifications for 2040-01-056-5231: General Characteristics Item Description: 3 IN. LG FEATHER LINE LEVEL,BAR .5 IN. BY .5 IN. BY 33.375 IN. IN. 1 specification is documented in the U.S. Government catalog.

Is NSN 2040-01-056-5231 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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