PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

139922Seat,valve

Meggitt North Hollywood Inc · NSN 4810-01-199-2939 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-01-199-2939 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-199-2939. Primary manufacturer part number: 139922.
Features
  • Seat,valve — FSC 4810
  • 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 4810-01-199-2939, is classified within Federal Supply Class 4810 (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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSeat,valve
FSC / FSG4810 — No Item Name Available (FSG 48)
ManufacturersMeggitt North Hollywood Inc (CAGE 79318)
Technical Specifications
ParameterValue
NSN4810-01-199-2939
Primary Part Number139922
Item NameSeat,valve
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerMeggitt North Hollywood Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4810-01-197-8893234455 INTERCHANGEABLE
Valve,gate
Meggitt North Hollywood Inc
4820-01-197-8894110161-2 INTERCHANGEABLE
Valve,flow Control
Meggitt North Hollywood Inc
4810-01-197-8895133097-21 INTERCHANGEABLE
Relief Assembly,the
Meggitt North Hollywood Inc
4810-01-199-2938137919 INTERCHANGEABLE
Crank and Slide Ass
Meggitt North Hollywood Inc
4810-01-199-7840138522 INTERCHANGEABLE
Cap,valve
Meggitt North Hollywood Inc
5360-01-232-3521139922 INTERCHANGEABLE
Spring,helical,compression
Curtiss-Wright Electro-Mechanical Corporation Div Epd
5365-01-477-9605234454 INTERCHANGEABLE
Plug,machine Thread
Allied Systems Company Dba Allied Systems Co
Cross-Reference Index
Part NumberManufacturer
234454 Meggitt North Hollywood Inc (USA)
234454 ITEM 4 Meggitt North Hollywood Inc (USA)
139922 PRIMARY Meggitt North Hollywood Inc (USA)
Related Parts
4810-01-197-8893INTERCHANGEABLE
VALVE,GATE
234455
4820-01-197-8894INTERCHANGEABLE
VALVE,FLOW CONTROL
110161-2
4810-01-197-8895INTERCHANGEABLE
RELIEF ASSEMBLY,THE
133097-21
4810-01-199-2938INTERCHANGEABLE
CRANK AND SLIDE ASS
137919
4810-01-199-7840INTERCHANGEABLE
CAP,VALVE
138522
5360-01-232-3521INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
139922
5365-01-477-9605INTERCHANGEABLE
PLUG,MACHINE THREAD
234454

Frequently Asked Questions

What is NSN 4810-01-199-2939?

NSN 4810-01-199-2939 is a Seat,valve, manufactured by Meggitt North Hollywood Inc, classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-01-199-2939?

NSN 4810-01-199-2939 has 3 cross-referenced part numbers: 234454 (Meggitt North Hollywood Inc), 234454 ITEM 4 (Meggitt North Hollywood Inc), 139922 (Meggitt North Hollywood Inc).

What NSN replaces 4810-01-199-2939?

There are 7 known substitutes for 4810-01-199-2939: 4810-01-197-8893, 4820-01-197-8894, 4810-01-197-8895 and 4 more. Verify interchangeability with system specifications before substitution.

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