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97231A430 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

97231A430: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, nut_height: 0.187 INCHES NOMINAL IN, thread_class: 3B0.344, thread_series: UNIFIED NATIONAL COARSE (UNC), nominal_thread_size: 0.134 INCHES IN, thread_quantity_per_inch: 32. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-601-4371, 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
97231A430
NSN: 5310-01-601-4371
FSC: 5310 — Nuts and Washers
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
nut_height0.187 INCHES NOMINAL IN
thread_class3B0.344
thread_seriesUNIFIED NATIONAL COARSE (UNC)
nominal_thread_size0.134 INCHES IN
thread_quantity_per_inch32
inside_width_across_flats0.344 INCHES NOMINAL IN
NSN5310-01-601-4371
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 97231A430 · 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
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
NOMINAL THREAD SIZE: 0.134 INCHES IN
•
NUT HEIGHT: 0.187 INCHES NOMINAL IN
•
INSIDE WIDTH ACROSS FLATS: 0.344 INCHES NOMINAL IN
•
THREAD CLASS: 3B0.344
•
THREAD QUANTITY PER INCH: 32
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD SIZE0.134 INCHES IN
NUT HEIGHT0.187 INCHES NOMINAL IN
INSIDE WIDTH ACROSS FLATS0.344 INCHES NOMINAL IN
THREAD CLASS3B0.344
THREAD QUANTITY PER INCH32
MATERIALSTEEL CORROSION RESISTING 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 97231A430?
97231A430 is a NUT,SELF-LOCKING,HEXAGON.
What is the NSN for 97231A430?
97231A430 is cataloged in the U.S. Government catalog under NSN 5310-01-601-4371. 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.