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3975791013 — NUT,PLAIN,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

3975791013: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 0.385 INCHES MAXIMUM IN, thread_series: UNIFIED NATIONAL COARSE (UNC), thread_direction: RIGHT-HAND, surface_treatment: PHOSPHATE ZINC OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-659-6347, 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
3975791013
NSN: 5310-01-659-6347
FSC: 5310 — Nuts and Washers
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.385 INCHES MAXIMUM IN
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
surface_treatmentPHOSPHATE ZINC OVERALL
width_across_flats0.675 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN
nominal_thread_size0.44 INCHES IN
bearing_surface_typeFLAT
end_item_identificationMRAP - M-ATV
thread_quantity_per_inch14
part_name_assigned_by_controlling_agencyNUT, HEX, TAB, G8, MB
NSN5310-01-659-6347
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3975791013 · 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: 0.675 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.44 INCHES IN
•
NUT HEIGHT: 0.385 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PHOSPHATE ZINC OVERALL
•
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.675 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.44 INCHES IN
NUT HEIGHT0.385 INCHES MAXIMUM IN
SURFACE TREATMENTPHOSPHATE ZINC OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYNUT, HEX, TAB, G8, MB
NUT STYLEHEXAGON
END ITEM IDENTIFICATIONMRAP - M-ATV
THREAD QUANTITY PER INCH14
SUBSTITUTES & CROSS-REFERENCES 1
3975791Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3975791013?
3975791013 is a NUT,PLAIN,HEXAGON.
What parts can replace 3975791013?
There is 1 known substitute for 3975791013: 3975791. Substitute compatibility should be verified for your specific system.
What is the NSN for 3975791013?
3975791013 is cataloged in the U.S. Government catalog under NSN 5310-01-659-6347. 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.