PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

60-784PC428Disk,valve

Hardie-Tynes Co., Inc. · NSN 4820-00-317-4593 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-317-4593 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-317-4593. Primary manufacturer part number: 60-784PC428.
Features
  • Disk,valve — FSC 4820
  • Flange Seat to Disk End Height: 1.250 INCHES NOMINAL IN
  • Under Flange Height: 0.188 INCHES NOMINAL IN
  • Material: COPPER ALLOY
  • Style Designator: POPPET
  • Shank Diameter: 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
  • Seat Angle: 50.0 DEGREES NOMINAL
  • 23 verified cross-references
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-00-317-4593, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hardie-Tynes Co., Inc.. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 23 commercial cross-references from 2 manufacturers, 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
NSN4820-00-317-4593
Primary Part Number60-784PC428
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHardie-Tynes Co., Inc.
StatusACTIVE
Flange Seat to Disk End Height1.250 INCHES NOMINAL IN
Under Flange Height0.188 INCHES NOMINAL IN
MaterialCOPPER ALLOY
Style DesignatorPOPPET
Shank Diameter0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Seat Angle50.0 DEGREES NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4320-00-055-2639PA-133 INTERCHANGEABLE
Pump Unit,reciprocating
Enerpac Tool Group Corp
6105-00-284-098660-271 INTERCHANGEABLE
Armature,motor
Electric Boat Corporation Div General Dynamics Electric Boat
2810-00-306-628260401 INTERCHANGEABLE
Shaft,valve Rocker
Textron Lycoming Inc Williamsport Plant
5945-00-854-7095MKF0-2-5K INTERCHANGEABLE
Relay,electromagnetic
G General Electro-Components Inc
5330-01-122-359560401 INTERCHANGEABLE
Seal,nonmetallic Channel
Sabre Engines Ltd
6740-01-156-9607 INTERCHANGEABLE
Roller,processor
3040-01-186-9527 INTERCHANGEABLE
Gearshaft,spur
6505-01-214-4437 INTERCHANGEABLE
Dexamethasone Sodium Phosphate I
4820-01-282-1725A60401 INTERCHANGEABLE
Seat,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4730-01-381-1550 INTERCHANGEABLE
Adapter,straight,pipe to Boss
Cross-Reference Index
Part NumberManufacturer
60-784PC428 Hardie-Tynes Co., Inc. (USA)
60-401 Hardie-Tynes Co., Inc. (USA)
60-630PC428 Hardie-Tynes Co., Inc. (USA)
60-401PC428 Hardie-Tynes Co., Inc. (USA)
60-531PC428 Hardie-Tynes Co., Inc. (USA)
60-346PC428 Hardie-Tynes Co., Inc. (USA)
65-428 Hardie-Tynes Co., Inc. (USA)
60-416PC428 Hardie-Tynes Co., Inc. (USA)
60-278PC428 Hardie-Tynes Co., Inc. (USA)
60-671PC428 Hardie-Tynes Co., Inc. (USA)
60-218PC428 Hardie-Tynes Co., Inc. (USA)
60-278 Hardie-Tynes Co., Inc. (USA)
60-306PC428 Hardie-Tynes Co., Inc. (USA)
60-322PC428 Hardie-Tynes Co., Inc. (USA)
60-506PC428 Hardie-Tynes Co., Inc. (USA)
6-457PC428 Hardie-Tynes Co., Inc. (USA)
60-297PC428 Hardie-Tynes Co., Inc. (USA)
60-774PC428 Hardie-Tynes Co., Inc. (USA)
60-521PC428 Hardie-Tynes Co., Inc. (USA)
60-65PC428 Hardie-Tynes Co., Inc. (USA)
Related Parts
4320-00-055-2639INTERCHANGEABLE
PUMP UNIT,RECIPROCATING
PA-133
6105-00-284-0986INTERCHANGEABLE
ARMATURE,MOTOR
60-271
2810-00-306-6282INTERCHANGEABLE
SHAFT,VALVE ROCKER
60401
5945-00-854-7095INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
MKF0-2-5K
5330-01-122-3595INTERCHANGEABLE
SEAL,NONMETALLIC CHANNEL
60401
6740-01-156-9607INTERCHANGEABLE
ROLLER,PROCESSOR
3040-01-186-9527INTERCHANGEABLE
GEARSHAFT,SPUR
6505-01-214-4437INTERCHANGEABLE
DEXAMETHASONE SODIUM PHOSPHATE I
4820-01-282-1725INTERCHANGEABLE
SEAT,VALVE
A60401
4730-01-381-1550INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO BOSS
5998-01-393-8404INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
60401
6645-01-417-3542INTERCHANGEABLE
TIMER,SEQUENTIAL

Frequently Asked Questions

What is NSN 4820-00-317-4593?

NSN 4820-00-317-4593 is a Disk,valve, manufactured by Hardie-Tynes Co., Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-317-4593?

NSN 4820-00-317-4593 has 23 cross-referenced part numbers: 60-784PC428 (Hardie-Tynes Co., Inc.), 60-401 (Hardie-Tynes Co., Inc.), 60-630PC428 (Hardie-Tynes Co., Inc.), 60-401PC428 (Hardie-Tynes Co., Inc.), 60-531PC428 (Hardie-Tynes Co., Inc.) and 18 more.

What NSN replaces 4820-00-317-4593?

There are 12 known substitutes for 4820-00-317-4593: 4320-00-055-2639, 6105-00-284-0986, 2810-00-306-6282 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 60-784PC428?

Key specifications for 60-784PC428: Flange Seat to Disk End Height: 1.250 INCHES NOMINAL IN; Under Flange Height: 0.188 INCHES NOMINAL IN; Material: COPPER ALLOY; Overall Height: 1.500 INCHES NOMINAL IN. 7 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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