PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

439861Cap,retention,pressure Plug

Tyco Fire Products Lp · NSN 4730-01-721-6450 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-721-6450 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-721-6450. Primary manufacturer part number: 439861.
Features
  • Cap,retention,pressure Plug — FSC 4730
  • 2 verified cross-references
  • Primary manufacturer: Tyco Fire Products Lp
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Cap,retention,pressure Plug, cataloged under National Stock Number 4730-01-721-6450, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Tyco Fire Products Lp. This item has 2 commercial cross-references from 2 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
NSN4730-01-721-6450
Primary Part Number439861
Item NameCap,retention,pressure Plug
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerTyco Fire Products Lp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5998-01-046-648643986-1 INTERCHANGEABLE
Circuit Card Assembly
Meggitt (new Hampshire), Inc
7510-01-065-01663434387 INTERCHANGEABLE
Folder,equipment Record
Oshkosh Defense Llc
Cross-Reference Index
Part NumberManufacturer
439861 Delegaciones Reunidas Novofri Sa (ESP)
439861 PRIMARY Tyco Fire Products Lp (USA)
Related Parts
5998-01-046-6486INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
43986-1
7510-01-065-0166INTERCHANGEABLE
FOLDER,EQUIPMENT RECORD
3434387

Frequently Asked Questions

What is NSN 4730-01-721-6450?

NSN 4730-01-721-6450 is a Cap,retention,pressure Plug, manufactured by Tyco Fire Products Lp, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-721-6450?

NSN 4730-01-721-6450 has 2 cross-referenced part numbers: 439861 (Delegaciones Reunidas Novofri Sa), 439861 (Tyco Fire Products Lp).

What NSN replaces 4730-01-721-6450?

There are 2 known substitutes for 4730-01-721-6450: 5998-01-046-6486, 7510-01-065-0166. Verify interchangeability with system specifications before substitution.

What are the specifications of 439861?

Key specifications for 439861: Part Name Assigned by Controlling Agency: METAL BLOW OFF CAP; End Item Identification: FRYER FIRE SUPPRESSION SYSTEM, ANSUL R-102. 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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