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PartsTable / COMPONENT / 4174-40D
4174-40D ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

PLATE,SPRAYER,OIL BURNER ATOMIZE. Key specifications include material: STEEL COMP 440C, atomizer_type: RETURN FLOW, overall_height: 0.233 INCHES NOMINAL IN, size_designator: 40D, overall_diameter: 0.997 INCHES NOMINAL IN, material_document_and_classification: QQ-S-763, CLASS 440C FED SPEC SINGLE MATERIAL RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4530-00-372-0912, 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
4174-40D
NSN: 4530-00-372-0912
FSC: 4530
CAGE: 89256 — NAVAL SHIP ENGINEERING CENTER PHILADELPHIA DIV (USA)
SPECIFICATIONS
materialSTEEL COMP 440C
atomizer_typeRETURN FLOW
overall_height0.233 INCHES NOMINAL IN
size_designator40D
overall_diameter0.997 INCHES NOMINAL IN
material_document_and_classificationQQ-S-763, CLASS 440C FED SPEC SINGLE MATERIAL RESPONSE
NSN4530-00-372-0912
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PLATE,SPRAYER,OIL BURNER ATOMIZE TITLE COMPONENT PN 4174-40D MFR PLATE,SPRAYER,OIL BURN
KEY FEATURES
•
OVERALL DIAMETER: 0.997 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 440C
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763, CLASS 440C FED SPEC SINGLE MATERIAL RESPONSE
•
ATOMIZER TYPE: RETURN FLOW
•
SIZE DESIGNATOR: 40D
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER0.997 INCHES NOMINAL IN
OVERALL HEIGHT0.233 INCHES NOMINAL IN
MATERIALSTEEL COMP 440C
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763, CLASS 440C FED SPEC SINGLE MATERIAL RESPONSE
ATOMIZER TYPERETURN FLOW
SIZE DESIGNATOR40D
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
S5504-494537PC2Interchangeable
interchangeable cross-reference
interchangeable
4174-36DInterchangeable
interchangeable cross-reference
interchangeable
S5504-494537PC2-42DInterchangeable
interchangeable cross-reference
interchangeable
4174-42DInterchangeable
interchangeable cross-reference
interchangeable
4174-44DInterchangeable
interchangeable cross-reference
interchangeable
S5504-494537PC2-54DInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4174-40D?
4174-40D is a PLATE,SPRAYER,OIL BURNER ATOMIZE.
What parts can replace 4174-40D?
There are 9 known substitutes for 4174-40D: S5504-494537PC2, 4174-36D, S5504-494537PC2-42D and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4174-40D?
4174-40D is cataloged in the Federal Logistics Information System (FLIS) under NSN 4530-00-372-0912. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026