PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

520021-2Stop,mechanical

Naval Air Warfare Center Aircraft Division Joint Base Jbmdl · NSN 5340-01-343-8985 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-343-8985 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-343-8985. Primary manufacturer part number: 520021-2.
Features
  • Stop,mechanical — FSC 5340
  • Material: STEEL
  • Design Type: FLANGE
  • Flange Thickness: 1.000 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Naval Air Warfare Center Aircraft Division Joint Base Jbmdl
Applications
  • Applications requiring Steel construction
General Description

The Stop,mechanical, cataloged under National Stock Number 5340-01-343-8985, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Air Warfare Center Aircraft Division Joint Base Jbmdl. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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.

Technical Specifications
ParameterValue
NSN5340-01-343-8985
Primary Part Number520021-2
Item NameStop,mechanical
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerNaval Air Warfare Center Aircraft Division Joint Base Jbmdl
StatusACTIVE
MaterialSTEEL
Design TypeFLANGE
Flange Thickness1.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 1
7025-01-060-70505200-212 INTERCHANGEABLE
Guide,cover,paper
Raytheon Company Div Rmd Strategic
Cross-Reference Index
Part NumberManufacturer
520021-2 PRIMARY Naval Air Warfare Center Aircraft Division Joint Base Jbmdl (USA)
Related Parts
7025-01-060-7050INTERCHANGEABLE
GUIDE,COVER,PAPER
5200-212

Frequently Asked Questions

What is NSN 5340-01-343-8985?

NSN 5340-01-343-8985 is a Stop,mechanical, manufactured by Naval Air Warfare Center Aircraft Division Joint Base Jbmdl, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-343-8985?

NSN 5340-01-343-8985 has 1 cross-referenced part number: 520021-2 (Naval Air Warfare Center Aircraft Division Joint Base Jbmdl).

What NSN replaces 5340-01-343-8985?

There is 1 known substitute for 5340-01-343-8985: 7025-01-060-7050. Verify interchangeability with system specifications before substitution.

What are the specifications of 520021-2?

Key specifications for 520021-2: Material: STEEL; End Item Identification: TYPE C MARK 13 MOD 2 STEAM CATAPULT; Overall Length: 26.000 INCHES NOMINAL IN; Design Type: FLANGE. 6 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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