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PartsTable / COMPONENT / MS20392-3-31
MS20392-3-31 ✓ 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 PIN,STRAIGHT,HEADED is a the manufacturer industrial component. Key specifications include height: 0.062 INCHES NOMINAL IN, diameter: 0.248 INCHES NOMINAL IN, material: STEEL OVERALL, head_style: FLAT, chamfer_length: 0.062 INCHES NOMINAL IN, style_designator: STRAIGHT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-235-1173, 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
MS20392-3-31
NSN: 5315-00-235-1173
FSC: 5315
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
height0.062 INCHES NOMINAL IN
diameter0.248 INCHES NOMINAL IN
materialSTEEL OVERALL
head_styleFLAT
chamfer_length0.062 INCHES NOMINAL IN
style_designatorSTRAIGHT
pin_chamfer_angle15.0 DEGREES NOMINAL
pin_head_diameter0.375 INCHES NOMINAL IN
surface_treatmentCADMIUM OR ZINC OVERALL
under_head_length1.109 INCHES NOMINAL IN
first_hole_diameter0.076 INCHES NOMINAL IN
hole_arrangement_styleONE END DRILLED
NSN5315-00-235-1173
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MS20392-3-31 · 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
•
DISTANCE FROM CENTERLINE OF HOLE TO END OF PIN: 0.09225 INCHES NOMINAL IN
•
HOLE ARRANGEMENT STYLE: ONE END DRILLED
•
FIRST HOLE DIAMETER: 0.076 INCHES NOMINAL IN
•
HEAD STYLE: FLAT
•
CHAMFER LENGTH: 0.062 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
•
HEIGHT: 0.062 INCHES NOMINAL IN
•
DIAMETER: 0.248 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
DISTANCE FROM CENTERLINE OF HOLE TO END OF PIN0.09225 INCHES NOMINAL IN
HOLE ARRANGEMENT STYLEONE END DRILLED
FIRST HOLE DIAMETER0.076 INCHES NOMINAL IN
HEAD STYLEFLAT
CHAMFER LENGTH0.062 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
HEIGHT0.062 INCHES NOMINAL IN
DIAMETER0.248 INCHES NOMINAL IN
PIN HEAD DIAMETER0.375 INCHES NOMINAL IN
UNDER HEAD LENGTH1.109 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
7620360PT32Interchangeable
interchangeable cross-reference
interchangeable
25-1070Interchangeable
interchangeable cross-reference
interchangeable
BA-10034-121Interchangeable
interchangeable cross-reference
interchangeable
AN394-31Interchangeable
Same NIIN cross-reference
interchangeable
810067Interchangeable
Same NIIN cross-reference
interchangeable
NASM5673Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS20392-3-31?
MS20392-3-31 is a PIN,STRAIGHT,HEADED.
What parts can replace MS20392-3-31?
There are 6 known substitutes for MS20392-3-31: 7620360PT32, 25-1070, BA-10034-121 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS20392-3-31?
MS20392-3-31 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-235-1173. 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