PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

138530Seat,valve

Meggitt North Hollywood Inc · NSN 4820-01-197-8908 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-197-8908 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-197-8908. Primary manufacturer part number: 138530.
Features
  • Seat,valve — FSC 4820
  • 3 verified cross-references
  • Primary manufacturer: Meggitt North Hollywood Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-197-8908, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Meggitt North Hollywood Inc. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSeat,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersMeggitt North Hollywood Inc (CAGE 79318)
Technical Specifications
ParameterValue
NSN4820-01-197-8908
Primary Part Number138530
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMeggitt North Hollywood Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5310-00-209-2960 INTERCHANGEABLE
Washer,lock
5310-00-559-0070115544 INTERCHANGEABLE
Washer,lock
Rolls-Royce Solutions America Inc
5910-00-776-4367 INTERCHANGEABLE
Capacitor,fixed,metallized,paper
5305-01-197-7942139089 INTERCHANGEABLE
Screw,valve Adjusti
Meggitt North Hollywood Inc
4820-01-197-8305139131 INTERCHANGEABLE
Disk,valve
Meggitt North Hollywood Inc
4820-01-197-8916138770 INTERCHANGEABLE
Stem,fluid Valve
Meggitt North Hollywood Inc
4820-01-197-8919138767 INTERCHANGEABLE
Disk,valve
Meggitt North Hollywood Inc
4320-01-432-9624P31A1-178-BE-AK20-25 INTERCHANGEABLE
Pump,rotary
Parker Hannifin Corporation Div Cylinder Division
Cross-Reference Index
Part NumberManufacturer
234484 ITEM 5 Meggitt North Hollywood Inc (USA)
234484 Meggitt North Hollywood Inc (USA)
138530 PRIMARY Meggitt North Hollywood Inc (USA)
Related Parts
5310-00-209-2960INTERCHANGEABLE
WASHER,LOCK
5310-00-559-0070INTERCHANGEABLE
WASHER,LOCK
115544
5910-00-776-4367INTERCHANGEABLE
CAPACITOR,FIXED,METALLIZED,PAPER
5305-01-197-7942INTERCHANGEABLE
SCREW,VALVE ADJUSTI
139089
4820-01-197-8305INTERCHANGEABLE
DISK,VALVE
139131
4820-01-197-8916INTERCHANGEABLE
STEM,FLUID VALVE
138770
4820-01-197-8919INTERCHANGEABLE
DISK,VALVE
138767
4320-01-432-9624INTERCHANGEABLE
PUMP,ROTARY
P31A1-178-BE-AK20-25

Frequently Asked Questions

What is NSN 4820-01-197-8908?

NSN 4820-01-197-8908 is a Seat,valve, manufactured by Meggitt North Hollywood Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-197-8908?

NSN 4820-01-197-8908 has 3 cross-referenced part numbers: 234484 ITEM 5 (Meggitt North Hollywood Inc), 234484 (Meggitt North Hollywood Inc), 138530 (Meggitt North Hollywood Inc).

What NSN replaces 4820-01-197-8908?

There are 8 known substitutes for 4820-01-197-8908: 5310-00-209-2960, 5310-00-559-0070, 5910-00-776-4367 and 5 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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