PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

594-1-12Valve,angle

Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc · NSN 4820-01-058-7683 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-058-7683 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-058-7683. Primary manufacturer part number: 594-1-12.
Features
  • Valve,angle — FSC 4820
  • Media for Which Designed: WATER-OIL-GAS SINGLE RESPONSE
  • Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM
  • Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT
  • Bonnet Attachment Method: THREADED
  • Material: COPPER ALLOY BODY
  • Connection Style: REDUCED SOCKET WITH ONE BRAZING RING ALL ENDS
  • Operating Pressure: 700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,angle, cataloged under National Stock Number 4820-01-058-7683, 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 18 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: Active.

Technical Specifications
ParameterValue
NSN4820-01-058-7683
Primary Part Number594-1-12
Item NameValve,angle
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMilwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
StatusACTIVE
Media for Which DesignedWATER-OIL-GAS SINGLE RESPONSE
Material Document and ClassificationQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM
Material Document and ClassificationQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT
Bonnet Attachment MethodTHREADED
MaterialCOPPER ALLOY BODY
Connection StyleREDUCED SOCKET WITH ONE BRAZING RING ALL ENDS
Operating Pressure700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Features ProvidedBONNET PACKING
Bonnet TypeINSIDE SCREW
MaterialPLASTIC POLYVINYLIDENE CHLORIDE PACKING
Valve Operation MethodMANUAL
MaterialNICKEL ALLOY R-405 SEAT
Style DesignatorANGLE
MaterialNICKEL ALLOY R-405 STEM
MaterialNICKEL ALLOY FLOW CONTROL DEVICE
Flow Control DeviceDISK
Nominal Pipe Size Accommodated0.500 INCHES ALL ENDS IN
Connection TypeUNTHREADED INTERNAL PIPE ALL ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5315-00-078-0966594112 INTERCHANGEABLE
Pin,shoulder,headless
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
2805-00-313-3565 INTERCHANGEABLE
Clamp,breather Pipe
5330-00-344-3824 INTERCHANGEABLE
Gasket
5342-00-393-3737LCVP8991PC1T012 INTERCHANGEABLE
Latch,landing Craft
Fireye Inc
4820-00-943-7278SS845-1889587ASSYD1-2IN INTERCHANGEABLE
Valve,angle
Naval Ship Systems Command
4820-01-127-2559803-2177934-B116AF INTERCHANGEABLE
Valve,globe
Naval Ship Systems Command
4420-01-266-82335941G1 INTERCHANGEABLE
Cooler,fluid,industrial
Boyd Corporation (woburn) Inc
6515-01-322-21045941 INTERCHANGEABLE
Glove,patient Examining
Johnson & Johnson Health Care Systems Inc.
6505-01-370-1664 INTERCHANGEABLE
Lidocaine Hydrochloride and Dext
6680-01-442-6204211035395 INTERCHANGEABLE
Accelerometer,high
Electric Boat Corporation Div General Dynamics Electric Boat
Cross-Reference Index
Part NumberManufacturer
594-1 1-2IN Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
594-1-12 PRIMARY Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
594-1 Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
Related Parts
5315-00-078-0966INTERCHANGEABLE
PIN,SHOULDER,HEADLESS
594112
2805-00-313-3565INTERCHANGEABLE
CLAMP,BREATHER PIPE
5330-00-344-3824INTERCHANGEABLE
GASKET
5342-00-393-3737INTERCHANGEABLE
LATCH,LANDING CRAFT
LCVP8991PC1T012
4820-00-943-7278INTERCHANGEABLE
VALVE,ANGLE
SS845-1889587ASSYD1-2IN
4820-01-127-2559INTERCHANGEABLE
VALVE,GLOBE
803-2177934-B116AF
4420-01-266-8233INTERCHANGEABLE
COOLER,FLUID,INDUSTRIAL
5941G1
6515-01-322-2104INTERCHANGEABLE
GLOVE,PATIENT EXAMINING
5941
6505-01-370-1664INTERCHANGEABLE
LIDOCAINE HYDROCHLORIDE AND DEXT
6680-01-442-6204INTERCHANGEABLE
ACCELEROMETER,HIGH
211035395
2530-01-624-1204INTERCHANGEABLE
GRIP THUMBWHELL
5941
4820-01-665-9451INTERCHANGEABLE
PARTS KIT,BALL VALVE
5941

Frequently Asked Questions

What is NSN 4820-01-058-7683?

NSN 4820-01-058-7683 is a Valve,angle, manufactured by Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-058-7683?

NSN 4820-01-058-7683 has 3 cross-referenced part numbers: 594-1 1-2IN (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 594-1-12 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 594-1 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc).

What NSN replaces 4820-01-058-7683?

There are 12 known substitutes for 4820-01-058-7683: 5315-00-078-0966, 2805-00-313-3565, 5330-00-344-3824 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 594-1-12?

Key specifications for 594-1-12: Media for Which Designed: WATER-OIL-GAS SINGLE RESPONSE; Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM; Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT; Bonnet Attachment Method: THREADED. 18 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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