PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MV-21W5 ITEM 22Retainer,disk,valve

Newmans Inc New Jersey Div · NSN 4820-01-274-0570 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-274-0570 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-274-0570. Primary manufacturer part number: MV-21W5 ITEM 22.
Features
  • Retainer,disk,valve — FSC 4820
  • Valve Design Control Activity: 61661
  • Material: STEEL CORROSION RESISTING
  • Valve Model Number for Which Designed: 21W-CB-3 W
  • Valve Size for Which Designed: 5.000 INCHES IN
  • 4 verified cross-references
  • Primary manufacturer: Newmans Inc New Jersey Div
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Retainer,disk,valve, cataloged under National Stock Number 4820-01-274-0570, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Newmans Inc New Jersey Div. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-274-0570
Primary Part NumberMV-21W5 ITEM 22
Item NameRetainer,disk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNewmans Inc New Jersey Div
StatusACTIVE
Valve Design Control Activity61661
MaterialSTEEL CORROSION RESISTING
Valve Model Number for Which Designed21W-CB-3 W
Valve Size for Which Designed5.000 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-229-9582 INTERCHANGEABLE
Valve,globe
4820-00-491-6795 INTERCHANGEABLE
Valve,angle
4820-00-494-0851B12-20P02TS/78532-9/882057827 INTERCHANGEABLE
Valve,globe
Velan Valve Corp.
4820-00-762-1212 INTERCHANGEABLE
Valve,stop-Check
4730-01-274-0455MV-21W5 ITEM 10 INTERCHANGEABLE
Flange,pipe
Newmans Inc New Jersey Div
4820-01-274-0552MV-21W5 ITEM 4 INTERCHANGEABLE
Stem,fluid Valve
Newmans Inc New Jersey Div
4820-01-274-0566MV-21W5 ITEM 6 INTERCHANGEABLE
Cap,valve
Newmans Inc New Jersey Div
4730-01-274-0801MV-21W5 ITEM 7 INTERCHANGEABLE
Packing Nut
Newmans Inc New Jersey Div
4730-01-274-0802MV-21W5 ITEM 14 INTERCHANGEABLE
Packing Nut
Newmans Inc New Jersey Div
4820-01-274-5875MV-21W5 ITEM 3 INTERCHANGEABLE
Disk,valve
Newmans Inc New Jersey Div
Cross-Reference Index
Part NumberManufacturer
MV-21W5 Newmans Inc New Jersey Div (USA)
MIL-DTL-22052 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-V-22052D Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MV-21W5 ITEM 22 PRIMARY Newmans Inc New Jersey Div (USA)
Related Parts
4820-00-229-9582INTERCHANGEABLE
VALVE,GLOBE
4820-00-491-6795INTERCHANGEABLE
VALVE,ANGLE
4820-00-494-0851INTERCHANGEABLE
VALVE,GLOBE
B12-20P02TS/78532-9/882057827
4820-00-762-1212INTERCHANGEABLE
VALVE,STOP-CHECK
4730-01-274-0455INTERCHANGEABLE
FLANGE,PIPE
MV-21W5 ITEM 10
4820-01-274-0552INTERCHANGEABLE
STEM,FLUID VALVE
MV-21W5 ITEM 4
4820-01-274-0566INTERCHANGEABLE
CAP,VALVE
MV-21W5 ITEM 6
4730-01-274-0801INTERCHANGEABLE
PACKING NUT
MV-21W5 ITEM 7
4730-01-274-0802INTERCHANGEABLE
PACKING NUT
MV-21W5 ITEM 14
4820-01-274-5875INTERCHANGEABLE
DISK,VALVE
MV-21W5 ITEM 3
4820-01-433-2628INTERCHANGEABLE
VALVE,GLOBE
F12-0074C-02TY
4820-01-524-6089INTERCHANGEABLE
VALVE,GLOBE
F10-0074C-13MS/P014-308130-G01

Frequently Asked Questions

What is NSN 4820-01-274-0570?

NSN 4820-01-274-0570 is a Retainer,disk,valve, manufactured by Newmans Inc New Jersey Div, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-274-0570?

NSN 4820-01-274-0570 has 4 cross-referenced part numbers: MV-21W5 (Newmans Inc New Jersey Div), MIL-DTL-22052 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-V-22052D (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MV-21W5 ITEM 22 (Newmans Inc New Jersey Div).

What NSN replaces 4820-01-274-0570?

There are 12 known substitutes for 4820-01-274-0570: 4820-00-229-9582, 4820-00-491-6795, 4820-00-494-0851 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MV-21W5 ITEM 22?

Key specifications for MV-21W5 ITEM 22: Valve Design Control Activity: 61661; Material: STEEL CORROSION RESISTING; Valve Model Number for Which Designed: 21W-CB-3 W; Valve Size for Which Designed: 5.000 INCHES IN. 4 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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