PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28081-3Seat,valve

Haskel International, Llc Dba Haskel International, Llc · NSN 4820-01-253-4604 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-253-4604 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-253-4604. Primary manufacturer part number: 28081-3.
Features
  • Seat,valve — FSC 4820
  • Material: STEEL SEAT
  • 2 verified cross-references
  • Primary manufacturer: Haskel International, Llc Dba Haskel International, Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Seat construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-253-4604, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Haskel International, Llc Dba Haskel International, Llc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-253-4604
Primary Part Number28081-3
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHaskel International, Llc Dba Haskel International, Llc
StatusACTIVE
MaterialSTEEL SEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
7350-01-013-05362808-13 INTERCHANGEABLE
Dispenser,compressible Bottle
The Vollrath Company, L.l.c. Div Vollrath
Cross-Reference Index
Part NumberManufacturer
28081-3 Haskel International, Llc Dba Haskel International, Llc (USA)
28081-3 Mosier Fluid Power of Ohio Inc Dba Kc Mosier Co (USA)
Related Parts
7350-01-013-0536INTERCHANGEABLE
DISPENSER,COMPRESSIBLE BOTTLE
2808-13

Frequently Asked Questions

What is NSN 4820-01-253-4604?

NSN 4820-01-253-4604 is a Seat,valve, manufactured by Haskel International, Llc Dba Haskel International, Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-253-4604?

NSN 4820-01-253-4604 has 2 cross-referenced part numbers: 28081-3 (Haskel International, Llc Dba Haskel International, Llc), 28081-3 (Mosier Fluid Power of Ohio Inc Dba Kc Mosier Co).

What NSN replaces 4820-01-253-4604?

There is 1 known substitute for 4820-01-253-4604: 7350-01-013-0536. Verify interchangeability with system specifications before substitution.

What are the specifications of 28081-3?

Key specifications for 28081-3: Material: STEEL SEAT; End Item Identification: 1450-01-222-0591. 2 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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