PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

113581Seat,valve

Meggitt North Hollywood Inc · NSN 4820-00-510-9718 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-510-9718 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-510-9718. Primary manufacturer part number: 113581.
Features
  • Seat,valve — FSC 4820
  • 1 verified cross-reference
  • 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 4820-00-510-9718, 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 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 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
NSN4820-00-510-9718
Primary Part Number113581
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMeggitt North Hollywood Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5360-00-600-1009112243 INTERCHANGEABLE
Spring,helical,compression
Hydro-Aire Aerospace Corp
5865-01-032-1230021-001064 INTERCHANGEABLE
Heater,contoured Semi-Rigid
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
2540-01-111-1846113581 INTERCHANGEABLE
Pad,insulating
Cadillac Gage Textron Inc.
5985-01-283-5611113581 INTERCHANGEABLE
Waveguide Assembly
Frontgrade Technologies Inc.
6625-01-394-224711358-1 INTERCHANGEABLE
Test Set,electronic Systems
Hamilton Sundstrand Corporation Dba Collins Aerospace
Cross-Reference Index
Part NumberManufacturer
113581 PRIMARY Meggitt North Hollywood Inc (USA)
Related Parts
5360-00-600-1009INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
112243
5865-01-032-1230INTERCHANGEABLE
HEATER,CONTOURED SEMI-RIGID
021-001064
2540-01-111-1846INTERCHANGEABLE
PAD,INSULATING
113581
5985-01-283-5611INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
113581
6625-01-394-2247INTERCHANGEABLE
TEST SET,ELECTRONIC SYSTEMS
11358-1

Frequently Asked Questions

What is NSN 4820-00-510-9718?

NSN 4820-00-510-9718 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 4820-00-510-9718?

NSN 4820-00-510-9718 has 1 cross-referenced part number: 113581 (Meggitt North Hollywood Inc).

What NSN replaces 4820-00-510-9718?

There are 5 known substitutes for 4820-00-510-9718: 5360-00-600-1009, 5865-01-032-1230, 2540-01-111-1846 and 2 more. Verify interchangeability with system specifications before substitution.

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