PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16503Ladder,extension

Atlas Devices, Llc Div Atlas Devices · NSN 5440-01-729-7664 · FSC 5440 · No Item Name Available
Verified by PartsTable
NSN 5440-01-729-7664 — this item is cataloged by the U.S. Government under National Stock Number 5440-01-729-7664. Primary manufacturer part number: 16503.
Features
  • Ladder,extension — FSC 5440
  • 1 verified cross-reference
  • Primary manufacturer: Atlas Devices, Llc Div Atlas Devices
Applications
  • Construction site scaffolding
  • Facility repair and renovation
  • Bridge and road infrastructure
General Description

The Ladder,extension, cataloged under National Stock Number 5440-01-729-7664, is classified within Federal Supply Class 5440 (No Item Name Available) of the Prefabricated Structures and Scaffolding group. The primary manufacturer of record is Atlas Devices, Llc Div Atlas Devices. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameLadder,extension
FSC / FSG5440 — No Item Name Available (FSG 54)
ManufacturersAtlas Devices, Llc Div Atlas Devices (CAGE 44T26)
Technical Specifications
ParameterValue
NSN5440-01-729-7664
Primary Part Number16503
Item NameLadder,extension
FSC / FSG5440 / 54 — No Item Name Available
ManufacturerAtlas Devices, Llc Div Atlas Devices
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5330-00-383-198516503 INTERCHANGEABLE
Gasket
Johnson Controls, Inc Div Building Efficiency
5310-00-630-5006A16503 INTERCHANGEABLE
Nut,plain,square
Aerocontrolex Group, Inc. Div Talley Actuators
3040-00-834-108516503 INTERCHANGEABLE
Shaft,shouldered
Terex Reedrill Dba Reedrill Texoma Div Terex Mining
5998-01-118-1691 INTERCHANGEABLE
Electronic Components Assembly
5330-01-126-096516-503 INTERCHANGEABLE
Gasket
Rix Industries
4820-01-218-6680165-03 INTERCHANGEABLE
Seat,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
6515-01-589-787160.240.205 INTERCHANGEABLE
Rack,bone Plating Instruments
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
7025-01-616-484316503 INTERCHANGEABLE
Interface Unit,data Transfer
Extreme Networks, Inc
Cross-Reference Index
Part NumberManufacturer
16503 PRIMARY Atlas Devices, Llc Div Atlas Devices (USA)
Related Parts
5330-00-383-1985INTERCHANGEABLE
GASKET
16503
5310-00-630-5006INTERCHANGEABLE
NUT,PLAIN,SQUARE
A16503
3040-00-834-1085INTERCHANGEABLE
SHAFT,SHOULDERED
16503
5998-01-118-1691INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
5330-01-126-0965INTERCHANGEABLE
GASKET
16-503
4820-01-218-6680INTERCHANGEABLE
SEAT,VALVE
165-03
6515-01-589-7871INTERCHANGEABLE
RACK,BONE PLATING INSTRUMENTS
60.240.205
7025-01-616-4843INTERCHANGEABLE
INTERFACE UNIT,DATA TRANSFER
16503

Frequently Asked Questions

What is NSN 5440-01-729-7664?

NSN 5440-01-729-7664 is a Ladder,extension, manufactured by Atlas Devices, Llc Div Atlas Devices, classified under FSC 5440 (No Item Name Available). Status: active.

What are the part numbers for NSN 5440-01-729-7664?

NSN 5440-01-729-7664 has 1 cross-referenced part number: 16503 (Atlas Devices, Llc Div Atlas Devices).

What NSN replaces 5440-01-729-7664?

There are 8 known substitutes for 5440-01-729-7664: 5330-00-383-1985, 5310-00-630-5006, 3040-00-834-1085 and 5 more. Verify interchangeability with system specifications before substitution.

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