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MQ407 — ORIFICE ASSEMBLY

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

MQ407: ORIFICE ASSEMBLY.

The ORIFICE ASSEMBLY is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: CONSISTS OF ORIFICE,BRASS,1; COUPLING,HALF UNION,BRASS,1. This part is cataloged in the U.S.

Government catalog under NSN 4520-00-153-4621, 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
MQ407
NSN: 4520-00-153-4621
FSC: 4520 — Space and Water Heating Equipment
CAGE: 92870 — SILENT GLOW CORP THE (USA)
SPECIFICATIONS
general_characteristics_item_descriptionCONSISTS OF ORIFICE,BRASS,1; COUPLING,HALF UNION,BRASS,1
NSN4520-00-153-4621
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ORIFICE ASSEMBLY TITLE COMPONENT PN MQ407 MFR ORIFICE ASSEMBLY
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: CONSISTS OF ORIFICE,BRASS,1; COUPLING,HALF UNION,BRASS,1
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCONSISTS OF ORIFICE,BRASS,1; COUPLING,HALF UNION,BRASS,1
SUBSTITUTES & CROSS-REFERENCES 6
B91656Reference document
Same NSN cross-reference
Reference document — Secondary reference
T0F30Reference document
Same NSN cross-reference
Reference document — Secondary reference
25006-10-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
5-13-2041-10-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
YLB5627Reference document
Same NSN cross-reference
Reference document — Secondary reference
G27219Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MQ407?
MQ407 is a ORIFICE ASSEMBLY.
What parts can replace MQ407?
There are 6 known substitutes for MQ407: B91656, T0F30, 25006-10-1 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MQ407?
MQ407 is cataloged in the U.S. Government catalog under NSN 4520-00-153-4621. 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.