PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ANSI A14.1 TY1Ladder,extension

American National Standards Institute Incorporated Dba American National Standards Institute · NSN 5440-00-242-1000 · FSC 5440 · No Item Name Available
Verified by PartsTable
NSN 5440-00-242-1000 — this item is cataloged by the U.S. Government under National Stock Number 5440-00-242-1000. Primary manufacturer part number: ANSI A14.1 TY1.
Features
  • Ladder,extension — FSC 5440
  • Length: 24.000 FEET NOMINAL FT
  • Surface Type: PLAIN
  • Section Quantity: 2
  • Material: WOOD
  • Crosspiece Type: RUNG
  • 6 verified cross-references
  • Primary manufacturer: American National Standards Institute Incorporated Dba American National Standards Institute
Applications
  • Applications requiring Wood construction
General Description

The Ladder,extension, cataloged under National Stock Number 5440-00-242-1000, is classified within Federal Supply Class 5440 (No Item Name Available) of the Prefabricated Structures and Scaffolding group. The primary manufacturer of record is American National Standards Institute Incorporated Dba American National Standards Institute. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5440-00-242-1000
Primary Part NumberANSI A14.1 TY1
Item NameLadder,extension
FSC / FSG5440 / 54 — No Item Name Available
ManufacturerAmerican National Standards Institute Incorporated Dba American National Standards Institute
StatusACTIVE
Length24.000 FEET NOMINAL FT
Surface TypePLAIN
Section Quantity2
MaterialWOOD
Crosspiece TypeRUNG
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5440-00-160-0448 INTERCHANGEABLE
Ladder,extension
5440-00-171-9836 INTERCHANGEABLE
Stepladder
5440-00-223-6025 INTERCHANGEABLE
Ladder,extension
5440-00-223-6026 INTERCHANGEABLE
Ladder,extension
5440-00-223-6027 INTERCHANGEABLE
Ladder,extension
5440-00-227-1592 INTERCHANGEABLE
Stepladder
5440-00-227-1593 INTERCHANGEABLE
Stepladder
5440-00-227-1594 INTERCHANGEABLE
Stepladder
5440-00-227-1595 INTERCHANGEABLE
Stepladder
5440-00-227-1596 INTERCHANGEABLE
Stepladder
Cross-Reference Index
Part NumberManufacturer
ANSI A14.1 TY1 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
UL112 Underwriters Laboratories Inc (USA)
A-A-1997 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
LLL-L-51 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
5440-00-242-1000 National Industries for the Blind (USA)
ANSI A14.1 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
Related Parts
5440-00-160-0448INTERCHANGEABLE
LADDER,EXTENSION
5440-00-171-9836INTERCHANGEABLE
STEPLADDER
5440-00-223-6025INTERCHANGEABLE
LADDER,EXTENSION
5440-00-223-6026INTERCHANGEABLE
LADDER,EXTENSION
5440-00-223-6027INTERCHANGEABLE
LADDER,EXTENSION
5440-00-227-1592INTERCHANGEABLE
STEPLADDER
5440-00-227-1593INTERCHANGEABLE
STEPLADDER
5440-00-227-1594INTERCHANGEABLE
STEPLADDER
5440-00-227-1595INTERCHANGEABLE
STEPLADDER
5440-00-227-1596INTERCHANGEABLE
STEPLADDER
5440-00-242-0995INTERCHANGEABLE
LADDER,STRAIGHT
5440-00-242-7151INTERCHANGEABLE
LADDER,STRAIGHT

Frequently Asked Questions

What is NSN 5440-00-242-1000?

NSN 5440-00-242-1000 is a Ladder,extension, manufactured by American National Standards Institute Incorporated Dba American National Standards Institute, classified under FSC 5440 (No Item Name Available). Status: active.

What are the part numbers for NSN 5440-00-242-1000?

NSN 5440-00-242-1000 has 6 cross-referenced part numbers: ANSI A14.1 TY1 (American National Standards Institute Incorporated Dba American National Standards Institute), UL112 (Underwriters Laboratories Inc), A-A-1997 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), LLL-L-51 (Federal Specifications Promulgated by General Services Administration Washington DC), 5440-00-242-1000 (National Industries for the Blind) and 1 more.

What NSN replaces 5440-00-242-1000?

There are 12 known substitutes for 5440-00-242-1000: 5440-00-160-0448, 5440-00-171-9836, 5440-00-223-6025 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ANSI A14.1 TY1?

Key specifications for ANSI A14.1 TY1: Length: 24.000 FEET NOMINAL FT; Surface Type: PLAIN; Section Quantity: 2; Material: WOOD. 6 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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