PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30310Valve,restrictor Check

The Boeing Company Div Defense · NSN 4820-01-071-2052 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-071-2052 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-071-2052. Primary manufacturer part number: 30310.
Features
  • Valve,restrictor Check — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: The Boeing Company Div Defense
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,restrictor Check, cataloged under National Stock Number 4820-01-071-2052, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is The Boeing Company Div Defense. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,restrictor Check
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersThe Boeing Company Div Defense (CAGE 76301)
Technical Specifications
ParameterValue
NSN4820-01-071-2052
Primary Part Number30310
Item NameValve,restrictor Check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerThe Boeing Company Div Defense
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-156-8076177003-49 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5950-00-244-59111024 INTERCHANGEABLE
Transformer,audio Frequency
Autodyne Manufacturing Co Inc
4930-00-253-24781142 INTERCHANGEABLE
Lubricating Gun,handheld
Lincoln Industrial Corporation Div Lincoln Industrial Corporation
4720-00-540-1368 INTERCHANGEABLE
Hose,nonmetallic
6105-00-705-2712 INTERCHANGEABLE
Motor,alternating Current
5920-00-752-04583031-0 INTERCHANGEABLE
Fuseholder,extractor Post
Cole Hersee Company
5930-00-877-5671 INTERCHANGEABLE
Switch,rotary
4820-00-917-8535 INTERCHANGEABLE
Valve,restrictor Check
2915-00-971-728930310 INTERCHANGEABLE
Valve,relief Regula
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
9390-01-175-8957134-6 INTERCHANGEABLE
Tape,fluorolin
Rogers Corporation
Cross-Reference Index
Part NumberManufacturer
30310 PRIMARY The Boeing Company Div Defense (USA)
Related Parts
3110-00-156-8076INTERCHANGEABLE
BEARING,BALL,ANNULAR
177003-49
5950-00-244-5911INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
1024
4930-00-253-2478INTERCHANGEABLE
LUBRICATING GUN,HANDHELD
1142
4720-00-540-1368INTERCHANGEABLE
HOSE,NONMETALLIC
6105-00-705-2712INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
5920-00-752-0458INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
3031-0
5930-00-877-5671INTERCHANGEABLE
SWITCH,ROTARY
4820-00-917-8535INTERCHANGEABLE
VALVE,RESTRICTOR CHECK
2915-00-971-7289INTERCHANGEABLE
VALVE,RELIEF REGULA
30310
9390-01-175-8957INTERCHANGEABLE
TAPE,FLUOROLIN
134-6
5920-01-422-3678INTERCHANGEABLE
FUSEHOLDER,BLOCK
30310
4210-01-514-6615INTERCHANGEABLE
EXTINGUISHER,FIRE
30310

Frequently Asked Questions

What is NSN 4820-01-071-2052?

NSN 4820-01-071-2052 is a Valve,restrictor Check, manufactured by The Boeing Company Div Defense, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-071-2052?

NSN 4820-01-071-2052 has 1 cross-referenced part number: 30310 (The Boeing Company Div Defense).

What NSN replaces 4820-01-071-2052?

There are 12 known substitutes for 4820-01-071-2052: 3110-00-156-8076, 5950-00-244-5911, 4930-00-253-2478 and 9 more. Verify interchangeability with system specifications before substitution.

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