PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MV-21W5 ITEM 4Stem,fluid Valve

Newmans Inc New Jersey Div · NSN 4820-01-274-0552 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-274-0552 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-274-0552. Primary manufacturer part number: MV-21W5 ITEM 4.
Features
  • Stem,fluid Valve — FSC 4820
  • Valve Size for Which Designed: 5.000 INCHES IN
  • Material: STEEL COMP 410
  • Valve Type for Which Designed: GLOBE
  • Largest Outside Diameter: 1.250 INCHES NOMINAL IN
  • Stem Actuating End Type: THREADED EXTERNALLY
  • Material Document and Classification: ASTM A276 GRADE 410 ASSN STD SINGLE MATERIAL RESPONSE
  • Valve Model Number for Which Designed: 21W-CB-3 W
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Comp 410 construction
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-274-0552, 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 7 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
NSN4820-01-274-0552
Primary Part NumberMV-21W5 ITEM 4
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNewmans Inc New Jersey Div
StatusACTIVE
Valve Size for Which Designed5.000 INCHES IN
MaterialSTEEL COMP 410
Valve Type for Which DesignedGLOBE
Largest Outside Diameter1.250 INCHES NOMINAL IN
Stem Actuating End TypeTHREADED EXTERNALLY
Material Document and ClassificationASTM A276 GRADE 410 ASSN STD SINGLE MATERIAL RESPONSE
Valve Model Number for Which Designed21W-CB-3 W
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
4820-01-274-0566MV-21W5 ITEM 6 INTERCHANGEABLE
Cap,valve
Newmans Inc New Jersey Div
4820-01-274-0570MV-21W5 ITEM 22 INTERCHANGEABLE
Retainer,disk,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
MIL-DTL-22052 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MV-21W5 ITEM 4 PRIMARY Newmans Inc New Jersey Div (USA)
MIL-V-22052D Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MV-21W5 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
4820-01-274-0566INTERCHANGEABLE
CAP,VALVE
MV-21W5 ITEM 6
4820-01-274-0570INTERCHANGEABLE
RETAINER,DISK,VALVE
MV-21W5 ITEM 22
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 4820-01-274-0552?

NSN 4820-01-274-0552 is a Stem,fluid 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 4820-01-274-0552?

NSN 4820-01-274-0552 has 4 cross-referenced part numbers: MIL-DTL-22052 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MV-21W5 ITEM 4 (Newmans Inc New Jersey Div), MIL-V-22052D (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MV-21W5 (Newmans Inc New Jersey Div).

What NSN replaces 4820-01-274-0552?

There are 12 known substitutes for 4820-01-274-0552: 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 4?

Key specifications for MV-21W5 ITEM 4: Valve Size for Which Designed: 5.000 INCHES IN; Material: STEEL COMP 410; Valve Type for Which Designed: GLOBE; Largest Outside Diameter: 1.250 INCHES NOMINAL IN. 8 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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