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Technical Data Sheet
PartsTable / COMPONENT / 2780.1
2780.1 ✓ 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 2780.1 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-506-6710, 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
2780.1
NSN: 5315-01-506-6710
FSC: 5315
CAGE: 0N9V9 — GRANZOW, INC. (USA)
SPECIFICATIONS
Part Number2780.1
NSN5315-01-506-6710
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2780.1 · 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
•
UNDERLOOP LENGTH: 10.0 MILLIMETERS NOMINAL MM
•
DIAMETER: 2.0 MILLIMETERS NOMINAL MM
•
MATERIAL: STEEL COMP 316 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
UNDERLOOP LENGTH10.0 MILLIMETERS NOMINAL MM
DIAMETER2.0 MILLIMETERS NOMINAL MM
MATERIALSTEEL COMP 316 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
27801Interchangeable
interchangeable cross-reference
interchangeable
B-3153Interchangeable
interchangeable cross-reference
interchangeable
M146Interchangeable
interchangeable cross-reference
interchangeable
2780-1RHInterchangeable
interchangeable cross-reference
interchangeable
2780-1LHInterchangeable
interchangeable cross-reference
interchangeable
1199900350Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2780.1?
2780.1 is a 2780.1.
What parts can replace 2780.1?
There are 15 known substitutes for 2780.1: 27801, B-3153, M146 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2780.1?
2780.1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-506-6710. 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