PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A31346Plug,expansion

Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. · NSN 5340-00-598-5074 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-598-5074 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-598-5074. Primary manufacturer part number: A31346.
Features
  • Plug,expansion — FSC 5340
  • Style Designator: CONCAVE
  • Material: ALUMINUM ALLOY
  • Material Thickness: 0.064 INCHES NOMINAL IN
  • Outside Diameter: 0.590 INCHES MINIMUM AND 0.595 INCHES MAXIMUM IN
  • Material Document and Classification: AMS 4037 ASSN STD SINGLE MATERIAL RESPONSE
  • Radius: 0.750 INCHES NOMINAL IN
  • 2 verified cross-references
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Plug,expansion, cataloged under National Stock Number 5340-00-598-5074, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-598-5074
Primary Part NumberA31346
Item NamePlug,expansion
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerPratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
StatusCANCELLED
Style DesignatorCONCAVE
MaterialALUMINUM ALLOY
Material Thickness0.064 INCHES NOMINAL IN
Outside Diameter0.590 INCHES MINIMUM AND 0.595 INCHES MAXIMUM IN
Material Document and ClassificationAMS 4037 ASSN STD SINGLE MATERIAL RESPONSE
Radius0.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 5
No Item Name Available
3110-00-144-8556 INTERCHANGEABLE
Bearing,ball,annular
5940-00-665-958034130 INTERCHANGEABLE
Splice,conductor
Te Connectivity Corporation
4820-01-204-8436 INTERCHANGEABLE
Valve,draw
9340-01-413-2225 INTERCHANGEABLE
Window,observation
Cross-Reference Index
Part NumberManufacturer
A31346 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
31346 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
Related Parts
5340-00-598-5514SUCCESSOR
NO ITEM NAME AVAILABLE
3110-00-144-8556INTERCHANGEABLE
BEARING,BALL,ANNULAR
5940-00-665-9580INTERCHANGEABLE
SPLICE,CONDUCTOR
34130
4820-01-204-8436INTERCHANGEABLE
VALVE,DRAW
9340-01-413-2225INTERCHANGEABLE
WINDOW,OBSERVATION

Frequently Asked Questions

What is NSN 5340-00-598-5074?

NSN 5340-00-598-5074 is a Plug,expansion, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-00-598-5074?

NSN 5340-00-598-5074 has 2 cross-referenced part numbers: A31346 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 31346 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).

What NSN replaces 5340-00-598-5074?

There are 5 known substitutes for 5340-00-598-5074: 5340-00-598-5514, 3110-00-144-8556, 5940-00-665-9580 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A31346?

Key specifications for A31346: Style Designator: CONCAVE; Material: ALUMINUM ALLOY; Material Thickness: 0.064 INCHES NOMINAL IN; Outside Diameter: 0.590 INCHES MINIMUM AND 0.595 INCHES MAXIMUM IN. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-598-5074 still in active supply?

NSN 5340-00-598-5074 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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