PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

K134Seat,valve

Clayton Manufacturing Company · NSN 4820-00-490-9576 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-490-9576 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-490-9576. Primary manufacturer part number: K134.
Features
  • Seat,valve — FSC 4820
  • Flange Diameter: 0.9082 INCHES MINIMUM AND 0.9087 INCHES MAXIMUM IN
  • Seating Surface Shape: ANGULAR
  • Style Designator: PLAIN FLANGED
  • Material Document and Classification: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL COMP 302 OVERALL
  • Under Flange Height: 0.100 INCHES NOMINAL IN
  • Body Outside Diameter: 0.624 INCHES MINIMUM AND 0.639 INCHES MAXIMUM IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Comp 302 Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-490-9576, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Clayton Manufacturing Company. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference 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
NSN4820-00-490-9576
Primary Part NumberK134
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerClayton Manufacturing Company
StatusACTIVE
Flange Diameter0.9082 INCHES MINIMUM AND 0.9087 INCHES MAXIMUM IN
Seating Surface ShapeANGULAR
Style DesignatorPLAIN FLANGED
Material Document and ClassificationFED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 302 OVERALL
Under Flange Height0.100 INCHES NOMINAL IN
Body Outside Diameter0.624 INCHES MINIMUM AND 0.639 INCHES MAXIMUM IN
Seat Angle in Deg30.000 NOMINAL
Flange Seat to Disk End Height0.395 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN
Body Inside Diameter0.600 INCHES MINIMUM AND 0.605 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5998-00-001-9466K134 INTERCHANGEABLE
Circuit Card Assembly
Compaq Federal Llc
4320-00-446-1754KC66W400-119 INTERCHANGEABLE
Parts Kit,liquid Dispensing Pump
Eaton Aerospace, Llc Dba Jackson South
5961-00-675-4538 INTERCHANGEABLE
Transistor
3020-01-064-55973331242APC27 INTERCHANGEABLE
Gear,spur
Naval Sea Systems Command
6105-01-188-71485K49TG8004 INTERCHANGEABLE
Motor,alternating Current
General Electric Co Motor Business Group
6515-01-273-8680K134 INTERCHANGEABLE
Blade,bone Saw,power
Linvatec Corporation Div Linvatec
Cross-Reference Index
Part NumberManufacturer
K134 PRIMARY Clayton Manufacturing Company (USA)
Related Parts
5998-00-001-9466INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
K134
4320-00-446-1754INTERCHANGEABLE
PARTS KIT,LIQUID DISPENSING PUMP
KC66W400-119
5961-00-675-4538INTERCHANGEABLE
TRANSISTOR
3020-01-064-5597INTERCHANGEABLE
GEAR,SPUR
3331242APC27
6105-01-188-7148INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
5K49TG8004
6515-01-273-8680INTERCHANGEABLE
BLADE,BONE SAW,POWER
K134

Frequently Asked Questions

What is NSN 4820-00-490-9576?

NSN 4820-00-490-9576 is a Seat,valve, manufactured by Clayton Manufacturing Company, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-490-9576?

NSN 4820-00-490-9576 has 1 cross-referenced part number: K134 (Clayton Manufacturing Company).

What NSN replaces 4820-00-490-9576?

There are 6 known substitutes for 4820-00-490-9576: 5998-00-001-9466, 4320-00-446-1754, 5961-00-675-4538 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of K134?

Key specifications for K134: Flange Diameter: 0.9082 INCHES MINIMUM AND 0.9087 INCHES MAXIMUM IN; Seating Surface Shape: ANGULAR; Style Designator: PLAIN FLANGED; Material Document and Classification: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com