PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

13599Cap

Eaton Aerospace Llc Dba Eaton Aerospace Jackson · NSN 4820-01-121-8951 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-121-8951 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-121-8951. Primary manufacturer part number: 13599.
Features
  • Cap — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Cap, cataloged under National Stock Number 4820-01-121-8951, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Eaton Aerospace Llc Dba Eaton Aerospace Jackson. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCap
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersEaton Aerospace Llc Dba Eaton Aerospace Jackson (CAGE 99643)
Technical Specifications
ParameterValue
NSN4820-01-121-8951
Primary Part Number13599
Item NameCap
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEaton Aerospace Llc Dba Eaton Aerospace Jackson
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5950-00-005-2516920012-4 INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Dba Raytheon
5330-00-154-904204240AB INTERCHANGEABLE
Seal,plain Encased
Cnh Industrial America Llc Dba Cnh America
3020-00-480-561813599 INTERCHANGEABLE
Gear,helical
Southern Gear & Machine Inc
5935-01-296-5198G162472-9 INTERCHANGEABLE
Connector,receptacle,electrical
Raytheon Company Dba Raytheon Co
Cross-Reference Index
Part NumberManufacturer
13599 PRIMARY Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA)
Related Parts
5950-00-005-2516INTERCHANGEABLE
COIL,RADIO FREQUENCY
920012-4
5330-00-154-9042INTERCHANGEABLE
SEAL,PLAIN ENCASED
04240AB
3020-00-480-5618INTERCHANGEABLE
GEAR,HELICAL
13599
5935-01-296-5198INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
G162472-9

Frequently Asked Questions

What is NSN 4820-01-121-8951?

NSN 4820-01-121-8951 is a Cap, manufactured by Eaton Aerospace Llc Dba Eaton Aerospace Jackson, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-121-8951?

NSN 4820-01-121-8951 has 1 cross-referenced part number: 13599 (Eaton Aerospace Llc Dba Eaton Aerospace Jackson).

What NSN replaces 4820-01-121-8951?

There are 4 known substitutes for 4820-01-121-8951: 5950-00-005-2516, 5330-00-154-9042, 3020-00-480-5618 and 1 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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