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Technical Data Sheet
PartsTable / COMPONENT / 31428
31428 ✓ Verified by PartsTable
Trefl · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

HEATING ELEMENT,ELECTRICAL,NONIM. Key specifications include width: 7.062 INCHES NOMINAL IN, length: 22.750 INCHES NOMINAL IN, material: COPPER ALLOY MOUNTING FACILITY, overall_width: 0.203 INCHES IN, exterior_color: NATURAL, overall_length: 0.450 INCHES IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-492-4605, 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
31428
NSN: 5305-00-492-4605
FSC: 5305
CAGE: 81795 — ALLIANZ SWEEPER COMPANY (USA)
SPECIFICATIONS
width7.062 INCHES NOMINAL IN
length22.750 INCHES NOMINAL IN
materialCOPPER ALLOY MOUNTING FACILITY
overall_width0.203 INCHES IN
exterior_colorNATURAL
overall_length0.450 INCHES IN
connection_typeINTERNAL QUICK DISCONNECT SECOND END
inside_diameter0.500 INCHES NOMINAL IN
element_quantity1
outside_diameter0.315 INCHES NOMINAL IN
basic_shape_styleCRIMP
material_thickness0.020 INCHES IN
NSN5305-00-492-4605
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 31428 · Trefl ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
2-871572Interchangeable
interchangeable cross-reference
interchangeable
51428Interchangeable
interchangeable cross-reference
interchangeable
31428Interchangeable
interchangeable cross-reference
interchangeable
431428-001Interchangeable
interchangeable cross-reference
interchangeable
50744Interchangeable
interchangeable cross-reference
interchangeable
E9707Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 31428?
31428 is a HEATING ELEMENT,ELECTRICAL,NONIM manufactured by Trefl.
What parts can replace 31428?
There are 9 known substitutes for 31428: 2-871572, 51428, 31428 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 31428?
31428 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-492-4605. 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