PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

518146Seat,helical Compression Spring

Enjet Aero Bloomfield, Llc · NSN 5340-00-757-5698 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-757-5698 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-757-5698. Primary manufacturer part number: 518146.
Features
  • Seat,helical Compression Spring — FSC 5340
  • 3 verified cross-references
  • Primary manufacturer: Enjet Aero Bloomfield, Llc
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-757-5698, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Enjet Aero Bloomfield, Llc. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Catalog Facts
Item NameSeat,helical Compression Spring
FSC / FSG5340 — No Item Name Available (FSG 53)
ManufacturersEnjet Aero Bloomfield, Llc (CAGE 31340); Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (CAGE 77445); Arrow Pneumatics Inc (CAGE 04049)
Successor NSN6515-00-518-5498 — Tube,tracheostomy
Technical Specifications
ParameterValue
NSN5340-00-757-5698
Primary Part Number518146
Item NameSeat,helical Compression Spring
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerEnjet Aero Bloomfield, Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6515-00-518-5498 (51-8146)
HAZMATNo
Unit of IssueEA
Verified Substitutes 1
6515-00-518-549851-8146 SUCCESSOR
Tube,tracheostomy
Pilling Surgical Inc Dba Pilling Weck Div Pilling Instruments
Cross-Reference Index
Part NumberManufacturer
518146 PRIMARY Enjet Aero Bloomfield, Llc (USA)
518146 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
518146 Arrow Pneumatics Inc (USA)
Related Parts
SUCCESSOR 6515-00-518-5498 Tube,tracheostomy · 51-8146

Frequently Asked Questions

What is NSN 5340-00-757-5698?

NSN 5340-00-757-5698 is a Seat,helical Compression Spring, manufactured by Enjet Aero Bloomfield, Llc, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-757-5698?

NSN 5340-00-757-5698 has 3 cross-referenced part numbers: 518146 (Enjet Aero Bloomfield, Llc), 518146 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 518146 (Arrow Pneumatics Inc).

What NSN replaces 5340-00-757-5698?

There is 1 known substitute for 5340-00-757-5698: 6515-00-518-5498. Verify interchangeability with system specifications before substitution.

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