PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4HP50NPlug,socket Head,ai

Hydraulics International, Inc. Dba Hydraulics International Inc · NSN 4920-01-557-5147 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-01-557-5147 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-557-5147. Primary manufacturer part number: 4HP50N.
Features
  • Plug,socket Head,ai — FSC 4920
  • 2 verified cross-references
  • Primary manufacturer: Hydraulics International, Inc. Dba Hydraulics International Inc
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Plug,socket Head,ai, cataloged under National Stock Number 4920-01-557-5147, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Hydraulics International, Inc. Dba Hydraulics International Inc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NamePlug,socket Head,ai
FSC / FSG4920 — No Item Name Available (FSG 49)
ManufacturersHydraulics International, Inc. Dba Hydraulics International Inc (CAGE 56529); Hydraulics International Inc (CAGE 1VCN7)
Technical Specifications
ParameterValue
NSN4920-01-557-5147
Primary Part Number4HP50N
Item NamePlug,socket Head,ai
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerHydraulics International, Inc. Dba Hydraulics International Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5365-01-042-90792505775 INTERCHANGEABLE
Plug,machine Thread
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
4HP50N PRIMARY Hydraulics International, Inc. Dba Hydraulics International Inc (USA)
4HP50N Hydraulics International Inc (USA)
Related Parts
5365-01-042-9079INTERCHANGEABLE
PLUG,MACHINE THREAD
2505775

Frequently Asked Questions

What is NSN 4920-01-557-5147?

NSN 4920-01-557-5147 is a Plug,socket Head,ai, manufactured by Hydraulics International, Inc. Dba Hydraulics International Inc, classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-01-557-5147?

NSN 4920-01-557-5147 has 2 cross-referenced part numbers: 4HP50N (Hydraulics International, Inc. Dba Hydraulics International Inc), 4HP50N (Hydraulics International Inc).

What NSN replaces 4920-01-557-5147?

There is 1 known substitute for 4920-01-557-5147: 5365-01-042-9079. Verify interchangeability with system specifications before substitution.

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