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497A10061-4 — NUT,PLAIN,ROUND

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

497A10061-4: NUT,PLAIN,ROUND.

The NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include nut_diameter: 4.000 INCHES NOMINAL IN, thread_class: 2B, nut_thickness: 0.800 INCHES NOMINAL IN, thread_series: UNIFIED NATIONAL COARSE (UNC), thread_direction: RIGHT-HAND, nominal_thread_size: 0.875 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-417-5189, 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
497A10061-4
NSN: 5310-01-417-5189
FSC: 5310 — Nuts and Washers
CAGE: 38597 — LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS (USA)
SPECIFICATIONS
nut_diameter4.000 INCHES NOMINAL IN
thread_class2B
nut_thickness0.800 INCHES NOMINAL IN
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
nominal_thread_size0.875 INCHES IN
drive_point_diameter0.342 INCHES NOMINAL IN
drive_point_quantity4
thread_quantity_per_inch9
NSN5310-01-417-5189
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 497A10061-4 · 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)
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.875 INCHES IN
•
NUT DIAMETER: 4.000 INCHES NOMINAL IN
•
NUT THICKNESS: 0.800 INCHES NOMINAL IN
•
DRIVE POINT DIAMETER: 0.342 INCHES NOMINAL IN
•
DRIVE POINT QUANTITY: 4
•
THREAD CLASS: 2B
TECHNICAL CHARACTERISTICS
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.875 INCHES IN
NUT DIAMETER4.000 INCHES NOMINAL IN
NUT THICKNESS0.800 INCHES NOMINAL IN
DRIVE POINT DIAMETER0.342 INCHES NOMINAL IN
DRIVE POINT QUANTITY4
THREAD CLASS2B
THREAD QUANTITY PER INCH9
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 497A10061-4?
497A10061-4 is a NUT,PLAIN,ROUND.
What is the NSN for 497A10061-4?
497A10061-4 is cataloged in the U.S. Government catalog under NSN 5310-01-417-5189. 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.