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Technical Data Sheet
PartsTable / COMPONENT / 557382
557382 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include nut_diameter: 1.145 INCHES MINIMUM AND 1.155 INCHES MAXIMUM IN, thread_class: 3B, nut_thickness: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, thread_direction: RIGHT-HAND, drive_point_depth: 0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN, drive_point_width: 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-011-2656, 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
557382
NSN: 5310-00-011-2656
FSC: 5310
CAGE: J1695 — KITO MFG CO. LTD (JPN)
SPECIFICATIONS
nut_diameter1.145 INCHES MINIMUM AND 1.155 INCHES MAXIMUM IN
thread_class3B
nut_thickness0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
drive_point_depth0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
drive_point_width0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
small_end_diameter1.045 INCHES MINIMUM AND 1.055 INCHES MAXIMUM IN
drive_point_quantity9
NSN5310-00-011-2656
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 557382 · 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
•
NUT DIAMETER: 1.145 INCHES MINIMUM AND 1.155 INCHES MAXIMUM IN
•
THREAD CLASS: 3B
•
NUT THICKNESS: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
•
DRIVE POINT QUANTITY: 9
•
SMALL END DIAMETER: 1.045 INCHES MINIMUM AND 1.055 INCHES MAXIMUM IN
•
DRIVE POINT DEPTH: 0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
•
DRIVE POINT WIDTH: 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
NUT DIAMETER1.145 INCHES MINIMUM AND 1.155 INCHES MAXIMUM IN
THREAD CLASS3B
NUT THICKNESS0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
DRIVE POINT QUANTITY9
SMALL END DIAMETER1.045 INCHES MINIMUM AND 1.055 INCHES MAXIMUM IN
DRIVE POINT DEPTH0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
DRIVE POINT WIDTH0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
55732Interchangeable
interchangeable cross-reference
interchangeable
8526471Interchangeable
interchangeable cross-reference
interchangeable
1000-11-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 557382?
557382 is a NUT,PLAIN,ROUND.
What parts can replace 557382?
There are 3 known substitutes for 557382: 55732, 8526471, 1000-11-3. Substitute compatibility should be verified for your specific system.
What is the NSN for 557382?
557382 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-011-2656. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026