PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

19A405Spring

Heil Environmental Industries · NSN 5340-00-321-5612 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-321-5612 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-321-5612. Primary manufacturer part number: 19A405.
Features
  • Spring — FSC 5340
  • 2 verified cross-references
  • Primary manufacturer: Heil Environmental Industries
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Spring, cataloged under National Stock Number 5340-00-321-5612, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Heil Environmental Industries. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSpring
FSC / FSG5340 — No Item Name Available (FSG 53)
ManufacturersHeil Environmental Industries (CAGE 27996); General Motors Corp (CAGE 24617)
Technical Specifications
ParameterValue
NSN5340-00-321-5612
Primary Part Number19A405
Item NameSpring
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerHeil Environmental Industries
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
9540-00-575-6403 INTERCHANGEABLE
Beam,structural
4720-01-274-363519A405 INTERCHANGEABLE
Hose Assembly,nonmetallic
Fmc Corp
Cross-Reference Index
Part NumberManufacturer
19A405 PRIMARY Heil Environmental Industries (USA)
606504 PRIMARY General Motors Corp (USA)
Related Parts
9540-00-575-6403INTERCHANGEABLE
BEAM,STRUCTURAL
4720-01-274-3635INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
19A405

Frequently Asked Questions

What is NSN 5340-00-321-5612?

NSN 5340-00-321-5612 is a Spring, manufactured by Heil Environmental Industries, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-321-5612?

NSN 5340-00-321-5612 has 2 cross-referenced part numbers: 19A405 (Heil Environmental Industries), 606504 (General Motors Corp).

What NSN replaces 5340-00-321-5612?

There are 2 known substitutes for 5340-00-321-5612: 9540-00-575-6403, 4720-01-274-3635. Verify interchangeability with system specifications before substitution.

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