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SP79020 ✓ 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 PIN,COTTER is a the manufacturer industrial component. Key specifications include diameter: 0.086 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN, material: NICKEL OVERALL, point_type: EXTENDED PRONG SQUARE CUT, style_designator: STANDARD, underloop_length: 1.125 INCHES MINIMUM AND 1.375 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 5315-00-187-9440, 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
SP79020
NSN: 5315-00-187-9440
FSC: 5315
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
diameter0.086 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
materialNICKEL OVERALL
point_typeEXTENDED PRONG SQUARE CUT
style_designatorSTANDARD
underloop_length1.125 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN
NSN5315-00-187-9440
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: SP79020 · 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
•
POINT TYPE: EXTENDED PRONG SQUARE CUT
•
DIAMETER: 0.086 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
•
UNDERLOOP LENGTH: 1.125 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN
•
MATERIAL: NICKEL OVERALL
•
STYLE DESIGNATOR: STANDARD
TECHNICAL CHARACTERISTICS (FLIS)
POINT TYPEEXTENDED PRONG SQUARE CUT
DIAMETER0.086 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
UNDERLOOP LENGTH1.125 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN
MATERIALNICKEL OVERALL
STYLE DESIGNATORSTANDARD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
1681416Interchangeable
interchangeable cross-reference
interchangeable
1871AInterchangeable
interchangeable cross-reference
interchangeable
H9362Interchangeable
interchangeable cross-reference
interchangeable
1829Interchangeable
interchangeable cross-reference
interchangeable
871AInterchangeable
interchangeable cross-reference
interchangeable
NASM24665Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SP79020?
SP79020 is a PIN,COTTER.
What parts can replace SP79020?
There are 7 known substitutes for SP79020: 1681416, 1871A, H9362 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SP79020?
SP79020 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-187-9440. 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