NSN 4240-01-583-5993 · NIIN 015835993 · Part number JT31SS
Mazzella Lifting Technologies, Inc. · FSC 4240 — Safety and Rescue Equipment · FSG 42 — Fire Fighting, Rescue, and Safety Equipment · CAGE 8D826
Government record, cited
NSN 4240-01-583-5993 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-583-5993. Manufacturer of record part number: JT31SS.
Also searched as4240-01-583-5993 ·
4240015835993 ·
NIIN 015835993 ·
01-583-5993 ·
FSC 4240 Safety and Rescue Equipment · CAGE 8D826 · JT31SS
FSG: 42 — Fire Fighting, Rescue, and Safety Equipment
Primary part number: JT31SS
Manufacturer: Mazzella Lifting Technologies, Inc.
General Description
The Ladder,escape, cataloged under National Stock Number 4240-01-583-5993, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Mazzella Lifting Technologies, Inc.. 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
4240-01-583-5993
Primary Part Number
JT31SS
Item Name
Ladder,escape
FSC / FSG
4240 / 42 — Safety and Rescue Equipment
Manufacturer
Mazzella Lifting Technologies, Inc.
Status
ACTIVE
Crosspiece Length
9.000 INCHES NOMINAL IN
Design Type
COLLAPSIBLE
Safety Shoes
NOT INCLUDED
Crosspiece Type and Quantity
29 RUNG
Side Rail Length
360.000 INCHES NOMINAL IN
Material
ALUMINUM ALLOY RUNG
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Other items in FSC 4240 — Safety and Rescue Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4240-00-001-1515
4240-00-001-1515 · Item name not on file
4240-00-001-2684
4240-00-001-2684 · Item name not on file
4240-00-006-0022
HOSE,EVACUATION
4240-00-007-4576
4240-00-007-4576 · Item name not on file
4240-00-007-8182
4240-00-007-8182 · Item name not on file
4240-00-007-8183
4240-00-007-8183 · Item name not on file
4240-00-007-8184
4240-00-007-8184 · Item name not on file
4240-00-007-8185
4240-00-007-8185 · Item name not on file
Frequently Asked Questions
What is NSN 4240-01-583-5993?
NSN 4240-01-583-5993 is a Ladder,escape, manufactured by Mazzella Lifting Technologies, Inc., classified under FSC 4240, Safety and Rescue Equipment. Status: active.
What part numbers are listed for NSN 4240-01-583-5993?
NSN 4240-01-583-5993 has 1 manufacturer part number on file: JT31SS (Mazzella Lifting Technologies, Inc.).
What are the specifications of JT31SS?
Key specifications for JT31SS: Crosspiece Length: 9.000 INCHES NOMINAL IN; Design Type: COLLAPSIBLE; Safety Shoes: NOT INCLUDED; Crosspiece Type and Quantity: 29 RUNG. 6 specifications are documented in the U.S. Government catalog.
Is NSN 4240-01-583-5993 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). 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.