PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

102177Seat,valve

Ohio Medical Corporation Dba Ohio Medical Corp Ltd U.k · NSN 4820-01-200-4301 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-200-4301 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-200-4301. Primary manufacturer part number: 102177.
Features
  • Seat,valve — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Ohio Medical Corporation Dba Ohio Medical Corp Ltd U.k
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-200-4301, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Ohio Medical Corporation Dba Ohio Medical Corp Ltd U.k. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-200-4301
Primary Part Number102177
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerOhio Medical Corporation Dba Ohio Medical Corp Ltd U.k
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4720-00-990-1678M20 INTERCHANGEABLE
Hose,preformed
Parker-Hannifin Corporation Dba Pneutronics Div Hose Products Division
5961-01-206-4127SCD102177 INTERCHANGEABLE
Transistor
Marine Electric Systems Inc
Cross-Reference Index
Part NumberManufacturer
102177 PRIMARY Ohio Medical Corporation Dba Ohio Medical Corp Ltd U.k (USA)
Related Parts
4720-00-990-1678INTERCHANGEABLE
HOSE,PREFORMED
M20
5961-01-206-4127INTERCHANGEABLE
TRANSISTOR
SCD102177

Frequently Asked Questions

What is NSN 4820-01-200-4301?

NSN 4820-01-200-4301 is a Seat,valve, manufactured by Ohio Medical Corporation Dba Ohio Medical Corp Ltd U.k, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-200-4301?

NSN 4820-01-200-4301 has 1 cross-referenced part number: 102177 (Ohio Medical Corporation Dba Ohio Medical Corp Ltd U.k).

What NSN replaces 4820-01-200-4301?

There are 2 known substitutes for 4820-01-200-4301: 4720-00-990-1678, 5961-01-206-4127. Verify interchangeability with system specifications before substitution.

What are the specifications of 102177?

Key specifications for 102177: End Item Identification: SQUIRE COGSWELL MODEL 7NL2FA. 1 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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