PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

504 1.00INValve,angle

Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc · NSN 4820-00-875-4556 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-875-4556 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-875-4556. Primary manufacturer part number: 504 1.00IN.
Features
  • Valve,angle — FSC 4820
  • Material Document and Classification: ASTM D574 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
  • Bonnet Type: INSIDE SCREW
  • Connection Type: THREADED INTERNAL PIPE ALL ENDS
  • Maximum Operating Temp: 300.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Flow Control Device: DISK
  • Bonnet Attachment Method: THREADED
  • Features Provided: BONNET PACKING
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,angle, cataloged under National Stock Number 4820-00-875-4556, 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 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-875-4556
Primary Part Number504 1.00IN
Item NameValve,angle
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMilwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
StatusCANCELLED
Material Document and ClassificationASTM D574 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
Bonnet TypeINSIDE SCREW
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Maximum Operating Temp300.0 FAHRENHEIT SINGLE RESPONSE DEGF
Flow Control DeviceDISK
Bonnet Attachment MethodTHREADED
Features ProvidedBONNET PACKING
Thread DirectionRIGHT-HAND ALL ENDS
Material Document and ClassificationASTM B62 ALLOY 172 ASSN STD SINGLE MATERIAL RESPONSE BODY
Material Document and ClassificationASTM B140 ALLOY 314 ASSN STD SINGLE MATERIAL RESPONSE SEAT
Connection StylePLAIN,OPTIONAL END(PIPE) ALL ENDS
Valve Operation MethodMANUAL
Style DesignatorANGLE
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
Material Document and ClassificationASTM B30 ALLOY 876 ASSN STD SINGLE MATERIAL RESPONSE STEM
Media for Which DesignedSTEAM FIRST RESPONSE
Nondefinitive Spec/std Data2 TYPE AND B CLASS
Nominal Thread Size1.000 INCHES ALL ENDS IN
Operating Pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
Supplementary FeaturesTHIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL;THE CURRENT APPROVED SOURCES,14959 AND 76364 HAVE INDICATED THEIR PART NUMBER CONTAINED ASBESOTS PRIOR TO 1984,THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984
Material Document and ClassificationASTM D1457 ASSN STD SINGLE MATERIAL RESPONSE PACKING
Thread Series DesignatorNPT ALL ENDS
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
4820-00-203-39760168 INTERCHANGEABLE
Valve,angle
Hoffman/new Yorker, Inc.
4820-00-203-3980 INTERCHANGEABLE
Valve,angle
4530-00-394-8486B-2-1-201 INTERCHANGEABLE
Barrel,ring
Todd Combustion Inc
5950-00-794-5879B222 INTERCHANGEABLE
Coil,radio Frequency
Payne Magnetics, Inc.
4510-00-835-1172B-0222 INTERCHANGEABLE
Faucet,mixing
T and S Brass and Bronze Works Inc
5950-01-176-2060844-014-001 INTERCHANGEABLE
Reactor
Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations
4820-01-240-1022 INTERCHANGEABLE
Valve,angle
4240-01-249-9170 INTERCHANGEABLE
Respirator,air Filtering
6680-01-437-7779B222 INTERCHANGEABLE
Shield,gage,sight,liquid Indicat
John G Papailias Co Inc Dba J G Papailias
Cross-Reference Index
Part NumberManufacturer
96 The Walworth Company (USA)
B222 Stockham Valves and Fittings Inc (USA)
504 1.00IN 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
214 Lunkenheimer Co (USA)
108A1NPT Jenkins Bros (USA)
FIG 108-A Jenkins Bros (USA)
17 Crane Co Div Valve Div (USA)
FIG 108-A SIZE 1 IN Jenkins Bros (USA)
Related Parts
4820-00-203-3976INTERCHANGEABLE
VALVE,ANGLE
0168
4820-00-203-3980INTERCHANGEABLE
VALVE,ANGLE
4530-00-394-8486INTERCHANGEABLE
BARREL,RING
B-2-1-201
5950-00-794-5879INTERCHANGEABLE
COIL,RADIO FREQUENCY
B222
4510-00-835-1172INTERCHANGEABLE
FAUCET,MIXING
B-0222
5950-01-176-2060INTERCHANGEABLE
REACTOR
844-014-001
4820-01-240-1022INTERCHANGEABLE
VALVE,ANGLE
4240-01-249-9170INTERCHANGEABLE
RESPIRATOR,AIR FILTERING
6680-01-437-7779INTERCHANGEABLE
SHIELD,GAGE,SIGHT,LIQUID INDICAT
B222

Frequently Asked Questions

What is NSN 4820-00-875-4556?

NSN 4820-00-875-4556 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 4820-00-875-4556?

NSN 4820-00-875-4556 has 9 cross-referenced part numbers: 96 (The Walworth Company), B222 (Stockham Valves and Fittings Inc), 504 1.00IN (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), WWV51 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 214 (Lunkenheimer Co) and 4 more.

What NSN replaces 4820-00-875-4556?

There are 9 known substitutes for 4820-00-875-4556: 4820-00-203-3976, 4820-00-203-3980, 4530-00-394-8486 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 504 1.00IN?

Key specifications for 504 1.00IN: Material Document and Classification: ASTM D574 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE; Bonnet Type: INSIDE SCREW; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Maximum Operating Temp: 300.0 FAHRENHEIT SINGLE RESPONSE DEGF. 23 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-875-4556 still in active supply?

NSN 4820-00-875-4556 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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