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31094R1 ✓ 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

NUT,PLAIN,EXTENDED WASHER,HEXAGO. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-556-5562, 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
31094R1
NSN: 5310-01-556-5562
FSC: 5310
CAGE: 5F5P2 — ASF LOGISTICS, LLC (USA)
SPECIFICATIONS
Part Number31094R1
NSN5310-01-556-5562
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 31094R1 · 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 16
ESP-EM-3.104-PPInterchangeable
interchangeable cross-reference
interchangeable
90702Interchangeable
interchangeable cross-reference
interchangeable
4381765Interchangeable
interchangeable cross-reference
interchangeable
3306721Interchangeable
interchangeable cross-reference
interchangeable
90700Interchangeable
interchangeable cross-reference
interchangeable
31081R1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 31094R1?
31094R1 is a NUT,PLAIN,EXTENDED WASHER,HEXAGO.
What parts can replace 31094R1?
There are 16 known substitutes for 31094R1: ESP-EM-3.104-PP, 90702, 4381765 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 31094R1?
31094R1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-556-5562. 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