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8N03 — NUT,PLAIN,ROUND

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

8N03: NUT,PLAIN,ROUND.

The NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: ROUND, nut_diameter: 1.125 INCHES NOMINAL IN, nut_thickness: 0.344 INCHES NOMINAL IN, thread_series: UNS, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-185-6539, 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
8N03
NSN: 5310-00-185-6539
FSC: 5310 — Nuts and Washers
CAGE: 79568 — WHITTET-HIGGINS COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleROUND
nut_diameter1.125 INCHES NOMINAL IN
nut_thickness0.344 INCHES NOMINAL IN
thread_seriesUNS
thread_directionRIGHT-HAND
drive_point_depth0.094 INCHES NOMINAL IN
drive_point_width0.125 INCHES NOMINAL IN
nominal_thread_size0.664 INCHES IN
drive_point_quantity8
thread_pitch_diameters+0.6437 TO 0.6467 INCHES IN
thread_quantity_per_inch32
NSN5310-00-185-6539
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8N03 · 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: UNS
•
THREAD PITCH DIAMETERS: +0.6437 TO 0.6467 INCHES IN
•
DRIVE POINT WIDTH: 0.125 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.664 INCHES IN
•
NUT DIAMETER: 1.125 INCHES NOMINAL IN
•
DRIVE POINT DEPTH: 0.094 INCHES NOMINAL IN
•
NUT THICKNESS: 0.344 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
THREAD SERIESUNS
THREAD PITCH DIAMETERS+0.6437 TO 0.6467 INCHES IN
DRIVE POINT WIDTH0.125 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.664 INCHES IN
NUT DIAMETER1.125 INCHES NOMINAL IN
DRIVE POINT DEPTH0.094 INCHES NOMINAL IN
NUT THICKNESS0.344 INCHES NOMINAL IN
DRIVE POINT QUANTITY8
NUT STYLEROUND
SUBSTITUTES & CROSS-REFERENCES 1
711041Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8N03?
8N03 is a NUT,PLAIN,ROUND.
What parts can replace 8N03?
There is 1 known substitute for 8N03: 711041. Substitute compatibility should be verified for your specific system.
What is the NSN for 8N03?
8N03 is cataloged in the U.S. Government catalog under NSN 5310-00-185-6539. 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.