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6870325-4 — NUT,SELF-LOCKING,DOUBLE HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

6870325-4: NUT,SELF-LOCKING,DOUBLE HEXAGON.

NUT,SELF-LOCKING,DOUBLE HEXAGON. Key specifications include material: IRON ALLOY 660 OVERALL, nut_style: DOUBLE HEXAGON, nut_height: 0.317 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN, lubrication: DRY FILM LUBRICANT, temp_rating: 800.0 FAHRENHEIT MAXIMUM DEGF, thread_class: 3B. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-446-6037, 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
6870325-4
NSN: 5310-01-446-6037
NIINs: 014466037, 014468219, 014638954
FSC: 5310 — Nuts and Washers
CAGE: 73342 — ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC (USA)
SPECIFICATIONS
materialIRON ALLOY 660 OVERALL
nut_styleDOUBLE HEXAGON
nut_height0.317 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
lubricationDRY FILM LUBRICANT
temp_rating800.0 FAHRENHEIT MAXIMUM DEGF
thread_class3B
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
locking_featureDEFORMED TO PRODUCE LOCKING ACTION
thread_directionRIGHT-HAND
width_across_flats0.306 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN
nominal_thread_size0.250 INCHES IN
bearing_surface_typeWASHER FACED
NSN5310-01-446-6037
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 6870325-4 · 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
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONUSED ON C130J HERCULES
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6870325-4?
6870325-4 is a NUT,SELF-LOCKING,DOUBLE HEXAGON.
What is the NSN for 6870325-4?
6870325-4 is cataloged in the U.S. Government catalog under NSN 5310-01-446-6037. This indicates validated use in U.S. government and defense supply chains.
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