PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4052-4Socket,vent Valve

Meggitt North Hollywood Inc · NSN 4820-01-221-2093 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-221-2093 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-221-2093. Primary manufacturer part number: 4052-4.
Features
  • Socket,vent Valve — FSC 4820
  • 4 verified cross-references
  • Primary manufacturer: Meggitt North Hollywood Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Socket,vent Valve, cataloged under National Stock Number 4820-01-221-2093, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Meggitt North Hollywood Inc. This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSocket,vent Valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersMeggitt North Hollywood Inc (CAGE 79318); Parker Hannifin Corporation Div Aerospace Group Headquarters (CAGE 92003); Oshkosh Defense Llc (CAGE 75Q65); Oshkosh Corp (CAGE 45152)
Technical Specifications
ParameterValue
NSN4820-01-221-2093
Primary Part Number4052-4
Item NameSocket,vent Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMeggitt North Hollywood Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
1315-00-028-4631 INTERCHANGEABLE
Cartridge,75 Millimeter
5950-00-121-5315 INTERCHANGEABLE
Transformer,power
9930-00-164-065840524 INTERCHANGEABLE
Headrest,mortuary
Embalmers' Supply Company, the Dba Embalmers Supply Co
5330-00-172-723040524 INTERCHANGEABLE
Gasket
Hamilton Sundstrand Corporation
5961-01-396-49380405240007 INTERCHANGEABLE
Semiconductor Device,diode
Riimic, Llc Dba Sunair Electronics
6530-01-460-6010405-24 INTERCHANGEABLE
Bag,heat Sealable,multi-Purpose
Kapak Company Llc Dba Ampac Flexibles
5120-01-652-1505 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
4052-4 PRIMARY Meggitt North Hollywood Inc (USA)
4052-4 Parker Hannifin Corporation Div Aerospace Group Headquarters (USA)
29KP205 Oshkosh Defense Llc (USA)
29KP205 Oshkosh Corp (USA)
Related Parts
1315-00-028-4631INTERCHANGEABLE
CARTRIDGE,75 MILLIMETER
5950-00-121-5315INTERCHANGEABLE
TRANSFORMER,POWER
9930-00-164-0658INTERCHANGEABLE
HEADREST,MORTUARY
40524
5330-00-172-7230INTERCHANGEABLE
GASKET
40524
5961-01-396-4938INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
0405240007
6530-01-460-6010INTERCHANGEABLE
BAG,HEAT SEALABLE,MULTI-PURPOSE
405-24
5120-01-652-1505INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 4820-01-221-2093?

NSN 4820-01-221-2093 is a Socket,vent Valve, manufactured by Meggitt North Hollywood Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-221-2093?

NSN 4820-01-221-2093 has 4 cross-referenced part numbers: 4052-4 (Meggitt North Hollywood Inc), 4052-4 (Parker Hannifin Corporation Div Aerospace Group Headquarters), 29KP205 (Oshkosh Defense Llc), 29KP205 (Oshkosh Corp).

What NSN replaces 4820-01-221-2093?

There are 7 known substitutes for 4820-01-221-2093: 1315-00-028-4631, 5950-00-121-5315, 9930-00-164-0658 and 4 more. Verify interchangeability with system specifications before substitution.

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