PartsTable
Technical Data Sheet
1A4088 ✓ 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 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-423-8233, 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
1A4088
NSN: 5310-00-423-8233
FSC: 5310
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
Part Number1A4088
NSN5310-00-423-8233
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1A4088 · 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 5
H407Interchangeable
interchangeable cross-reference
interchangeable
X31232Interchangeable
interchangeable cross-reference
interchangeable
G67Interchangeable
interchangeable cross-reference
interchangeable
49136Interchangeable
interchangeable cross-reference
interchangeable
F123-6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1A4088?
1A4088 is a WASHER.
What parts can replace 1A4088?
There are 5 known substitutes for 1A4088: H407, X31232, G67 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1A4088?
1A4088 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-423-8233. This indicates validated use in U.S. government and defense supply chains.
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