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6776955 — NUT,PLAIN,ROUND

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

6776955: NUT,PLAIN,ROUND.

The NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1141 OVERALL, nut_style: ROUND, nut_diameter: 4.880 INCHES NOMINAL IN, thread_class: 3B, nut_thickness: 0.660 INCHES NOMINAL IN, thread_series: UN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-089-0205, 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
6776955
NSN: 5310-00-089-0205
FSC: 5310 — Nuts and Washers
CAGE: 73342 — ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC (USA)
SPECIFICATIONS
materialSTEEL COMP 1141 OVERALL
nut_styleROUND
nut_diameter4.880 INCHES NOMINAL IN
thread_class3B
nut_thickness0.660 INCHES NOMINAL IN
thread_seriesUN
hardness_rating24.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM
thread_directionRIGHT-HAND
countersink_angle45.0 DEGREES NOMINAL NUT
drive_point_depth0.180 INCHES NOMINAL IN
drive_point_width0.375 INCHES NOMINAL IN
surface_treatmentPHOSPHATE OVERALL
NSN5310-00-089-0205
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 6776955 · 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: UN
•
HARDNESS RATING: 24.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
DRIVE POINT WIDTH: 0.375 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 3.750 INCHES IN
•
NUT DIAMETER: 4.880 INCHES NOMINAL IN
•
DRIVE POINT DEPTH: 0.180 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
THREAD SERIESUN
HARDNESS RATING24.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
DRIVE POINT WIDTH0.375 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE3.750 INCHES IN
NUT DIAMETER4.880 INCHES NOMINAL IN
DRIVE POINT DEPTH0.180 INCHES NOMINAL IN
UNDERCUT THICKNESS0.160 INCHES NOMINAL IN
NUT THICKNESS0.660 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
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6776955?
6776955 is a NUT,PLAIN,ROUND.
What is the NSN for 6776955?
6776955 is cataloged in the U.S. Government catalog under NSN 5310-00-089-0205. This indicates validated use in U.S. government and defense supply chains.
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