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820902 — NUT,PLAIN,ROUND

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

820902: NUT,PLAIN,ROUND.

The NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include thread_series: UNIFIED NATIONAL COARSE (UNC), special_features: APPLETON BL50;DIAMETER 1.125 INCHES IN, thread_direction: RIGHT-HAND, nominal_thread_size: 0.500 INCHES IN, thread_quantity_per_inch: 0.125. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-508-7550, 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
820902
NSN: 5310-01-508-7550
FSC: 5310 — Nuts and Washers
CAGE: 66943 — DATRON WORLD COMMUNICATIONS, INC. (USA)
SPECIFICATIONS
thread_seriesUNIFIED NATIONAL COARSE (UNC)
special_featuresAPPLETON BL50;DIAMETER 1.125 INCHES IN
thread_directionRIGHT-HAND
nominal_thread_size0.500 INCHES IN
thread_quantity_per_inch0.125
NSN5310-01-508-7550
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 820902 · 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: 0.500 INCHES IN
•
THREAD QUANTITY PER INCH: 0.125
TECHNICAL CHARACTERISTICS
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.500 INCHES IN
SPECIAL FEATURESAPPLETON BL50;DIAMETER 1.125 INCHES IN
THREAD QUANTITY PER INCH0.125
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 820902?
820902 is a NUT,PLAIN,ROUND.
What is the NSN for 820902?
820902 is cataloged in the U.S. Government catalog under NSN 5310-01-508-7550. 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.