PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E375Pilot,valve Seat Refacing

Sioux Tools Inc · NSN 4910-01-439-2892 · FSC 4910 · No Item Name Available
Verified by PartsTable
NSN 4910-01-439-2892 — this item is cataloged by the U.S. Government under National Stock Number 4910-01-439-2892. Primary manufacturer part number: E375.
Features
  • Pilot,valve Seat Refacing — FSC 4910
  • Design Type: EXPANDING
  • Size: 0.3750 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Sioux Tools Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Pilot,valve Seat Refacing, cataloged under National Stock Number 4910-01-439-2892, is classified within Federal Supply Class 4910 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Sioux Tools Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN4910-01-439-2892
Primary Part NumberE375
Item NamePilot,valve Seat Refacing
FSC / FSG4910 / 49 — No Item Name Available
ManufacturerSioux Tools Inc
StatusACTIVE
Design TypeEXPANDING
Size0.3750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2805-00-863-1785S-2431 INTERCHANGEABLE
Valve,poppet,engine
Eaton Corp Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
NO. 1726E ITEM 30 Sioux Tools Inc (USA)
E375 PRIMARY Sioux Tools Inc (USA)
Related Parts
2805-00-863-1785INTERCHANGEABLE
VALVE,POPPET,ENGINE
S-2431

Frequently Asked Questions

What is NSN 4910-01-439-2892?

NSN 4910-01-439-2892 is a Pilot,valve Seat Refacing, manufactured by Sioux Tools Inc, classified under FSC 4910 (No Item Name Available). Status: active.

What are the part numbers for NSN 4910-01-439-2892?

NSN 4910-01-439-2892 has 2 cross-referenced part numbers: NO. 1726E ITEM 30 (Sioux Tools Inc), E375 (Sioux Tools Inc).

What NSN replaces 4910-01-439-2892?

There is 1 known substitute for 4910-01-439-2892: 2805-00-863-1785. Verify interchangeability with system specifications before substitution.

What are the specifications of E375?

Key specifications for E375: Design Type: EXPANDING; Special Features: USED ON WASP CLASS LHA; Size: 0.3750 INCHES NOMINAL IN. 3 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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