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MJH3-001-44 ✓ Verified by PartsTable
— · NUT WASHER
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

The WASHER,RECESSED is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, recess_depth: 0.062 INCHES NOMINAL IN, hole_diameter: 0.344 INCHES NOMINAL IN, overall_height: 0.188 INCHES NOMINAL IN, outside_diameter: 1.375 INCHES NOMINAL IN, style_designator: RECESSED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-276-8637, 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
MJH3-001-44
NSN: 5310-00-276-8637
FSC: 5310
CAGE: 54764 — MANCRAFT INDUSTRIES INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
recess_depth0.062 INCHES NOMINAL IN
hole_diameter0.344 INCHES NOMINAL IN
overall_height0.188 INCHES NOMINAL IN
outside_diameter1.375 INCHES NOMINAL IN
style_designatorRECESSED
material_thickness0.124 INCHES NOMINAL IN
NSN5310-00-276-8637
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MJH3-001-44 · OEM ⚠ 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
KEY FEATURES
•
MATERIAL: STEEL OVERALL
•
OUTSIDE DIAMETER: 1.375 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.124 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.344 INCHES NOMINAL IN
•
RECESS DEPTH: 0.062 INCHES NOMINAL IN
•
STYLE DESIGNATOR: RECESSED
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
OUTSIDE DIAMETER1.375 INCHES NOMINAL IN
MATERIAL THICKNESS0.124 INCHES NOMINAL IN
HOLE DIAMETER0.344 INCHES NOMINAL IN
RECESS DEPTH0.062 INCHES NOMINAL IN
OVERALL HEIGHT0.188 INCHES NOMINAL IN
STYLE DESIGNATORRECESSED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
3890Interchangeable
interchangeable cross-reference
interchangeable
B771139-1Interchangeable
interchangeable cross-reference
interchangeable
3890-1BInterchangeable
interchangeable cross-reference
interchangeable
16014TInterchangeable
interchangeable cross-reference
interchangeable
GGG-W-646 TY2CL1STBFMATM151Interchangeable
interchangeable cross-reference
interchangeable
SAR3890Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MJH3-001-44?
MJH3-001-44 is a WASHER,RECESSED.
What parts can replace MJH3-001-44?
There are 12 known substitutes for MJH3-001-44: 3890, B771139-1, 3890-1B and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MJH3-001-44?
MJH3-001-44 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-276-8637. 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