PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

96249Seat,piston

Reidville Hydraulics & Mfg Inc · NSN 4820-00-562-1057 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-562-1057 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-562-1057. Primary manufacturer part number: 96249.
Features
  • Seat,piston — FSC 4820
  • General Characteristics Item Description: STEEL,0.344 IN. LG,0.440 IN. W,0.250-20 NC THD HOLE TAPPED 0.156 IN. DEEP IN
  • 2 verified cross-references
  • Primary manufacturer: Reidville Hydraulics & Mfg Inc
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Seat,piston, cataloged under National Stock Number 4820-00-562-1057, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Reidville Hydraulics & Mfg Inc. 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
NSN4820-00-562-1057
Primary Part Number96249
Item NameSeat,piston
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerReidville Hydraulics & Mfg Inc
StatusACTIVE
General Characteristics Item DescriptionSTEEL,0.344 IN. LG,0.440 IN. W,0.250-20 NC THD HOLE TAPPED 0.156 IN. DEEP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2990-01-331-8825 INTERCHANGEABLE
Pipe,exhaust
Cross-Reference Index
Part NumberManufacturer
96249 PRIMARY Reidville Hydraulics & Mfg Inc (USA)
96249 Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
2990-01-331-8825INTERCHANGEABLE
PIPE,EXHAUST

Frequently Asked Questions

What is NSN 4820-00-562-1057?

NSN 4820-00-562-1057 is a Seat,piston, manufactured by Reidville Hydraulics & Mfg Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-562-1057?

NSN 4820-00-562-1057 has 2 cross-referenced part numbers: 96249 (Reidville Hydraulics & Mfg Inc), 96249 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 4820-00-562-1057?

There is 1 known substitute for 4820-00-562-1057: 2990-01-331-8825. Verify interchangeability with system specifications before substitution.

What are the specifications of 96249?

Key specifications for 96249: General Characteristics Item Description: STEEL,0.344 IN. LG,0.440 IN. W,0.250-20 NC THD HOLE TAPPED 0.156 IN. DEEP IN. 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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