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7055651 ✓ 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 SETSCREW is a the manufacturer industrial component. Key specifications include material: PLASTIC ACETAL OVERALL, head_style: HEADLESS (SETSCREW), point_style: POINTLESS, thread_class: 2A A, thread_length: 1.000 INCHES NOMINAL IN, fastener_length: 1.000 INCHES NOMINAL 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 5310-01-485-8082, 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
7055651
NSN: 5310-01-485-8082
FSC: 5310
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialPLASTIC ACETAL OVERALL
head_styleHEADLESS (SETSCREW)
point_stylePOINTLESS
thread_class2A A
thread_length1.000 INCHES NOMINAL IN
fastener_length1.000 INCHES NOMINAL IN
special_featuresSPECIFIC MATL IS DELRIN 500 DU PONT
thread_directionRIGHT-HAND
width_across_flats0.312 INCHES NOMINAL IN
internal_drive_styleHEXAGON
end_item_identificationSEAWOLF CLASS SSN 688
nominal_thread_diameter0.500 INCHES IN
NSN5310-01-485-8082
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7055651 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
PPP01-0071Interchangeable
interchangeable cross-reference
interchangeable
7120-913Interchangeable
interchangeable cross-reference
interchangeable
820-26Interchangeable
interchangeable cross-reference
interchangeable
501-7055651 ITEM 50Interchangeable
interchangeable cross-reference
interchangeable
7055651Interchangeable
interchangeable cross-reference
interchangeable
608-7120913 ITEM 99Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7055651?
7055651 is a SETSCREW.
What parts can replace 7055651?
There are 13 known substitutes for 7055651: PPP01-0071, 7120-913, 820-26 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7055651?
7055651 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-485-8082. 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