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22521550 — NUT,PLAIN,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

22521550: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include nut_style: HEXAGON, nut_height: 7.8 MILLIMETERS NOMINAL MM, thread_series: ISO M, thread_direction: RIGHT-HAND, surface_treatment: PHOSPHATE OVERALL, nominal_thread_size: 8.0 MILLIMETERS MM. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-165-3331, 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
22521550
NSN: 5310-01-165-3331
FSC: 5310 — Nuts and Washers
CAGE: 11862 — GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT (USA)
SPECIFICATIONS
nut_styleHEXAGON
nut_height7.8 MILLIMETERS NOMINAL MM
thread_seriesISO M
thread_directionRIGHT-HAND
surface_treatmentPHOSPHATE OVERALL
nominal_thread_size8.0 MILLIMETERS MM
bearing_surface_typeCHAMFERED
thread_tolerance_class6H INTERNAL
thread_pitch_in_millimeters1.25
NSN5310-01-165-3331
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 22521550 · 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 TOLERANCE CLASS: 6H INTERNAL
•
THREAD SERIES: ISO M
•
THREAD PITCH IN MILLIMETERS: 1.25
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 8.0 MILLIMETERS MM
•
NUT HEIGHT: 7.8 MILLIMETERS NOMINAL MM
•
SURFACE TREATMENT: PHOSPHATE OVERALL
•
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
THREAD TOLERANCE CLASS6H INTERNAL
THREAD SERIESISO M
THREAD PITCH IN MILLIMETERS1.25
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE8.0 MILLIMETERS MM
NUT HEIGHT7.8 MILLIMETERS NOMINAL MM
SURFACE TREATMENTPHOSPHATE OVERALL
NUT STYLEHEXAGON
BEARING SURFACE TYPECHAMFERED
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 3
5310PL0352255Reference document
Same NSN cross-reference
Reference document — Informative reference only
11500749Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
5740247Same 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 22521550?
22521550 is a NUT,PLAIN,HEXAGON.
What parts can replace 22521550?
There are 3 known substitutes for 22521550: 5310PL0352255, 11500749, 5740247. Substitute compatibility should be verified for your specific system.
What is the NSN for 22521550?
22521550 is cataloged in the U.S. Government catalog under NSN 5310-01-165-3331. This indicates validated use in U.S. government and defense supply chains.
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