PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3093 PIECE 3Disk,valve

Bee Line Company · NSN 4820-01-136-7604 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-136-7604 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-136-7604. Primary manufacturer part number: 3093 PIECE 3.
Features
  • Disk,valve — FSC 4820
  • Thread Class: 2B
  • Seat Angle: 45.0 DEGREES NOMINAL
  • Nominal Thread Size: 1.188 INCHES IN
  • Outside Diameter: 2.490 INCHES NOMINAL IN
  • Thread Series Designator: UN
  • Material: NICKEL ALLOY
  • Thread Quantity Per Inch: 16
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-136-7604, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Bee Line Company. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-136-7604
Primary Part Number3093 PIECE 3
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerBee Line Company
StatusACTIVE
Thread Class2B
Seat Angle45.0 DEGREES NOMINAL
Nominal Thread Size1.188 INCHES IN
Outside Diameter2.490 INCHES NOMINAL IN
Thread Series DesignatorUN
MaterialNICKEL ALLOY
Thread Quantity Per Inch16
Style DesignatorPLUG
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-100-0317472 INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
5950-00-156-213930933 INTERCHANGEABLE
Reactor
Naval Ship Systems Command
3020-00-735-3809GF90 INTERCHANGEABLE
Gear,spur
Wisconsin Motors, Llc
5365-01-160-471730933 INTERCHANGEABLE
Shim
Moog Inc. Dba Ampac-Isp Corp
6210-01-314-796930933 INTERCHANGEABLE
Light,indicator
Forenta Lp
5330-01-421-044930933 INTERCHANGEABLE
Retainer,packing
Circor Aerospace, Inc. Dba Circor Aerospace Inc
Cross-Reference Index
Part NumberManufacturer
3093 PIECE 3 Bee Line Company (USA)
3093-3 Bee Line Company (USA)
Related Parts
3110-00-100-0317INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
472
5950-00-156-2139INTERCHANGEABLE
REACTOR
30933
3020-00-735-3809INTERCHANGEABLE
GEAR,SPUR
GF90
5365-01-160-4717INTERCHANGEABLE
SHIM
30933
6210-01-314-7969INTERCHANGEABLE
LIGHT,INDICATOR
30933
5330-01-421-0449INTERCHANGEABLE
RETAINER,PACKING
30933

Frequently Asked Questions

What is NSN 4820-01-136-7604?

NSN 4820-01-136-7604 is a Disk,valve, manufactured by Bee Line Company, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-136-7604?

NSN 4820-01-136-7604 has 2 cross-referenced part numbers: 3093 PIECE 3 (Bee Line Company), 3093-3 (Bee Line Company).

What NSN replaces 4820-01-136-7604?

There are 6 known substitutes for 4820-01-136-7604: 3110-00-100-0317, 5950-00-156-2139, 3020-00-735-3809 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3093 PIECE 3?

Key specifications for 3093 PIECE 3: Thread Class: 2B; Seat Angle: 45.0 DEGREES NOMINAL; Nominal Thread Size: 1.188 INCHES IN; Outside Diameter: 2.490 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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