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03970116 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

03970116: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 18.0 MILLIMETERS NOMINAL MM, nut_length: 24.0 MILLIMETERS NOMINAL MM, temp_rating: 0.0 CELSIUS MINIMUM AND 300.0 CELSIUS MAXIMUM DEGC, surface_treatment: PHOSPHATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-668-7309, 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
03970116
NSN: 5310-01-668-7309
FSC: 5310 — Nuts and Washers
CAGE: 3DU54 — WURTH U.S.A. INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height18.0 MILLIMETERS NOMINAL MM
nut_length24.0 MILLIMETERS NOMINAL MM
temp_rating0.0 CELSIUS MINIMUM AND 300.0 CELSIUS MAXIMUM DEGC
surface_treatmentPHOSPHATE OVERALL
part_name_assigned_by_controlling_agencySAFETY NUT
NSN5310-01-668-7309
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 03970116 · 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
•
NUT LENGTH: 24.0 MILLIMETERS NOMINAL MM
•
TEMP RATING: 0.0 CELSIUS MINIMUM AND 300.0 CELSIUS MAXIMUM DEGC
•
NUT HEIGHT: 18.0 MILLIMETERS NOMINAL MM
•
SURFACE TREATMENT: PHOSPHATE OVERALL
•
NUT STYLE: HEXAGON
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
NUT LENGTH24.0 MILLIMETERS NOMINAL MM
TEMP RATING0.0 CELSIUS MINIMUM AND 300.0 CELSIUS MAXIMUM DEGC
NUT HEIGHT18.0 MILLIMETERS NOMINAL MM
SURFACE TREATMENTPHOSPHATE OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYSAFETY NUT
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 03970116?
03970116 is a NUT,SELF-LOCKING,HEXAGON.
What is the NSN for 03970116?
03970116 is cataloged in the U.S. Government catalog under NSN 5310-01-668-7309. 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.