PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11-855-5Poppet,fueling Cap

Parker Hannifin Corporation Div Aerospace Group Headquarters · NSN 4820-00-670-0345 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-670-0345 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-670-0345. Primary manufacturer part number: 11-855-5.
Features
  • Poppet,fueling Cap — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Parker Hannifin Corporation Div Aerospace Group Headquarters
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Poppet,fueling Cap, cataloged under National Stock Number 4820-00-670-0345, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Parker Hannifin Corporation Div Aerospace Group Headquarters. 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
NSN4820-00-670-0345
Primary Part Number11-855-5
Item NamePoppet,fueling Cap
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerParker Hannifin Corporation Div Aerospace Group Headquarters
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-011-8555 INTERCHANGEABLE
Nut,plain,hexagon
5821-00-719-6598 INTERCHANGEABLE
Indicator,channel-Frequency
Cross-Reference Index
Part NumberManufacturer
11-855-5 PRIMARY Parker Hannifin Corporation Div Aerospace Group Headquarters (USA)
Related Parts
5310-00-011-8555INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5821-00-719-6598INTERCHANGEABLE
INDICATOR,CHANNEL-FREQUENCY

Frequently Asked Questions

What is NSN 4820-00-670-0345?

NSN 4820-00-670-0345 is a Poppet,fueling Cap, manufactured by Parker Hannifin Corporation Div Aerospace Group Headquarters, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-670-0345?

NSN 4820-00-670-0345 has 1 cross-referenced part number: 11-855-5 (Parker Hannifin Corporation Div Aerospace Group Headquarters).

What NSN replaces 4820-00-670-0345?

There are 2 known substitutes for 4820-00-670-0345: 5310-00-011-8555, 5821-00-719-6598. Verify interchangeability with system specifications before substitution.

What are the specifications of 11-855-5?

Key specifications for 11-855-5: End Item Identification: 29156597849 AND 16808041968. 1 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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