PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0Seat,valve

Sabreliner Corp · NSN 4820-00-399-2535 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-399-2535 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-399-2535. Primary manufacturer part number: 0.
Features
  • Seat,valve — FSC 4820
  • Body Outside Diameter: 7.625 INCHES NOMINAL IN
  • Seating Surface Shape: FLAT
  • Style Designator: PLAIN
  • Material: STEEL COMP 410 OVERALL
  • Body Inside Diameter: 6.875 INCHES NOMINAL IN
  • 4 verified cross-references
  • Primary manufacturer: Sabreliner Corp
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Comp 410 Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-399-2535, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Sabreliner Corp. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, 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
NSN4820-00-399-2535
Primary Part Number0
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSabreliner Corp
StatusACTIVE
Body Outside Diameter7.625 INCHES NOMINAL IN
Seating Surface ShapeFLAT
Style DesignatorPLAIN
MaterialSTEEL COMP 410 OVERALL
Body Inside Diameter6.875 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5935-00-581-3961PN-150 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Methode Electronics Inc Div Power Solutions Group
5315-00-823-874079-012-062-0375 INTERCHANGEABLE
Pin,spring
Esna, Llc
Cross-Reference Index
Part NumberManufacturer
0 PRIMARY Sabreliner Corp (USA)
P.N.150 Byron W H Inc a C E Div (USA)
3982F2 PRIMARY Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (USA)
44B2821-793 PRIMARY Carrier Corp (USA)
Related Parts
5935-00-581-3961INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
PN-150
5315-00-823-8740INTERCHANGEABLE
PIN,SPRING
79-012-062-0375

Frequently Asked Questions

What is NSN 4820-00-399-2535?

NSN 4820-00-399-2535 is a Seat,valve, manufactured by Sabreliner Corp, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-399-2535?

NSN 4820-00-399-2535 has 4 cross-referenced part numbers: 0 (Sabreliner Corp), P.N.150 (Byron W H Inc a C E Div), 3982F2 (Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa), 44B2821-793 (Carrier Corp).

What NSN replaces 4820-00-399-2535?

There are 2 known substitutes for 4820-00-399-2535: 5935-00-581-3961, 5315-00-823-8740. Verify interchangeability with system specifications before substitution.

What are the specifications of 0?

Key specifications for 0: Body Outside Diameter: 7.625 INCHES NOMINAL IN; Overall Height: 0.813 INCHES NOMINAL IN; Seating Surface Shape: FLAT; Style Designator: PLAIN. 6 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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