PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31-0-84Ladder,straight

Hdt Expeditionary Systems Inc · NSN 5440-01-555-9408 · FSC 5440 · No Item Name Available
Verified by PartsTable
NSN 5440-01-555-9408 — this item is cataloged by the U.S. Government under National Stock Number 5440-01-555-9408. Primary manufacturer part number: 31-0-84.
Features
  • Ladder,straight — FSC 5440
  • 3 verified cross-references
  • Primary manufacturer: Hdt Expeditionary Systems Inc
Applications
  • Construction site scaffolding
  • Facility repair and renovation
  • Bridge and road infrastructure
General Description

The Ladder,straight, cataloged under National Stock Number 5440-01-555-9408, is classified within Federal Supply Class 5440 (No Item Name Available) of the Prefabricated Structures and Scaffolding group. The primary manufacturer of record is Hdt Expeditionary Systems Inc. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5440-01-555-9408
Primary Part Number31-0-84
Item NameLadder,straight
FSC / FSG5440 / 54 — No Item Name Available
ManufacturerHdt Expeditionary Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5120-00-081-908515A INTERCHANGEABLE
Wrench,open End
Martin Sprocket and Gear Inc
6625-00-305-2373 INTERCHANGEABLE
Socket Assembly
2530-00-420-4412128135R1 INTERCHANGEABLE
Spring
Navistar Intl Corp Truck Br Ohio Plant
5330-00-428-2162QD635 INTERCHANGEABLE
Gasket
Wisconsin Motors, Llc
5310-00-701-489111A2179 INTERCHANGEABLE
Washer,flat
Napco International Llc Dba Napco International Inc
4510-01-568-267731084 INTERCHANGEABLE
Toilet,recreational Vehicle
Thetford Corp
Cross-Reference Index
Part NumberManufacturer
31-0-84 Drs Environmental Systems Inc (USA)
31-0-84 PRIMARY Hdt Expeditionary Systems Inc (USA)
31-0-84 Drs Environmental Systems, Inc. Dba Drs Technologies (USA)
Related Parts
5120-00-081-9085INTERCHANGEABLE
WRENCH,OPEN END
15A
6625-00-305-2373INTERCHANGEABLE
SOCKET ASSEMBLY
2530-00-420-4412INTERCHANGEABLE
SPRING
128135R1
5330-00-428-2162INTERCHANGEABLE
GASKET
QD635
5310-00-701-4891INTERCHANGEABLE
WASHER,FLAT
11A2179
4510-01-568-2677INTERCHANGEABLE
TOILET,RECREATIONAL VEHICLE
31084

Frequently Asked Questions

What is NSN 5440-01-555-9408?

NSN 5440-01-555-9408 is a Ladder,straight, manufactured by Hdt Expeditionary Systems Inc, classified under FSC 5440 (No Item Name Available). Status: active.

What are the part numbers for NSN 5440-01-555-9408?

NSN 5440-01-555-9408 has 3 cross-referenced part numbers: 31-0-84 (Drs Environmental Systems Inc), 31-0-84 (Hdt Expeditionary Systems Inc), 31-0-84 (Drs Environmental Systems, Inc. Dba Drs Technologies).

What NSN replaces 5440-01-555-9408?

There are 6 known substitutes for 5440-01-555-9408: 5120-00-081-9085, 6625-00-305-2373, 2530-00-420-4412 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31-0-84?

Key specifications for 31-0-84: Special Features: COMPANY NAME STAIR STEP ASSY. 1 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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