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497A63807-9 — NUT,SLEEVE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

497A63807-9: NUT,SLEEVE.

The NUT,SLEEVE is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY OVERALL, nut_style: SLEEVE, nut_length: 0.920 INCHES NOMINAL IN, nut_diameter: 0.625 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNIFIED NATIONAL COARSE (UNC). This part is cataloged in the U.S.

Government catalog under NSN 5310-01-417-7345, 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
497A63807-9
NSN: 5310-01-417-7345
FSC: 5310 — Nuts and Washers
CAGE: 38597 — LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS (USA)
SPECIFICATIONS
materialTITANIUM ALLOY OVERALL
nut_styleSLEEVE
nut_length0.920 INCHES NOMINAL IN
nut_diameter0.625 INCHES NOMINAL IN
thread_class3B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
flange_thickness0.250 INCHES NOMINAL IN
thread_directionRIGHT-HAND
nominal_thread_size0.375 INCHES IN
cross-sectional_shapeHEXAGONAL FIRST END
thread_quantity_per_inch16
flange_width_across_flats0.863 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN
NSN5310-01-417-7345
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 497A63807-9 · 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
•
FLANGE WIDTH ACROSS FLATS: 0.863 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN
•
NUT LENGTH: 0.920 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.250 INCHES NOMINAL IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
•
NUT DIAMETER: 0.625 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE: HEXAGONAL FIRST END
TECHNICAL CHARACTERISTICS
FLANGE WIDTH ACROSS FLATS0.863 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN
NUT LENGTH0.920 INCHES NOMINAL IN
FLANGE THICKNESS0.250 INCHES NOMINAL IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.375 INCHES IN
NUT DIAMETER0.625 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPEHEXAGONAL FIRST END
NUT STYLESLEEVE
THREAD CLASS3B
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 497A63807-9?
497A63807-9 is a NUT,SLEEVE.
What is the NSN for 497A63807-9?
497A63807-9 is cataloged in the U.S. Government catalog under NSN 5310-01-417-7345. 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.