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4174-33Y20 — PLATE,SPRAYER,OIL BURNER ATOMIZE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

4174-33Y20: PLATE,SPRAYER,OIL BURNER ATOMIZE.

PLATE,SPRAYER,OIL BURNER ATOMIZE. Key specifications include material: STEEL COMP 303, atomizer_type: RETURN FLOW, overall_height: 0.342 INCHES NOMINAL IN, size_designator: 33Y20, overall_diameter: 0.998 INCHES NOMINAL IN, material_document_and_classification: QQ-S-764, TYPE 303, COND A-CANCELED FED SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 4530-00-372-0920, 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
4174-33Y20
NSN: 4530-00-372-0920
FSC: 4530 — Fuel Burning Equipment Units
CAGE: 31923 — TODD COMBUSTION INC (USA)
SPECIFICATIONS
materialSTEEL COMP 303
atomizer_typeRETURN FLOW
overall_height0.342 INCHES NOMINAL IN
size_designator33Y20
overall_diameter0.998 INCHES NOMINAL IN
material_document_and_classificationQQ-S-764, TYPE 303, COND A-CANCELED FED SPEC SINGLE MATERIAL RESPONSE
NSN4530-00-372-0920
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PLATE,SPRAYER,OIL BURNER ATOMIZE TITLE COMPONENT PN 4174-33Y20 MFR PLATE,SPRAYER,OIL BURN
KEY FEATURES
•
ATOMIZER TYPE: RETURN FLOW
•
OVERALL DIAMETER: 0.998 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-764, TYPE 303, COND A-CANCELED FED SPEC SINGLE MATERIAL RESPONSE
•
SIZE DESIGNATOR: 33Y20
•
MATERIAL: STEEL COMP 303
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.342 INCHES NOMINAL IN
ATOMIZER TYPERETURN FLOW
OVERALL DIAMETER0.998 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764, TYPE 303, COND A-CANCELED FED SPEC SINGLE MATERIAL RESPONSE
SIZE DESIGNATOR33Y20
MATERIALSTEEL COMP 303
OTHER ITEMS IN FSC 4530 — Fuel Burning Equipment Units
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4530-00-001-3523 4530-00-001-6290 4530-00-001-7971 4530-00-003-0102 4530-00-003-0103 4530-00-004-8325 4530-00-004-8337 4530-00-004-8398
SUBSTITUTES & CROSS-REFERENCES 2
33Y20Reference document
Same NSN cross-reference
Reference document — Secondary reference
S5504-494537PC1-33Y20Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4174-33Y20?
4174-33Y20 is a PLATE,SPRAYER,OIL BURNER ATOMIZE.
What parts can replace 4174-33Y20?
There are 2 known substitutes for 4174-33Y20: 33Y20, S5504-494537PC1-33Y20. Substitute compatibility should be verified for your specific system.
What is the NSN for 4174-33Y20?
4174-33Y20 is cataloged in the U.S. Government catalog under NSN 4530-00-372-0920. 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.