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CNB-03 — NUT,PLAIN,ROUND

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

CNB-03: NUT,PLAIN,ROUND.

The NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1213 OR STEEL COMP 1215 OVERALL, nut_style: ROUND, nut_diameter: 1.562 INCHES NOMINAL IN, thread_class: 3B, nut_thickness: 0.438 INCHES NOMINAL IN, special_features: THE NUT IS SPLIT ON ONE SIDE WITH PROVISION TO ALLOW INSERTION OF A SOCKET HEAD CLIP SCREW FOR POSITIVE LOCK. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-473-3079, 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
CNB-03
NSN: 5310-01-473-3079
FSC: 5310 — Nuts and Washers
CAGE: 79568 — WHITTET-HIGGINS COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 1213 OR STEEL COMP 1215 OVERALL
nut_styleROUND
nut_diameter1.562 INCHES NOMINAL IN
thread_class3B
nut_thickness0.438 INCHES NOMINAL IN
special_featuresTHE NUT IS SPLIT ON ONE SIDE WITH PROVISION TO ALLOW INSERTION OF A SOCKET HEAD CLIP SCREW FOR POSITIVE LOCK
thread_directionRIGHT-HAND
drive_point_width0.391 INCHES NOMINAL IN
nominal_thread_size0.664 INCHES IN
thread_pitch_diameters+0.6437 TO 0.6467 INCHES IN
thread_quantity_per_inch32
NSN5310-01-473-3079
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: CNB-03 · 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 PITCH DIAMETERS: +0.6437 TO 0.6467 INCHES IN
•
DRIVE POINT WIDTH: 0.391 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.664 INCHES IN
•
NUT DIAMETER: 1.562 INCHES NOMINAL IN
•
NUT THICKNESS: 0.438 INCHES NOMINAL IN
•
NUT STYLE: ROUND
TECHNICAL CHARACTERISTICS
THREAD PITCH DIAMETERS+0.6437 TO 0.6467 INCHES IN
DRIVE POINT WIDTH0.391 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.664 INCHES IN
NUT DIAMETER1.562 INCHES NOMINAL IN
NUT THICKNESS0.438 INCHES NOMINAL IN
SPECIAL FEATURESTHE NUT IS SPLIT ON ONE SIDE WITH PROVISION TO ALLOW INSERTION OF A SOCKET HEAD CLIP SCREW FOR POSITIVE LOCK
NUT STYLEROUND
THREAD CLASS3B
THREAD QUANTITY PER INCH32
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is CNB-03?
CNB-03 is a NUT,PLAIN,ROUND.
What is the NSN for CNB-03?
CNB-03 is cataloged in the U.S. Government catalog under NSN 5310-01-473-3079. This indicates validated use in U.S. government and defense supply chains.
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