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7666266 — NUT,PLAIN,ROUND

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

7666266: NUT,PLAIN,ROUND.

The NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1212 OVERALL, nut_style: ROUND, nut_diameter: 0.828 INCHES NOMINAL IN, thread_class: 2B, nut_thickness: 0.375 INCHES NOMINAL IN, thread_series: UNF. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-348-0756, 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
7666266
NSN: 5310-00-348-0756
FSC: 5310 — Nuts and Washers
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialSTEEL COMP 1212 OVERALL
nut_styleROUND
nut_diameter0.828 INCHES NOMINAL IN
thread_class2B
nut_thickness0.375 INCHES NOMINAL IN
thread_seriesUNF
special_featuresCOLOR BLACK FED STD 595 NO. 27O38 AND 0.062 IN. W BY 0.688 IN. DEEP GROOVE FROM PERIPHERY THRU NUT IN
thread_directionRIGHT-HAND
surface_treatmentPAINT OVERALL
nominal_thread_size0.375 INCHES IN
drive_point_diameter0.125 INCHES NOMINAL IN
drive_point_quantity2
NSN5310-00-348-0756
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7666266 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: TT-P-636 FED SPEC SINGLE TREATMENT RESPONSE OR TT-P-664 FED SPEC SINGLE TREATMENT RESPONSE OR TT-E-529 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD SERIES: UNF
•
HOLE CONFIGURATION STYLE: CONFIGURATION J
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
•
NUT DIAMETER: 0.828 INCHES NOMINAL IN
•
NUT THICKNESS: 0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONTT-P-636 FED SPEC SINGLE TREATMENT RESPONSE OR TT-P-664 FED SPEC SINGLE TREATMENT RESPONSE OR TT-E-529 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIESUNF
HOLE CONFIGURATION STYLECONFIGURATION J
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.375 INCHES IN
NUT DIAMETER0.828 INCHES NOMINAL IN
NUT THICKNESS0.375 INCHES NOMINAL IN
DRIVE POINT DIAMETER0.125 INCHES NOMINAL IN
DRILLED HOLE DIAMETER0.250 INCHES NOMINAL IN
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 7666266?
7666266 is a NUT,PLAIN,ROUND.
What is the NSN for 7666266?
7666266 is cataloged in the U.S. Government catalog under NSN 5310-00-348-0756. This indicates validated use in U.S. government and defense supply chains.
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