PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18LL51446MARK4Anchor,marine,fluked

Danforths Anchors · NSN 2040-00-272-2402 · FSC 2040 · No Item Name Available
Verified by PartsTable
NSN 2040-00-272-2402 — this item is cataloged by the U.S. Government under National Stock Number 2040-00-272-2402. Primary manufacturer part number: 18LL51446MARK4.
Features
  • Anchor,marine,fluked — FSC 2040
  • Construction Method and Location: FABRICATED FLUKES
  • Stock Design: FIXED
  • Fluke Hole: NOT INCLUDED
  • Stock Overall Length: 26.812 INCHES NOMINAL IN
  • Material: STEEL
  • Surface Treatment: ZINC
  • Construction Method and Location: FORGED SHANK
Applications
  • Applications requiring Steel construction
General Description

The Anchor,marine,fluked, cataloged under National Stock Number 2040-00-272-2402, is classified within Federal Supply Class 2040 (No Item Name Available) of the Ship and Marine Equipment group. The primary manufacturer of record is Danforths Anchors. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references 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
NSN2040-00-272-2402
Primary Part Number18LL51446MARK4
Item NameAnchor,marine,fluked
FSC / FSG2040 / 20 — No Item Name Available
ManufacturerDanforths Anchors
StatusACTIVE
Construction Method and LocationFABRICATED FLUKES
Stock DesignFIXED
Fluke HoleNOT INCLUDED
Stock Overall Length26.812 INCHES NOMINAL IN
MaterialSTEEL
Surface TreatmentZINC
Construction Method and LocationFORGED SHANK
Construction Method and LocationFABRICATED STOCK
Shank Length From Stock Centerline to Shackle Pin Hole Centerline30.688 INCHES NOMINAL IN
Fluke Length From Stock Centerline to Tip19.062 INCHES NOMINAL IN
Fluke DesignSWINGING
Balancing BandNOT INCLUDED
ShackleNOT INCLUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4020-00-080-9807 INTERCHANGEABLE
Tape,lacing and Tying
5940-00-159-0425 INTERCHANGEABLE
Splice,conductor
4730-00-278-2523 INTERCHANGEABLE
Clamp,hose
5120-00-540-4273HSF-20H INTERCHANGEABLE
Face,hammer,inserted
Williams J H Industrial Products Inc
5961-00-839-9413 INTERCHANGEABLE
Semiconductor Device,diode
4020-00-900-09861856029-1 INTERCHANGEABLE
Tape,lacing and Tying
Honeywell International Inc. Dba Honeywell International
4720-00-997-8731100R3-20 INTERCHANGEABLE
Hose,nonmetallic
Sae International Dba Sae International
5120-01-395-813620H INTERCHANGEABLE
Face,hammer,inserted
Nupla Corporation
5810-01-575-3504 INTERCHANGEABLE
Security Data System
4020-01-590-7766 INTERCHANGEABLE
Tape,lacing and Tying
Cross-Reference Index
Part NumberManufacturer
18LL51446MARK4 Danforths Anchors (USA)
18LL51446 Danforths Anchors (USA)
20H Danforths Anchors (USA)
18LL5146 Danforths Anchors (USA)
Related Parts
4020-00-080-9807INTERCHANGEABLE
TAPE,LACING AND TYING
5940-00-159-0425INTERCHANGEABLE
SPLICE,CONDUCTOR
4730-00-278-2523INTERCHANGEABLE
CLAMP,HOSE
5120-00-540-4273INTERCHANGEABLE
FACE,HAMMER,INSERTED
HSF-20H
5961-00-839-9413INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
4020-00-900-0986INTERCHANGEABLE
TAPE,LACING AND TYING
1856029-1
4720-00-997-8731INTERCHANGEABLE
HOSE,NONMETALLIC
100R3-20
5120-01-395-8136INTERCHANGEABLE
FACE,HAMMER,INSERTED
20H
5810-01-575-3504INTERCHANGEABLE
SECURITY DATA SYSTEM
4020-01-590-7766INTERCHANGEABLE
TAPE,LACING AND TYING
5999-01-648-7021INTERCHANGEABLE
CLAMP,ELECTRICAL
20H

Frequently Asked Questions

What is NSN 2040-00-272-2402?

NSN 2040-00-272-2402 is a Anchor,marine,fluked, manufactured by Danforths Anchors, classified under FSC 2040 (No Item Name Available). Status: active.

What are the part numbers for NSN 2040-00-272-2402?

NSN 2040-00-272-2402 has 4 cross-referenced part numbers: 18LL51446MARK4 (Danforths Anchors), 18LL51446 (Danforths Anchors), 20H (Danforths Anchors), 18LL5146 (Danforths Anchors).

What NSN replaces 2040-00-272-2402?

There are 11 known substitutes for 2040-00-272-2402: 4020-00-080-9807, 5940-00-159-0425, 4730-00-278-2523 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18LL51446MARK4?

Key specifications for 18LL51446MARK4: Construction Method and Location: FABRICATED FLUKES; Stock Design: FIXED; Weight: 18.000 POUNDS NOMINAL LBS; Fluke Hole: NOT INCLUDED. 14 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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