NSN 5440-01-558-3777 · NIIN 015583777 · Part number ATS-6-56
Vestil Manufacturing Corp · FSC 5440 — Scaffolding Equipment and Concrete Forms · FSG 54 — Prefabricated Structures and Scaffolding · CAGE 1UQJ3
Government record, cited
NSN 5440-01-558-3777 — this item is cataloged by the U.S. Government under National Stock Number 5440-01-558-3777. Manufacturer of record part number: ATS-6-56.
Also searched as5440-01-558-3777 ·
5440015583777 ·
NIIN 015583777 ·
01-558-3777 ·
FSC 5440 Scaffolding Equipment and Concrete Forms · CAGE 1UQJ3 · ATS-6-56
Distance From Base to Top Step: 72.000 INCHES NOMINAL IN
Base Overall Length: 53.210 INCHES NOMINAL IN
Opposing Steps: INCLUDED
Material: STEEL
Handrails: INCLUDED
1 manufacturer part number on file
Identification
NSN: 5440-01-558-3777
NIIN: 015583777
FSC: 5440 — Scaffolding Equipment and Concrete Forms
FSG: 54 — Prefabricated Structures and Scaffolding
Primary part number: ATS-6-56
Manufacturer: Vestil Manufacturing Corp
General Description
The Ladder,safety Step, cataloged under National Stock Number 5440-01-558-3777, is classified within Federal Supply Class 5440 (Scaffolding Equipment and Concrete Forms) of the Prefabricated Structures and Scaffolding group. The manufacturer of record is Vestil Manufacturing Corp. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5440-01-558-3777
Primary Part Number
ATS-6-56
Item Name
Ladder,safety Step
FSC / FSG
5440 / 54 — Scaffolding Equipment and Concrete Forms
Other items in FSC 5440 — Scaffolding Equipment and Concrete Forms
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5440-00-001-3982
LADDER,EXTENSION
5440-00-005-7649
5440-00-005-7649 · Item name not on file
5440-00-008-4859
5440-00-008-4859 · Item name not on file
5440-00-009-9848
5440-00-009-9848 · Item name not on file
5440-00-011-2326
5440-00-011-2326 · Item name not on file
5440-00-030-0501
5440-00-030-0501 · Item name not on file
5440-00-035-6037
RAILING,SAFETY
5440-00-035-6039
SCAFFOLD SECTION,STRAIGHT
Frequently Asked Questions
What is NSN 5440-01-558-3777?
NSN 5440-01-558-3777 is a Ladder,safety Step, manufactured by Vestil Manufacturing Corp, classified under FSC 5440, Scaffolding Equipment and Concrete Forms. Status: active.
What part numbers are listed for NSN 5440-01-558-3777?
NSN 5440-01-558-3777 has 1 manufacturer part number on file: ATS-6-56 (Vestil Manufacturing Corp).
What are the specifications of ATS-6-56?
Key specifications for ATS-6-56: Overall Height: 72.000 INCHES NOMINAL IN; Step Quantity: 10; Distance From Base to Top Step: 72.000 INCHES NOMINAL IN; Base Overall Length: 53.210 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.
Is NSN 5440-01-558-3777 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.