PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

306820Seat,helical Compression Spring

Pdi Ground Support Systems, Inc. · NSN 5340-01-325-2599 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-325-2599 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-325-2599. Primary manufacturer part number: 306820.
Features
  • Seat,helical Compression Spring — FSC 5340
  • FSC Application Data: TRAILER,WATER,DEMINERALIZING
  • 5 verified cross-references
  • Primary manufacturer: Pdi Ground Support Systems, Inc.
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-325-2599, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Pdi Ground Support Systems, Inc.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-325-2599
Primary Part Number306820
Item NameSeat,helical Compression Spring
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerPdi Ground Support Systems, Inc.
StatusCANCELLED
FSC Application DataTRAILER,WATER,DEMINERALIZING
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor5340-00-029-0022 (45603)
HAZMATNo
Unit of IssueEA
Verified Substitutes 7
5340-00-029-002245603 SUCCESSOR
Seat,helical Compression Spring
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
6515-01-596-6547XS04624 SUCCESSOR
Tube,gas Sampling,ventilator
Oridion Capnography, Inc.
5360-00-598-705126114 INTERCHANGEABLE
Spring,helical,extension
Aerol Llc
6620-00-602-204423969 INTERCHANGEABLE
Knife Edge,beam Adj
Honeywell International, Inc Div Aerospace-Tucson
2530-01-083-99407825479 INTERCHANGEABLE
Pump Assembly,power Steering,veh
Linear Motion Llc Div Ugm
6105-01-552-5660829417 INTERCHANGEABLE
Motor,alternating Current
Renk-Maag Gmbh
8040-01-664-735323969 INTERCHANGEABLE
Adhesive
Loctite Corp
Cross-Reference Index
Part NumberManufacturer
306820 Bendix Corp the Brake and Steering Div (USA)
23969 Pdi Ground Support Systems, Inc. (USA)
306820 PRIMARY Pdi Ground Support Systems, Inc. (USA)
8294-17 Pdi Ground Support Systems, Inc. (USA)
306820 Seyer Industries, Inc. Dba Seyer Industries Inc (USA)
Related Parts
SUCCESSOR 5340-00-029-0022 Seat,helical Compression Spring · 45603
6515-01-596-6547SUCCESSOR
TUBE,GAS SAMPLING,VENTILATOR
XS04624
5360-00-598-7051INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
26114
6620-00-602-2044INTERCHANGEABLE
KNIFE EDGE,BEAM ADJ
23969
2530-01-083-9940INTERCHANGEABLE
PUMP ASSEMBLY,POWER STEERING,VEH
7825479
6105-01-552-5660INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
829417
8040-01-664-7353INTERCHANGEABLE
ADHESIVE
23969

Frequently Asked Questions

What is NSN 5340-01-325-2599?

NSN 5340-01-325-2599 is a Seat,helical Compression Spring, manufactured by Pdi Ground Support Systems, Inc., classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-01-325-2599?

NSN 5340-01-325-2599 has 5 cross-referenced part numbers: 306820 (Bendix Corp the Brake and Steering Div), 23969 (Pdi Ground Support Systems, Inc.), 306820 (Pdi Ground Support Systems, Inc.), 8294-17 (Pdi Ground Support Systems, Inc.), 306820 (Seyer Industries, Inc. Dba Seyer Industries Inc).

What NSN replaces 5340-01-325-2599?

There are 7 known substitutes for 5340-01-325-2599: 5340-00-029-0022, 6515-01-596-6547, 5360-00-598-7051 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 306820?

Key specifications for 306820: FSC Application Data: TRAILER,WATER,DEMINERALIZING. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-01-325-2599 still in active supply?

NSN 5340-01-325-2599 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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