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Technical Data Sheet
PartsTable / COMPONENT / SS5787B3899-7PC27
SS5787B3899-7PC27 ✓ 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 WASHER,SPRING TENSION is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-723-2906, 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
SS5787B3899-7PC27
NSN: 5310-00-723-2906
FSC: 5310
CAGE: 38151 — MARATHON ELECTRIC, LLC (USA)
SPECIFICATIONS
Part NumberSS5787B3899-7PC27
NSN5310-00-723-2906
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: SS5787B3899-7PC27 · 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 23
27346Interchangeable
interchangeable cross-reference
interchangeable
058-010-3195Interchangeable
interchangeable cross-reference
interchangeable
5039Interchangeable
interchangeable cross-reference
interchangeable
2230-8Interchangeable
interchangeable cross-reference
interchangeable
26623FInterchangeable
interchangeable cross-reference
interchangeable
8-32-20-68-017Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SS5787B3899-7PC27?
SS5787B3899-7PC27 is a WASHER,SPRING TENSION.
What parts can replace SS5787B3899-7PC27?
There are 23 known substitutes for SS5787B3899-7PC27: 27346, 058-010-3195, 5039 and 20 more. Substitute compatibility should be verified for your specific system.
Is SS5787B3899-7PC27 still available?
SS5787B3899-7PC27 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026