PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

68-104PC12Disk,valve

Derbyshire Machine & Tool Co · NSN 4820-00-036-2493 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-036-2493 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-036-2493. Primary manufacturer part number: 68-104PC12.
Features
  • Disk,valve — FSC 4820
  • Material: STEEL CORROSION RESISTING
  • Seat Angle: 30.0 DEGREES NOMINAL
  • Style Designator: POPPET
  • Shank Diameter: 0.500 INCHES NOMINAL IN
  • Flange Seat to Disk End Height: 2.450 INCHES NOMINAL IN
  • Under Flange Height: 0.635 INCHES NOMINAL IN
  • Tip Diameter: 0.375 INCHES NOMINAL IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-00-036-2493, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Derbyshire Machine & Tool Co. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-036-2493
Primary Part Number68-104PC12
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerDerbyshire Machine & Tool Co
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Seat Angle30.0 DEGREES NOMINAL
Style DesignatorPOPPET
Shank Diameter0.500 INCHES NOMINAL IN
Flange Seat to Disk End Height2.450 INCHES NOMINAL IN
Under Flange Height0.635 INCHES NOMINAL IN
Tip Diameter0.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3110-00-156-1918 INTERCHANGEABLE
Bearing,ball,thrust
5340-00-455-4380 INTERCHANGEABLE
Striker,cab Door
5315-00-484-67706449 INTERCHANGEABLE
Pin,grooved,headless
Triumph Engine Control Systems Llc
7510-01-048-6534 INTERCHANGEABLE
Screen,line Cut
5330-01-482-0399G14AX20DMV INTERCHANGEABLE
Seal,nonmetallic Special Shaped
Cospolich Inc.
6515-01-561-1227AS15 INTERCHANGEABLE
Holder,drill Bit,surgical
Medtronic Powered Surgical Solutions Dba Medtronic Mitas Rex
2940-01-625-9199FIL 6449 INTERCHANGEABLE
Filter Element,intake Air Cleane
National Automotive Parts Assn/napa/
Cross-Reference Index
Part NumberManufacturer
6449 Spx Flow Us, Llc Dba Spx Valves & Controls (USA)
FF3096-1PC10 Spx Flow Us, Llc Dba Spx Valves & Controls (USA)
68-104PC12 PRIMARY Derbyshire Machine & Tool Co (USA)
Related Parts
3110-00-156-1918INTERCHANGEABLE
BEARING,BALL,THRUST
5340-00-455-4380INTERCHANGEABLE
STRIKER,CAB DOOR
5315-00-484-6770INTERCHANGEABLE
PIN,GROOVED,HEADLESS
6449
7510-01-048-6534INTERCHANGEABLE
SCREEN,LINE CUT
5330-01-482-0399INTERCHANGEABLE
SEAL,NONMETALLIC SPECIAL SHAPED
G14AX20DMV
6515-01-561-1227INTERCHANGEABLE
HOLDER,DRILL BIT,SURGICAL
AS15
2940-01-625-9199INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
FIL 6449

Frequently Asked Questions

What is NSN 4820-00-036-2493?

NSN 4820-00-036-2493 is a Disk,valve, manufactured by Derbyshire Machine & Tool Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-036-2493?

NSN 4820-00-036-2493 has 3 cross-referenced part numbers: 6449 (Spx Flow Us, Llc Dba Spx Valves & Controls), FF3096-1PC10 (Spx Flow Us, Llc Dba Spx Valves & Controls), 68-104PC12 (Derbyshire Machine & Tool Co).

What NSN replaces 4820-00-036-2493?

There are 7 known substitutes for 4820-00-036-2493: 3110-00-156-1918, 5340-00-455-4380, 5315-00-484-6770 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 68-104PC12?

Key specifications for 68-104PC12: Material: STEEL CORROSION RESISTING; Seat Angle: 30.0 DEGREES NOMINAL; Style Designator: POPPET; Shank Diameter: 0.500 INCHES NOMINAL IN. 9 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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