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3C-6970 — NUT,PLAIN,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

3C-6970: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 4.0 MILLIMETERS NOMINAL MM, thread_series: ISO S, surface_treatment: ZINC OVERALL, width_across_flats: 8.0 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-522-0413, 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
3C-6970
NSN: 5310-01-522-0413
FSC: 5310 — Nuts and Washers
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height4.0 MILLIMETERS NOMINAL MM
thread_seriesISO S
surface_treatmentZINC OVERALL
width_across_flats8.0 MILLIMETERS NOMINAL MM
nominal_thread_size5.0 MILLIMETERS MM
thread_pitch_in_millimeters0.80
NSN5310-01-522-0413
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3C-6970 · 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: 8.0 MILLIMETERS NOMINAL MM
•
THREAD SERIES: ISO S
•
THREAD PITCH IN MILLIMETERS: 0.80
•
NOMINAL THREAD SIZE: 5.0 MILLIMETERS MM
•
NUT HEIGHT: 4.0 MILLIMETERS NOMINAL MM
•
SURFACE TREATMENT: ZINC OVERALL
•
NUT STYLE: HEXAGON
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS8.0 MILLIMETERS NOMINAL MM
THREAD SERIESISO S
THREAD PITCH IN MILLIMETERS0.80
NOMINAL THREAD SIZE5.0 MILLIMETERS MM
NUT HEIGHT4.0 MILLIMETERS NOMINAL MM
SURFACE TREATMENTZINC OVERALL
NUT STYLEHEXAGON
MATERIALSTEEL OVERALL
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 3C-6970?
3C-6970 is a NUT,PLAIN,HEXAGON.
What is the NSN for 3C-6970?
3C-6970 is cataloged in the U.S. Government catalog under NSN 5310-01-522-0413. 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.