PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

UL 112Stepladder

Underwriters Laboratories Inc · NSN 5440-00-227-1593 · FSC 5440 · No Item Name Available
Verified by PartsTable
NSN 5440-00-227-1593 — this item is cataloged by the U.S. Government under National Stock Number 5440-00-227-1593. Primary manufacturer part number: UL 112.
Features
  • Stepladder — FSC 5440
  • Height: 6.000 FEET NOMINAL FT
  • Surface Type: PLAIN
  • Crosspiece Type: STEP
  • Platform Type: BUCKET
  • Material: WOOD
  • 6 verified cross-references
  • Primary manufacturer: Underwriters Laboratories Inc
Applications
  • Applications requiring Wood construction
General Description

The Stepladder, cataloged under National Stock Number 5440-00-227-1593, is classified within Federal Supply Class 5440 (No Item Name Available) of the Prefabricated Structures and Scaffolding group. The primary manufacturer of record is Underwriters Laboratories Inc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5440-00-227-1593
Primary Part NumberUL 112
Item NameStepladder
FSC / FSG5440 / 54 — No Item Name Available
ManufacturerUnderwriters Laboratories Inc
StatusCANCELLED
Height6.000 FEET NOMINAL FT
Surface TypePLAIN
Crosspiece TypeSTEP
Platform TypeBUCKET
MaterialWOOD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5440-00-160-0446 INTERCHANGEABLE
Stepladder
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
5440-00-227-1594 INTERCHANGEABLE
Stepladder
5440-00-227-1595 INTERCHANGEABLE
Stepladder
5440-00-227-1596 INTERCHANGEABLE
Stepladder
Cross-Reference Index
Part NumberManufacturer
UL 112 Underwriters Laboratories Inc (USA)
LLLL62 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
ANSI A14.1 TY 1 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
ANSI A14.1 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
LLL-S-710 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
5440-00-227-1593 National Industries for the Blind (USA)
Related Parts
5440-00-160-0446INTERCHANGEABLE
STEPLADDER
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
5440-00-227-1594INTERCHANGEABLE
STEPLADDER
5440-00-227-1595INTERCHANGEABLE
STEPLADDER
5440-00-227-1596INTERCHANGEABLE
STEPLADDER
5440-00-242-0995INTERCHANGEABLE
LADDER,STRAIGHT
5440-00-242-1000INTERCHANGEABLE
LADDER,EXTENSION

Frequently Asked Questions

What is NSN 5440-00-227-1593?

NSN 5440-00-227-1593 is a Stepladder, manufactured by Underwriters Laboratories Inc, classified under FSC 5440 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5440-00-227-1593?

NSN 5440-00-227-1593 has 6 cross-referenced part numbers: UL 112 (Underwriters Laboratories Inc), LLLL62 (Federal Specifications Promulgated by General Services Administration Washington DC), ANSI A14.1 TY 1 (American National Standards Institute Incorporated Dba American National Standards Institute), ANSI A14.1 (American National Standards Institute Incorporated Dba American National Standards Institute), LLL-S-710 (Federal Specifications Promulgated by General Services Administration Washington DC) and 1 more.

What NSN replaces 5440-00-227-1593?

There are 12 known substitutes for 5440-00-227-1593: 5440-00-160-0446, 5440-00-160-0448, 5440-00-171-9836 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of UL 112?

Key specifications for UL 112: Height: 6.000 FEET NOMINAL FT; Surface Type: PLAIN; Crosspiece Type: STEP; Special Features: INDUSTRIAL, HEAVY DUTY, RATING 250 LBS LBS. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5440-00-227-1593 still in active supply?

NSN 5440-00-227-1593 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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