PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

504-3/4Valve,angle

Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc · NSN 4820-00-446-2744 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-446-2744 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-446-2744. Primary manufacturer part number: 504-3/4.
Features
  • Valve,angle — FSC 4820
  • Bonnet Type: INSIDE SCREWINSIDE SCREW
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE FLOW CONTROL DEVICE
  • Material Document and Classification: ASTMCUB000 ASSN STD SINGLE MATERIAL RESPONSE STEMASTMCUB000 ASSN STD SINGLE MATERIAL RESPONSE SEAT
  • Thread Direction: RIGHT-HAND ALL ENDSRIGHT-HAND ALL ENDS
  • Material Document and Classification: ASTMCUB000 ASSN STD SINGLE MATERIAL RESPONSE STEM
  • Material: COPPER ALLOY BODY
  • Nondefinitive Spec/std Data: A TYPE
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Plastic Polytetrafluoroethylene Flow Control Device construction
General Description

The Valve,angle, cataloged under National Stock Number 4820-00-446-2744, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 13 manufacturers, 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
NSN4820-00-446-2744
Primary Part Number504-3/4
Item NameValve,angle
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMilwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
StatusCANCELLED
Bonnet TypeINSIDE SCREWINSIDE SCREW
MaterialPLASTIC POLYTETRAFLUOROETHYLENE FLOW CONTROL DEVICE
Material Document and ClassificationASTMCUB000 ASSN STD SINGLE MATERIAL RESPONSE STEMASTMCUB000 ASSN STD SINGLE MATERIAL RESPONSE SEAT
Thread DirectionRIGHT-HAND ALL ENDSRIGHT-HAND ALL ENDS
Material Document and ClassificationASTMCUB000 ASSN STD SINGLE MATERIAL RESPONSE STEM
MaterialCOPPER ALLOY BODY
Nondefinitive Spec/std DataA TYPE
Media for Which DesignedSTEAM FIRST RESPONSE
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
Thread Series DesignatorNPT ALL ENDS
Bonnet Attachment MethodTHREADEDTHREADED
Connection TypeTHREADED INTERNAL PIPE ALL ENDSTHREADED INTERNAL PIPE ALL ENDS
Valve Operation MethodMANUALMANUAL
Features ProvidedBONNET PACKINGBONNET PACKING
Material Document and ClassificationASTMPCAF00 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
Operating Pressure125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
Operating Pressure200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
Material Document and ClassificationASTMPCAF00 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICEASTMCUB000 ASSN STD SINGLE MATERIAL RESPONSE BODY
Style DesignatorANGLE
Flow Control DeviceDISKDISK
Nominal Thread Size0.750 INCHES ALL ENDS0.750 INCHES ALL ENDS IN
Connection StylePLAIN,OPTIONAL END(PIPE) ALL ENDSPLAIN,OPTIONAL END(PIPE) ALL ENDS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4820-00-155-2663 INTERCHANGEABLE
Valve,angle
5133-00-222-946850434 INTERCHANGEABLE
Drill,twist
Morse Cutting Tools
7520-00-240-48317520-00-240-4831 INTERCHANGEABLE
Box,filing
Sourceamerica
4820-00-262-7017FIG B-216 SZ 1/2 IN INTERCHANGEABLE
Valve,angle
Stockham Valves and Fittings Inc
4820-00-287-2494 INTERCHANGEABLE
Valve,angle
4820-00-287-2495046 SZ 1/8 IN INTERCHANGEABLE
Valve,angle
Fairbanks Co the
4820-00-287-5164 INTERCHANGEABLE
Valve,angle
5210-00-293-00055210-00-293-0005 INTERCHANGEABLE
Level,bench
General Services Administration Federal Supply Service
3010-00-294-8856046 INTERCHANGEABLE
Coupling,shaft,rigid
Circor Naval Solutions Llc Dba Warren Pumps
3040-00-356-3325SC-B-70021 INTERCHANGEABLE
Plate,retaining,shaft
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
321 Scott Valve Mfg Co (USA)
046 Fairbanks Co the (USA)
SY181-44 Ecolaire Inc Baldwin-Hamilton Co Div (USA)
08-500-152 PIEC Allis-Chalmers Corp (USA)
N68-25-018APC94 Ecolaire Inc Baldwin-Hamilton Co Div (USA)
504-3/4 PRIMARY Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
WWV51 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
K1037BSIZEBCAT2 PRIMARY Crane Co Div Valve Div (USA)
N66-25-014APC106 Ecolaire Inc Baldwin-Hamilton Co Div (USA)
WWV51 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
151 Kennedy Valve Div of Itt Grinnell Valve Co Inc (USA)
MSS SP-80 Manufacturers Standardization Society of the Valve and Fittings Industry Inc (USA)
81612S4105-4528450C106 Naval Sea Systems Command (USA)
81612S4105-452845PC106 Naval Ship Systems Command (USA)
81612S4105-891001PC94 Naval Ship Systems Command (USA)
235 Lunkenheimer Co (USA)
81612S4105-891001PC94 Naval Sea Systems Command (USA)
64-8-2962 Ecolaire Inc Baldwin-Hamilton Co Div (USA)
Related Parts
4820-00-155-2663INTERCHANGEABLE
VALVE,ANGLE
5133-00-222-9468INTERCHANGEABLE
DRILL,TWIST
50434
7520-00-240-4831INTERCHANGEABLE
BOX,FILING
7520-00-240-4831
4820-00-262-7017INTERCHANGEABLE
VALVE,ANGLE
FIG B-216 SZ 1/2 IN
4820-00-287-2494INTERCHANGEABLE
VALVE,ANGLE
4820-00-287-2495INTERCHANGEABLE
VALVE,ANGLE
046 SZ 1/8 IN
4820-00-287-5164INTERCHANGEABLE
VALVE,ANGLE
5210-00-293-0005INTERCHANGEABLE
LEVEL,BENCH
5210-00-293-0005
3010-00-294-8856INTERCHANGEABLE
COUPLING,SHAFT,RIGID
046
3040-00-356-3325INTERCHANGEABLE
PLATE,RETAINING,SHAFT
SC-B-70021
5310-00-655-6229INTERCHANGEABLE
WASHER,FLAT
16102991
4440-00-792-1731INTERCHANGEABLE
DESICCANT CONTAINER,DEHUMIDIFIER
5043-4

Frequently Asked Questions

What is NSN 4820-00-446-2744?

NSN 4820-00-446-2744 is a Valve,angle, manufactured by Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-446-2744?

NSN 4820-00-446-2744 has 18 cross-referenced part numbers: 321 (Scott Valve Mfg Co), 046 (Fairbanks Co the), SY181-44 (Ecolaire Inc Baldwin-Hamilton Co Div), 08-500-152 PIEC (Allis-Chalmers Corp), N68-25-018APC94 (Ecolaire Inc Baldwin-Hamilton Co Div) and 13 more.

What NSN replaces 4820-00-446-2744?

There are 12 known substitutes for 4820-00-446-2744: 4820-00-155-2663, 5133-00-222-9468, 7520-00-240-4831 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 504-3/4?

Key specifications for 504-3/4: Bonnet Type: INSIDE SCREWINSIDE SCREW; Material: PLASTIC POLYTETRAFLUOROETHYLENE FLOW CONTROL DEVICE; Material Document and Classification: ASTMCUB000 ASSN STD SINGLE MATERIAL RESPONSE STEMASTMCUB000 ASSN STD SINGLE MATERIAL RESPONSE SEAT; Thread Direction: RIGHT-HAND ALL ENDSRIGHT-HAND ALL ENDS. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-446-2744 still in active supply?

NSN 4820-00-446-2744 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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