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Technical Data Sheet
PartsTable / COMPONENT / 7400994103
7400994103 ✓ 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 5310-01-592-0085, 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
7400994103
NSN: 5310-01-592-0085
FSC: 5310
CAGE: F6573 — ARQUUS (FRA)
SPECIFICATIONS
Part Number7400994103
NSN5310-01-592-0085
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7400994103 · 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 20
1615353Interchangeable
interchangeable cross-reference
interchangeable
80250Interchangeable
interchangeable cross-reference
interchangeable
P250Interchangeable
interchangeable cross-reference
interchangeable
1887721Interchangeable
interchangeable cross-reference
interchangeable
83E2N404Interchangeable
interchangeable cross-reference
interchangeable
ENG53EDInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7400994103?
7400994103 is a NUT,PLAIN,EXTENDED WASHER,HEXAGO.
What parts can replace 7400994103?
There are 20 known substitutes for 7400994103: 1615353, 80250, P250 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7400994103?
7400994103 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-592-0085. 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