PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-DTL-22052Valve,angle

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 4820-00-491-6795 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-491-6795 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-491-6795. Primary manufacturer part number: MIL-DTL-22052.
Features
  • Valve,angle — FSC 4820
  • Media for Which Designed: STEAM SINGLE RESPONSE
  • Style Designator: ANGLE FLANGED ENDS
  • Features Provided: BONNET PACKINGBONNET PACKING
  • Nondefinitive Spec/std Data: D COMPOSITION
  • Bonnet Type: OUTSIDE SCREW-YOKEOUTSIDE SCREW-YOKE
  • Raised Face Nominal Diameter: 5.000 INCHES ALL ENDS IN
  • First Connection Face to Centerline Distance: 7.000 INCHES IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Cobalt Alloy Seatsteel Body construction
General Description

The Valve,angle, cataloged under National Stock Number 4820-00-491-6795, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references 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: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-491-6795
Primary Part NumberMIL-DTL-22052
Item NameValve,angle
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Media for Which DesignedSTEAM SINGLE RESPONSE
Style DesignatorANGLE FLANGED ENDS
Features ProvidedBONNET PACKINGBONNET PACKING
Nondefinitive Spec/std DataD COMPOSITION
Bonnet TypeOUTSIDE SCREW-YOKEOUTSIDE SCREW-YOKE
Raised Face Nominal Diameter5.000 INCHES ALL ENDS IN
First Connection Face to Centerline Distance7.000 INCHES IN
Maximum Operating Temp775.0 FAHRENHEIT SINGLE RESPONSE775.0 FAHRENHEIT SINGLE RESPONSE DEGF
MaterialCOBALT ALLOY SEATSTEEL BODY
Second Connection Face to Centerline Distance7.000 INCHES IN
Flange Face DesignRAISED STRAIGHT ALL ENDS
Connection TypeFLANGE ALL ENDSFLANGE ALL ENDS
Bolt Circle Nominal Diameter6.625 INCHES ALL ENDS IN
Bonnet Attachment MethodPRESSURE SEAL, RING TYPEPRESSURE SEAL, RING TYPE
Operating Pressure600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Raised Face Nominal Height0.250 INCHES ALL ENDS IN
MaterialSTEEL CORROSION RESISTING STEMCOBALT ALLOY FLOW CONTROL DEVICE
Valve Size3.000 INCHES3.000 INCHES IN
Bolt Hole Quantity8 ALL ENDS8 ALL ENDS
Flow Control DeviceDISKDISK
Flange ShapeROUND WITH HOLES ALL ENDSROUND WITH HOLES ALL ENDS
Valve Operation MethodMANUALMANUAL
Nominal Thickness1.250 INCHES ALL ENDS IN
Material Document and ClassificationASTMA105,GRADE2 ASSN STD SINGLE MATERIAL RESPONSE BODY
MaterialCOBALT ALLOY FLOW CONTROL DEVICECOBALT ALLOY SEAT
Nominal Outside Diameter8.250 INCHES ALL ENDS IN
Bolt Hole Nominal Diameter0.875 INCHES ALL ENDS IN
MaterialSTEEL CORROSION RESISTING STEM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4820-00-229-9582 INTERCHANGEABLE
Valve,globe
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
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
MILV22052 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
Related Parts
4820-00-229-9582INTERCHANGEABLE
VALVE,GLOBE
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
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 4820-00-491-6795?

NSN 4820-00-491-6795 is a Valve,angle, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-491-6795?

NSN 4820-00-491-6795 has 3 cross-referenced part numbers: MIL-DTL-22052 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILV22052 (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).

What NSN replaces 4820-00-491-6795?

There are 12 known substitutes for 4820-00-491-6795: 4820-00-229-9582, 4820-00-494-0851, 4820-00-762-1212 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-DTL-22052?

Key specifications for MIL-DTL-22052: Media for Which Designed: STEAM SINGLE RESPONSE; Style Designator: ANGLE FLANGED ENDS; Features Provided: BONNET PACKINGBONNET PACKING; Nondefinitive Spec/std Data: D COMPOSITION. 28 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-491-6795 still in active supply?

NSN 4820-00-491-6795 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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