PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18326Plug,expansion

Rolls-Royce Corporation · NSN 5340-00-598-5535 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-598-5535 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-598-5535. Primary manufacturer part number: 18326.
Features
  • Plug,expansion — FSC 5340
  • Radius: 0.03125 INCHES NOMINAL IN
  • Material Thickness: 0.03275 INCHES NOMINAL IN
  • Outside Diameter: 0.378 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN
  • Material Document and Classification: AMS 5022 ASSN STD SINGLE MATERIAL RESPONSE
  • Material: STEEL COMP 1117
  • Style Designator: TRAPPED CUP
  • Smallest Diameter: 0.372 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN
Applications
  • Applications requiring Steel Comp 1117 construction
General Description

The Plug,expansion, cataloged under National Stock Number 5340-00-598-5535, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rolls-Royce Corporation. Government technical data includes 8 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-598-5535
Primary Part Number18326
Item NamePlug,expansion
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerRolls-Royce Corporation
StatusCANCELLED
Radius0.03125 INCHES NOMINAL IN
Material Thickness0.03275 INCHES NOMINAL IN
Outside Diameter0.378 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN
Material Document and ClassificationAMS 5022 ASSN STD SINGLE MATERIAL RESPONSE
MaterialSTEEL COMP 1117
Style DesignatorTRAPPED CUP
Smallest Diameter0.372 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN
Height0.3125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 5
5315-00-085-4087 INTERCHANGEABLE
Key,woodruff
4820-00-253-908818325 INTERCHANGEABLE
Disk,valve
Provision, Inc. Dba Provision Inc
2010-00-919-4612 INTERCHANGEABLE
Ring,flinger
5999-01-055-02299098-5007-31 INTERCHANGEABLE
Contact,electrical
Tyco Electronics Corp
5133-01-119-3215 INTERCHANGEABLE
Drill,twist
Cross-Reference Index
Part NumberManufacturer
18326 PRIMARY Rolls-Royce Corporation (USA)
18326 Allison Transmission Inc Dba Allison Transmission, Inc (USA)
18326 General Motors Llc Dba General Motors Llc (USA)
18326 General Motors Corp (USA)
Related Parts
5315-00-085-4087INTERCHANGEABLE
KEY,WOODRUFF
4820-00-253-9088INTERCHANGEABLE
DISK,VALVE
18325
2010-00-919-4612INTERCHANGEABLE
RING,FLINGER
5999-01-055-0229INTERCHANGEABLE
CONTACT,ELECTRICAL
9098-5007-31
5133-01-119-3215INTERCHANGEABLE
DRILL,TWIST

Frequently Asked Questions

What is NSN 5340-00-598-5535?

NSN 5340-00-598-5535 is a Plug,expansion, manufactured by Rolls-Royce Corporation, classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-00-598-5535?

NSN 5340-00-598-5535 has 4 cross-referenced part numbers: 18326 (Rolls-Royce Corporation), 18326 (Allison Transmission Inc Dba Allison Transmission, Inc), 18326 (General Motors Llc Dba General Motors Llc), 18326 (General Motors Corp).

What NSN replaces 5340-00-598-5535?

There are 5 known substitutes for 5340-00-598-5535: 5315-00-085-4087, 4820-00-253-9088, 2010-00-919-4612 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18326?

Key specifications for 18326: Radius: 0.03125 INCHES NOMINAL IN; Material Thickness: 0.03275 INCHES NOMINAL IN; Outside Diameter: 0.378 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN; Material Document and Classification: AMS 5022 ASSN STD SINGLE MATERIAL RESPONSE. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-598-5535 still in active supply?

NSN 5340-00-598-5535 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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