PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6473Valve,angle

Henry Technologies, Inc. · NSN 4820-00-287-2599 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-287-2599 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-287-2599. Primary manufacturer part number: 6473.
Features
  • Valve,angle — FSC 4820
  • Connection Style: SOCKET (TUBE) ALL ENDS
  • Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS
  • Valve Operation Method: MANUAL
  • Material: COPPER ALLOY 377 SEAT
  • Material: COPPER ALLOY 377 BODY
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS
  • Media for Which Designed: REFRIGERANT 22 SECOND RESPONSE
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy 377 Seat construction
General Description

The Valve,angle, cataloged under National Stock Number 4820-00-287-2599, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Henry Technologies, Inc.. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-287-2599
Primary Part Number6473
Item NameValve,angle
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHenry Technologies, Inc.
StatusCANCELLED
Connection StyleSOCKET (TUBE) ALL ENDS
Connection TypeUNTHREADED INTERNAL TUBE ALL ENDS
Valve Operation MethodMANUAL
MaterialCOPPER ALLOY 377 SEAT
MaterialCOPPER ALLOY 377 BODY
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS
Media for Which DesignedREFRIGERANT 22 SECOND RESPONSE
Bonnet TypeINSIDE SCREW
Nominal Outside Diameter Tube Accommodated0.375 INCHES ALL ENDS IN
Bonnet Attachment MethodTHREADED
Material Document and ClassificationQQ-B-626,ALLOY 377 FED SPEC SINGLE MATERIAL RESPONSE BODY
MaterialPLASTIC POLYAMIDE NYLON FLOW CONTROL DEVICE
Material Document and ClassificationQQ-B-626,ALLOY 377 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MaterialCOPPER ALLOY 377 STEM
Material Document and ClassificationQQ-B-626,ALLOY 377 FED SPEC SINGLE MATERIAL RESPONSE STEM
Style DesignatorANGLE
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Media for Which DesignedREFRIGERANT 12 FIRST RESPONSE
Flow Control DeviceDISK
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5910-00-113-36106473 INTERCHANGEABLE
Capacitor,variable,air Dielectri
Knowles Cazenovia, Inc. Div Johanson Manufacturing
5999-00-122-647394096 INTERCHANGEABLE
Contact,electrical
L3 Technologies, Inc. Div L3harris Edo Western Corporation
5360-00-256-74696473 INTERCHANGEABLE
Spring,helical,compression
Unity Manufacturing Co
5325-00-321-647964-73 INTERCHANGEABLE
Ring,retaining
Dresser Industries Inc Leroi Div
5310-00-373-74326473 INTERCHANGEABLE
Nut,plain,hexagon
Huck International, Inc. Div Kingston Operations
5365-00-482-68236473 INTERCHANGEABLE
Bushing,nonmetallic
Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp
3020-00-784-6767 INTERCHANGEABLE
Gear,helical
5962-01-021-5875 INTERCHANGEABLE
Microcircuit,digital
5945-01-299-3683D5RR2B INTERCHANGEABLE
Relay,electromagnetic
Eaton Corp Machinery Process Control Opns
6760-01-371-75046473 INTERCHANGEABLE
Lens,projection
Oriel Corp
Cross-Reference Index
Part NumberManufacturer
6473 Henry Technologies, Inc. (USA)
MILV20064 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-20064 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
ASC1177035 Asc Pty Ltd (AUS)
Related Parts
5910-00-113-3610INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
6473
5999-00-122-6473INTERCHANGEABLE
CONTACT,ELECTRICAL
94096
5360-00-256-7469INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
6473
5325-00-321-6479INTERCHANGEABLE
RING,RETAINING
64-73
5310-00-373-7432INTERCHANGEABLE
NUT,PLAIN,HEXAGON
6473
5365-00-482-6823INTERCHANGEABLE
BUSHING,NONMETALLIC
6473
3020-00-784-6767INTERCHANGEABLE
GEAR,HELICAL
5962-01-021-5875INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5945-01-299-3683INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
D5RR2B
6760-01-371-7504INTERCHANGEABLE
LENS,PROJECTION
6473
6685-01-721-1114INTERCHANGEABLE
TRANSMITTER,PRESSURE
647-3

Frequently Asked Questions

What is NSN 4820-00-287-2599?

NSN 4820-00-287-2599 is a Valve,angle, manufactured by Henry Technologies, Inc., classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-287-2599?

NSN 4820-00-287-2599 has 4 cross-referenced part numbers: 6473 (Henry Technologies, Inc.), MILV20064 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-20064 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), ASC1177035 (Asc Pty Ltd).

What NSN replaces 4820-00-287-2599?

There are 11 known substitutes for 4820-00-287-2599: 5910-00-113-3610, 5999-00-122-6473, 5360-00-256-7469 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6473?

Key specifications for 6473: Connection Style: SOCKET (TUBE) ALL ENDS; Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS; Valve Operation Method: MANUAL; Material: COPPER ALLOY 377 SEAT. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-287-2599 still in active supply?

NSN 4820-00-287-2599 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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