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31-339 — DIAPHRAGM,PRESSURE SWITCH

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

31-339: DIAPHRAGM,PRESSURE SWITCH.

The DIAPHRAGM,PRESSURE SWITCH is a the manufacturer industrial component. Key specifications include material: PLASTIC LENS, flange_width: 0.103 INCHES NOMINAL IN, overall_height: 0.438 INCHES NOMINAL IN, mounting_method: FLANGE, overall_diameter: 4.250 INCHES NOMINAL IN, style_designator: CONVEX. This part is cataloged in the U.S.

Government catalog under NSN 6220-00-890-5907, 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
MRO→ MRO_GENERAL→ 31-339
NSN: 6220-00-890-5907
NIINs: 008905907, 011820992, 013917725
FSC: 6220 — Electric Vehicular Lights and Fixtures
CAGE: 13841 — TIFFIN PARTS, L.L.C. DIV SUBSIDIARY OF PETTIBONE CORP. (USA)
SPECIFICATIONS
materialPLASTIC LENS
flange_width0.103 INCHES NOMINAL IN
overall_height0.438 INCHES NOMINAL IN
mounting_methodFLANGE
overall_diameter4.250 INCHES NOMINAL IN
style_designatorCONVEX
surface_conditionSMOOTH FACE
effective_diameter4.045 INCHES NOMINAL IN
mounting_device_quantity1
light_transmission_designTRANSLUCENT LENS
NSN6220-00-890-5907
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available DIAPHRAGM,PRESSURE SWITCH TITLE COMPONENT PN 31-339 MFR DIAPHRAGM,PRESSURE SWI
KEY FEATURES
•
EFFECTIVE DIAMETER: 4.045 INCHES NOMINAL IN
•
OVERALL DIAMETER: 4.250 INCHES NOMINAL IN
•
MOUNTING METHOD: FLANGE
•
STYLE DESIGNATOR: CONVEX
•
SURFACE CONDITION: SMOOTH FACE
•
MOUNTING DEVICE QUANTITY: 1
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.438 INCHES NOMINAL IN
EFFECTIVE DIAMETER4.045 INCHES NOMINAL IN
OVERALL DIAMETER4.250 INCHES NOMINAL IN
MOUNTING METHODFLANGE
STYLE DESIGNATORCONVEX
SURFACE CONDITIONSMOOTH FACE
SURFACE CONDITIONSMOOTH BACK
MOUNTING DEVICE QUANTITY1
COLORAMBER LENS
LIGHT TRANSMISSION DESIGNTRANSLUCENT LENS
SUBSTITUTES & CROSS-REFERENCES 9
077-15000Reference document
Same NSN cross-reference
Reference document — Secondary reference
77-150AReference document
Same NSN cross-reference
Reference document — Secondary reference
31242Reference document
Same NSN cross-reference
Reference document — Secondary reference
A1T036AReference document
Same NSN cross-reference
Reference document — Secondary reference
624VLL00092Reference document
Same NSN cross-reference
Reference document — Secondary reference
150AReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 31-339?
31-339 is a DIAPHRAGM,PRESSURE SWITCH. It is classified as a MRO (MRO_GENERAL).
What parts can replace 31-339?
There are 9 known substitutes for 31-339: 077-15000, 77-150A, 31242 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 31-339?
31-339 is cataloged in the U.S. Government catalog under NSN 6220-00-890-5907. 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.