PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30987Plug,expansion

Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. · NSN 5340-00-274-5235 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-274-5235 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-274-5235. Primary manufacturer part number: 30987.
Features
  • Plug,expansion — FSC 5340
  • Material Thickness: 0.031 INCHES NOMINAL IN
  • Outside Diameter: 0.700 INCHES MINIMUM AND 0.704 INCHES MAXIMUM IN
  • Style Designator: CUP
  • Material Document and Classification: AMS 5042 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5044 ASSN STD SINGLE MATERIAL RESPONSE
  • Material: STEEL
  • Height: 0.313 INCHES NOMINAL IN
  • Surface Treatment: TIN
Applications
  • Applications requiring Steel construction
General Description

The Plug,expansion, cataloged under National Stock Number 5340-00-274-5235, 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 7 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5340-00-274-5235
Primary Part Number30987
Item NamePlug,expansion
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerPratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
StatusACTIVE
Material Thickness0.031 INCHES NOMINAL IN
Outside Diameter0.700 INCHES MINIMUM AND 0.704 INCHES MAXIMUM IN
Style DesignatorCUP
Material Document and ClassificationAMS 5042 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5044 ASSN STD SINGLE MATERIAL RESPONSE
MaterialSTEEL
Height0.313 INCHES NOMINAL IN
Surface TreatmentTIN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
Cup,compression
4820-01-424-374930985CK INTERCHANGEABLE
Parts Kit,valve
Cat Pumps Corp
Cross-Reference Index
Part NumberManufacturer
30987 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
Related Parts
5340-00-275-6130SUCCESSOR
CUP,COMPRESSION
4820-01-424-3749INTERCHANGEABLE
PARTS KIT,VALVE
30985CK

Frequently Asked Questions

What is NSN 5340-00-274-5235?

NSN 5340-00-274-5235 is a Plug,expansion, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-274-5235?

NSN 5340-00-274-5235 has 1 cross-referenced part number: 30987 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).

What NSN replaces 5340-00-274-5235?

There are 2 known substitutes for 5340-00-274-5235: 5340-00-275-6130, 4820-01-424-3749. Verify interchangeability with system specifications before substitution.

What are the specifications of 30987?

Key specifications for 30987: Material Thickness: 0.031 INCHES NOMINAL IN; Outside Diameter: 0.700 INCHES MINIMUM AND 0.704 INCHES MAXIMUM IN; Style Designator: CUP; Material Document and Classification: AMS 5042 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5044 ASSN STD SINGLE MATERIAL RESPONSE. 8 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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