PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S349Button,plug

Regal Air, Inc. · NSN 5340-00-769-3169 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-769-3169 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-769-3169. Primary manufacturer part number: S349.
Features
  • Button,plug — FSC 5340
  • Head Height: 0.078 INCHES NOMINAL IN
  • Material: STEEL COMP 1010
  • Surface Treatment: CADMIUM
  • Style Designator: STANDARD
  • Prong Outside Diameter: 0.281 INCHES NOMINAL IN
  • Prong Quantity: 5
  • Hole Accommodation Diameter: 0.250 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Comp 1010 construction
General Description

The Button,plug, cataloged under National Stock Number 5340-00-769-3169, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Regal Air, Inc.. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5340-00-769-3169
Primary Part NumberS349
Item NameButton,plug
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerRegal Air, Inc.
StatusACTIVE
Head Height0.078 INCHES NOMINAL IN
MaterialSTEEL COMP 1010
Surface TreatmentCADMIUM
Style DesignatorSTANDARD
Prong Outside Diameter0.281 INCHES NOMINAL IN
Prong Quantity5
Hole Accommodation Diameter0.250 INCHES NOMINAL IN
Surface Treatment Document and ClassificationQQ-P-416, TYPE 1, CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE
Material Document and ClassificationSAE 1010 ASSN STD SINGLE MATERIAL RESPONSE
Head Outside Diameter0.406 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5340-01-541-8270 (S-34-9)
HAZMATNo
Verified Substitutes 2
5340-01-541-8270S-34-9 SUCCESSOR
Cap,protective,dust and Moisture
American Piledriving Equipment Inc
3110-00-155-66581405 INTERCHANGEABLE
Bearing,ball,annular
Federal-Mogul Corp Government Sales Dept
Cross-Reference Index
Part NumberManufacturer
PMC91-19 Pyramid Machine Corp Div of Transupport Inc (USA)
S349 Cessna Aircraft Company Dba Textron Aviation (USA)
1560-01-183-3 Us Army Aviation and Missile Command (USA)
S349 PRIMARY Regal Air, Inc. (USA)
Related Parts
SUCCESSOR 5340-01-541-8270 Cap,protective,dust and Moisture · S-34-9
3110-00-155-6658INTERCHANGEABLE
BEARING,BALL,ANNULAR
1405

Frequently Asked Questions

What is NSN 5340-00-769-3169?

NSN 5340-00-769-3169 is a Button,plug, manufactured by Regal Air, Inc., classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-769-3169?

NSN 5340-00-769-3169 has 4 cross-referenced part numbers: PMC91-19 (Pyramid Machine Corp Div of Transupport Inc), S349 (Cessna Aircraft Company Dba Textron Aviation), 1560-01-183-3 (Us Army Aviation and Missile Command), S349 (Regal Air, Inc.).

What NSN replaces 5340-00-769-3169?

There are 2 known substitutes for 5340-00-769-3169: 5340-01-541-8270, 3110-00-155-6658. Verify interchangeability with system specifications before substitution.

What are the specifications of S349?

Key specifications for S349: Special Features: FLATTED ONE SIDE TO 0.265 IN. WIDE IN; Head Height: 0.078 INCHES NOMINAL IN; Overall Height: 0.234 INCHES NOMINAL IN; Material: STEEL COMP 1010. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com