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6397389 PIECE 8 — NUT,PLAIN,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

6397389 PIECE 8: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: TITANIUM OVERALL, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), nominal_thread_size: 0.875 INCHES IN, end_item_identification: CTFGL PUMP 2000 GPM; WASP CLASS LHD; TARAWA CLASS LHA; FORRESTAL CLASS CV; NIMITZ CLASS CVN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-348-5771, 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
6397389 PIECE 8
NSN: 5310-01-348-5771
FSC: 5310 — Nuts and Washers
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialTITANIUM OVERALL
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
nominal_thread_size0.875 INCHES IN
end_item_identificationCTFGL PUMP 2000 GPM; WASP CLASS LHD; TARAWA CLASS LHA; FORRESTAL CLASS CV; NIMITZ CLASS CVN
thread_quantity_per_inch9
NSN5310-01-348-5771
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 6397389 PIECE 8 · 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: 0.875 INCHES IN
•
THREAD CLASS: 2B
•
THREAD QUANTITY PER INCH: 9
•
MATERIAL: TITANIUM OVERALL
TECHNICAL CHARACTERISTICS
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD SIZE0.875 INCHES IN
THREAD CLASS2B
END ITEM IDENTIFICATIONCTFGL PUMP 2000 GPM; WASP CLASS LHD; TARAWA CLASS LHA; FORRESTAL CLASS CV; NIMITZ CLASS CVN
THREAD QUANTITY PER INCH9
MATERIALTITANIUM 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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6397389 PIECE 8?
6397389 PIECE 8 is a NUT,PLAIN,HEXAGON.
What is the NSN for 6397389 PIECE 8?
6397389 PIECE 8 is cataloged in the U.S. Government catalog under NSN 5310-01-348-5771. 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.