PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P-4Plug Assembly,sealing

Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec · NSN 5340-01-568-7643 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-568-7643 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-568-7643. Primary manufacturer part number: P-4.
Features
  • Plug Assembly,sealing — FSC 5340
  • 1 verified cross-reference
  • Primary manufacturer: Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Plug Assembly,sealing, cataloged under National Stock Number 5340-01-568-7643, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec. 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.

Technical Specifications
ParameterValue
NSN5340-01-568-7643
Primary Part NumberP-4
Item NamePlug Assembly,sealing
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerHydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5340-00-817-0912NAS818-4 SUCCESSOR
Plug,protective,dust and Moistur
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
P-4 PRIMARY Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec (USA)
Related Parts
5340-00-817-0912SUCCESSOR
PLUG,PROTECTIVE,DUST AND MOISTUR
NAS818-4

Frequently Asked Questions

What is NSN 5340-01-568-7643?

NSN 5340-01-568-7643 is a Plug Assembly,sealing, manufactured by Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-568-7643?

NSN 5340-01-568-7643 has 1 cross-referenced part number: P-4 (Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec).

What NSN replaces 5340-01-568-7643?

There is 1 known substitute for 5340-01-568-7643: 5340-00-817-0912. Verify interchangeability with system specifications before substitution.

What are the specifications of P-4?

Key specifications for P-4: Part Name Assigned by Controlling Agency: PLUG; End Item Identification: AIRCRAFT. 2 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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