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Technical Data Sheet
PartsTable / COMPONENT / FF-E-92
FF-E-92 ✓ 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,FLAT is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-619-1148, 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
FF-E-92
NSN: 5310-00-619-1148
FSC: 5310
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
Part NumberFF-E-92
NSN5310-00-619-1148
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: FF-E-92 · 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 30
SHEX1Interchangeable
interchangeable cross-reference
interchangeable
MQ128ATYPE1PT503010Interchangeable
interchangeable cross-reference
interchangeable
503010Interchangeable
interchangeable cross-reference
interchangeable
112-0681-029Interchangeable
interchangeable cross-reference
interchangeable
655-641-90806Interchangeable
interchangeable cross-reference
interchangeable
NAS608C3-6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FF-E-92?
FF-E-92 is a WASHER,FLAT.
What parts can replace FF-E-92?
There are 30 known substitutes for FF-E-92: SHEX1, MQ128ATYPE1PT503010, 503010 and 27 more. Substitute compatibility should be verified for your specific system.
Is FF-E-92 still available?
FF-E-92 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