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PartsTable / MRO / 10442
10442 ✓ Verified by PartsTable
Trefl · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

Premium quality is achieved by using appropriate thick cardboard, a special non-reflective layer, and puzzle pieces’ perfect fitting. Key specifications include material: COPPER ALLOY, body_style: INTERNAL FLANGE W/EXTERNAL LOCKING FLANGE, body_width: 2.312 INCHES NOMINAL IN, body_height: 2.180 INCHES MAXIMUM IN, body_length: 2.375 INCHES NOMINAL IN, corner_shape: SQUARE OUTSIDE RIGHT CORNER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-382-8644, 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→ 10442
NSN: 5310-00-382-8644
FSC: 5310
CAGE: 50019 — READY POWER CO THE (USA)
SPECIFICATIONS
materialCOPPER ALLOY
body_styleINTERNAL FLANGE W/EXTERNAL LOCKING FLANGE
body_width2.312 INCHES NOMINAL IN
body_height2.180 INCHES MAXIMUM IN
body_length2.375 INCHES NOMINAL IN
corner_shapeSQUARE OUTSIDE RIGHT CORNER
thread_class3A SINGLE PRESSURE CONNECTION A
chamfer_angle15.0 DEGREES NOMINAL OUTSIDE LEFT CORNER
corner_radius0.250 INCHES NOMINAL INSIDE RIGHT CORNER IN
overall_width1.090 INCHES NOMINAL IN
terminal_typeWIRE LEAD
thread_length0.625 INCHES NOMINAL SINGLE PRESSURE CONNECTION IN
NSN5310-00-382-8644
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 10442 · Trefl ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
5559Interchangeable
interchangeable cross-reference
interchangeable
705Z0D32AInterchangeable
interchangeable cross-reference
interchangeable
70-1370Interchangeable
interchangeable cross-reference
interchangeable
SL4232PC81Interchangeable
interchangeable cross-reference
interchangeable
SL5676PC81Interchangeable
interchangeable cross-reference
interchangeable
SL5612PC81Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 10442?
10442 is a SWITCH,THERMOSTATIC manufactured by Trefl. It is classified as a MRO (MRO_GENERAL).
What parts can replace 10442?
There are 24 known substitutes for 10442: 5559, 705Z0D32A, 70-1370 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 10442?
10442 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-382-8644. 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