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PartsTable / COMPONENT / 8A31102
8A31102 ✓ 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,SPLIT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1010 OVERALL, hole_diameter: 1.646 INCHES MINIMUM AND 1.666 INCHES MAXIMUM IN, outside_diameter: 2.240 INCHES MINIMUM AND 2.260 INCHES MAXIMUM IN, style_designator: SPLIT, material_thickness: 0.045 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN, distance_across_split_opening: 0.0312 INCHES MINIMUM AND 0.0468 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-350-4435, 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
8A31102
NSN: 5310-00-350-4435
FSC: 5310
CAGE: 23382 — FWD SEAGRAVE HOLDINGS LP (USA)
SPECIFICATIONS
materialSTEEL COMP 1010 OVERALL
hole_diameter1.646 INCHES MINIMUM AND 1.666 INCHES MAXIMUM IN
outside_diameter2.240 INCHES MINIMUM AND 2.260 INCHES MAXIMUM IN
style_designatorSPLIT
material_thickness0.045 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
distance_across_split_opening0.0312 INCHES MINIMUM AND 0.0468 INCHES MAXIMUM IN
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-350-4435
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8A31102 · 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
KEY FEATURES
•
STYLE DESIGNATOR: SPLIT
•
HOLE DIAMETER: 1.646 INCHES MINIMUM AND 1.666 INCHES MAXIMUM IN
•
DISTANCE ACROSS SPLIT OPENING: 0.0312 INCHES MINIMUM AND 0.0468 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 2.240 INCHES MINIMUM AND 2.260 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL THICKNESS: 0.045 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 1010 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSPLIT
HOLE DIAMETER1.646 INCHES MINIMUM AND 1.666 INCHES MAXIMUM IN
DISTANCE ACROSS SPLIT OPENING0.0312 INCHES MINIMUM AND 0.0468 INCHES MAXIMUM IN
OUTSIDE DIAMETER2.240 INCHES MINIMUM AND 2.260 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.045 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
MATERIALSTEEL COMP 1010 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
23752Interchangeable
interchangeable cross-reference
interchangeable
219404Interchangeable
interchangeable cross-reference
interchangeable
39256CInterchangeable
interchangeable cross-reference
interchangeable
PC212PInterchangeable
interchangeable cross-reference
interchangeable
31102Interchangeable
interchangeable cross-reference
interchangeable
401029Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8A31102?
8A31102 is a WASHER,SPLIT.
What parts can replace 8A31102?
There are 16 known substitutes for 8A31102: 23752, 219404, 39256C and 13 more. Substitute compatibility should be verified for your specific system.
Is 8A31102 still available?
8A31102 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