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427337 — BREATHER

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

427337: BREATHER.

The BREATHER is a the manufacturer industrial component. Key specifications include filter_type: OIL BATH, body_material: STEEL, overall_height: 4.812 INCHES MAXIMUM IN, connection_type: THREADED, outside_diameter: 2.875 INCHES MAXIMUM IN, thread_size_and_series/type_designator: 1/2-14 NPT. This part is cataloged in the U.S.

Government catalog under NSN 2805-00-699-6515, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
427337
NSN: 2805-00-699-6515
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 65282 — WHITE MOTOR CORP (USA)
SPECIFICATIONS
filter_typeOIL BATH
body_materialSTEEL
overall_height4.812 INCHES MAXIMUM IN
connection_typeTHREADED
outside_diameter2.875 INCHES MAXIMUM IN
special_featuresW/BODY;INTEGRAL W/TUBE;W/FILTER MATERIAL,BRASS WOOL PACK TYPE FILTER MATERIAL;NOT REPLACEABLE;W/CAP,CLIP-ON TYPE;PAINTED;THD TYPE MTG,EXTERNALLY MTD
thread_size_and_series/type_designator1/2-14 NPT
NSN2805-00-699-6515
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BREATHER TITLE COMPONENT PN 427337 MFR BREATHER
KEY FEATURES
•
FILTER TYPE: OIL BATH
•
OUTSIDE DIAMETER: 2.875 INCHES MAXIMUM IN
•
CONNECTION TYPE: THREADED
•
BODY MATERIAL: STEEL
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 1/2-14 NPT
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT4.812 INCHES MAXIMUM IN
FILTER TYPEOIL BATH
OUTSIDE DIAMETER2.875 INCHES MAXIMUM IN
CONNECTION TYPETHREADED
BODY MATERIALSTEEL
SPECIAL FEATURESW/BODY;INTEGRAL W/TUBE;W/FILTER MATERIAL,BRASS WOOL PACK TYPE FILTER MATERIAL;NOT REPLACEABLE;W/CAP,CLIP-ON TYPE;PAINTED;THD TYPE MTG,EXTERNALLY MTD
THREAD SIZE AND SERIES/TYPE DESIGNATOR1/2-14 NPT
OTHER ITEMS IN FSC 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2805-00-010-2959 2805-00-066-3426 2805-00-326-0797 2805-00-395-7778 2805-00-422-9321 2805-00-447-9114 2805-00-448-0786 2805-00-561-9463
SUBSTITUTES & CROSS-REFERENCES 2
11817HSSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2UU31507Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 427337?
427337 is a BREATHER.
What parts can replace 427337?
There are 2 known substitutes for 427337: 11817HS, 2UU31507. Substitute compatibility should be verified for your specific system.
What is the NSN for 427337?
427337 is cataloged in the U.S. Government catalog under NSN 2805-00-699-6515. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.