PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W18Breather

Emglo Products Corp · NSN 4310-01-299-0493 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-01-299-0493 — this item is cataloged by the U.S. Government under National Stock Number 4310-01-299-0493. Primary manufacturer part number: W18.
Features
  • Breather — FSC 4310
  • 1 verified cross-reference
  • Primary manufacturer: Emglo Products Corp
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Breather, cataloged under National Stock Number 4310-01-299-0493, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Emglo Products Corp. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4310-01-299-0493
Primary Part NumberW18
Item NameBreather
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerEmglo Products Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5310-00-186-0977 INTERCHANGEABLE
Washer,key
3426-00-243-3169 INTERCHANGEABLE
Tank,hot Dip,directly Heated
2920-00-294-38963076 INTERCHANGEABLE
Spark Plug
Allied-Signal Inc Autolite Div
5999-00-499-7441W18 INTERCHANGEABLE
Heater,thermal Release
Ward Leonard Ct Llc
Cross-Reference Index
Part NumberManufacturer
W18 PRIMARY Emglo Products Corp (USA)
Related Parts
5310-00-186-0977INTERCHANGEABLE
WASHER,KEY
3426-00-243-3169INTERCHANGEABLE
TANK,HOT DIP,DIRECTLY HEATED
2920-00-294-3896INTERCHANGEABLE
SPARK PLUG
3076
5999-00-499-7441INTERCHANGEABLE
HEATER,THERMAL RELEASE
W18

Frequently Asked Questions

What is NSN 4310-01-299-0493?

NSN 4310-01-299-0493 is a Breather, manufactured by Emglo Products Corp, classified under FSC 4310 (No Item Name Available). Status: active.

What are the part numbers for NSN 4310-01-299-0493?

NSN 4310-01-299-0493 has 1 cross-referenced part number: W18 (Emglo Products Corp).

What NSN replaces 4310-01-299-0493?

There are 4 known substitutes for 4310-01-299-0493: 5310-00-186-0977, 3426-00-243-3169, 2920-00-294-3896 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W18?

Key specifications for W18: End Item Identification: EMGLO COMPRESSOR PUMP,MODEL W. 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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