PartsTable TECHNICAL DATA SHEET

NSN 2040-01-442-4041Government record, cited

Bracket Left Hand2040-01-442-4041

NSN 2040-01-442-4041 · NIIN 014424041 · Part number 2D3-05656 REV A ITEM NO.21

Lake Shore Systems, Inc. · FSC 2040 — Marine Hardware and Hull Items · FSG 20 — Ship and Marine Equipment · CAGE 34712

Government record, cited

NSN 2040-01-442-4041 — this item is cataloged by the U.S. Government under National Stock Number 2040-01-442-4041. Manufacturer of record part number: 2D3-05656 REV A ITEM NO.21.

Also searched as 2040-01-442-4041 · 2040014424041 · NIIN 014424041 · 01-442-4041 · FSC 2040 Marine Hardware and Hull Items · CAGE 34712 · 2D3-05656 REV A ITEM NO.21 · 2D3-05656 · 2D1-345-2 · PL2D3-05656 REV B ITEM NO.21

Nearby stock numbers ← 2040-01-442-4039 Sheave Bracket Rh · 2040-01-442-4044 Block Latch →

Features

Bracket Left Hand — FSC 2040
Material: STEEL
2 manufacturer part numbers on file
Manufacturer of record: Lake Shore Systems, Inc.

Identification

NSN: 2040-01-442-4041
NIIN: 014424041
FSC: 2040 — Marine Hardware and Hull Items
FSG: 20 — Ship and Marine Equipment
Primary part number: 2D3-05656 REV A ITEM NO.21
Manufacturer: Lake Shore Systems, Inc.

General Description

The Bracket Left Hand, cataloged under National Stock Number 2040-01-442-4041, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Lake Shore Systems, Inc.. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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	2040-01-442-4041
Primary Part Number	2D3-05656 REV A ITEM NO.21
Item Name	Bracket Left Hand
FSC / FSG	2040 / 20 — Marine Hardware and Hull Items
Manufacturer	Lake Shore Systems, Inc.
Status	ACTIVE
Material	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

⇄ Related Items 7

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

2030-01-442-40422D3-05656 REV A ITEM NO.60 POSSIBLE MATCH

SHEAVE BRACKET

Possible match (shared part number)Lake Shore Systems, Inc.

2040-01-442-40442D3-05656 REV A ITEM NO.46 POSSIBLE MATCH

BLOCK LATCH

Possible match (shared part number)Lake Shore Systems, Inc.

2040-01-442-40462D3-05656 REV A ITEM NO.3 POSSIBLE MATCH

SHEAVE BRACKET LH

Possible match (shared part number)Lake Shore Systems, Inc.

5310-01-442-44691075197 POSSIBLE MATCH

NUT,PLAIN,HEXAGON

Possible match (shared part number)The Crosby Group Llc Dba the Crosby Group

2040-01-442-85952D3-05656 REV A ITEM NO. 78 POSSIBLE MATCH

SHAFT,DAVIT

Possible match (shared part number)Lake Shore Systems, Inc.

2040-01-442-85972D3-05656 REV A ITEM NO. 83 POSSIBLE MATCH

ROD,DAVIT BOAT

Possible match (shared part number)Lake Shore Systems, Inc.

2040-01-442-85992D3-05656 REV A ITEM NO. 92 POSSIBLE MATCH

LIMIT SWITCH BRACKE

Possible match (shared part number)Lake Shore Systems, Inc.

Cross-Reference Index

Part Number	Manufacturer
2D3-05656 REV A ITEM NO.21 PRIMARY	Lake Shore Systems, Inc. (USA)
PL2D3-05656 REV B ITEM NO.21	Lake Shore Systems, Inc. (USA)

Reference documents

Reference	Meaning
2D3-05656	D/9 Drawing number reference only Lake Shore Systems, Inc.
2D1-345-2	C/1 Advisory reference — outside the item-of-supply concept Lake Shore Systems, Inc.

Related Parts

2030-01-442-4042POSSIBLE MATCH

SHEAVE BRACKET

2D3-05656 REV A ITEM NO.60

2040-01-442-4044POSSIBLE MATCH

BLOCK LATCH

2D3-05656 REV A ITEM NO.46

2040-01-442-4046POSSIBLE MATCH

SHEAVE BRACKET LH

2D3-05656 REV A ITEM NO.3

5310-01-442-4469POSSIBLE MATCH

NUT,PLAIN,HEXAGON

1075197

2040-01-442-8595POSSIBLE MATCH

SHAFT,DAVIT

2D3-05656 REV A ITEM NO. 78

2040-01-442-8597POSSIBLE MATCH

ROD,DAVIT BOAT

2D3-05656 REV A ITEM NO. 83

2040-01-442-8599POSSIBLE MATCH

LIMIT SWITCH BRACKE

2D3-05656 REV A ITEM NO. 92

Frequently Asked Questions

What is NSN 2040-01-442-4041?

NSN 2040-01-442-4041 is a Bracket Left Hand, manufactured by Lake Shore Systems, Inc., classified under FSC 2040, Marine Hardware and Hull Items. Status: active.

What part numbers are listed for NSN 2040-01-442-4041?

NSN 2040-01-442-4041 has 2 manufacturer part numbers on file: 2D3-05656 REV A ITEM NO.21 (Lake Shore Systems, Inc.), PL2D3-05656 REV B ITEM NO.21 (Lake Shore Systems, Inc.).

What NSN replaces 2040-01-442-4041?

7 possible matches (shared part number, not a government interchangeability claim): 2030-01-442-4042, 2040-01-442-4044, 2040-01-442-4046. Verify interchangeability with system specifications before substitution.

What are the specifications of 2D3-05656 REV A ITEM NO.21?

Key specifications for 2D3-05656 REV A ITEM NO.21: End Item Identification: DAVIT,BOAT; Material: STEEL. 1 specification is documented in the U.S. Government catalog.

Is NSN 2040-01-442-4041 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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