PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21992Seat,valve

Hoffman/new Yorker Inc · NSN 4820-01-192-5693 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-192-5693 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-192-5693. Primary manufacturer part number: 21992.
Features
  • Seat,valve — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Hoffman/new Yorker Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-192-5693, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hoffman/new Yorker Inc. 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.

Catalog Facts
Item NameSeat,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersHoffman/new Yorker Inc (CAGE 43528)
Technical Specifications
ParameterValue
NSN4820-01-192-5693
Primary Part Number21992
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHoffman/new Yorker Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-512-52082-199-2 INTERCHANGEABLE
Washer,flat
Amphenol Corp Div Amphenol Aerospace Operations
5935-00-578-295164321000050 INTERCHANGEABLE
Connector,receptacle,electrical
Elbitamerica, Inc.
Cross-Reference Index
Part NumberManufacturer
21992 PRIMARY Hoffman/new Yorker Inc (USA)
Related Parts
5310-00-512-5208INTERCHANGEABLE
WASHER,FLAT
2-199-2
5935-00-578-2951INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
64321000050

Frequently Asked Questions

What is NSN 4820-01-192-5693?

NSN 4820-01-192-5693 is a Seat,valve, manufactured by Hoffman/new Yorker Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-192-5693?

NSN 4820-01-192-5693 has 1 cross-referenced part number: 21992 (Hoffman/new Yorker Inc).

What NSN replaces 4820-01-192-5693?

There are 2 known substitutes for 4820-01-192-5693: 5310-00-512-5208, 5935-00-578-2951. Verify interchangeability with system specifications before substitution.

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