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SO-M3-6 — NUT,PLAIN,CLINCH

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

SO-M3-6: NUT,PLAIN,CLINCH.

The NUT,PLAIN,CLINCH is a the manufacturer industrial component. Key specifications include material: STEEL NUT, thread_series: ISO M, pilot_diameter: 4.19 MILLIMETERS NOMINAL MM, surface_treatment: CADMIUM NUT, width_across_flats: 4.8 MILLIMETERS NOMINAL MM, nominal_thread_size: 6.0 MILLIMETERS MM. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-366-5994, 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
SO-M3-6
NSN: 5310-01-366-5994
FSC: 5310 — Nuts and Washers
CAGE: 46384 — PENN ENGINEERING & MANUFACTURING CORP (USA)
SPECIFICATIONS
materialSTEEL NUT
thread_seriesISO M
pilot_diameter4.19 MILLIMETERS NOMINAL MM
surface_treatmentCADMIUM NUT
width_across_flats4.8 MILLIMETERS NOMINAL MM
nominal_thread_size6.0 MILLIMETERS MM
thread_pitch_in_millimeters0.50
NSN5310-01-366-5994
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: SO-M3-6 · 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
•
WIDTH ACROSS FLATS: 4.8 MILLIMETERS NOMINAL MM
•
THREAD SERIES: ISO M
•
THREAD PITCH IN MILLIMETERS: 0.50
•
NOMINAL THREAD SIZE: 6.0 MILLIMETERS MM
•
PILOT DIAMETER: 4.19 MILLIMETERS NOMINAL MM
•
SURFACE TREATMENT: CADMIUM NUT
•
MATERIAL: STEEL NUT
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS4.8 MILLIMETERS NOMINAL MM
THREAD SERIESISO M
THREAD PITCH IN MILLIMETERS0.50
NOMINAL THREAD SIZE6.0 MILLIMETERS MM
PILOT DIAMETER4.19 MILLIMETERS NOMINAL MM
SURFACE TREATMENTCADMIUM NUT
MATERIALSTEEL NUT
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SO-M3-6?
SO-M3-6 is a NUT,PLAIN,CLINCH.
What is the NSN for SO-M3-6?
SO-M3-6 is cataloged in the U.S. Government catalog under NSN 5310-01-366-5994. 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.