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0123498 — WASHER,SPLIT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

0123498: WASHER,SPLIT.

The WASHER,SPLIT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 0.512 INCHES NOMINAL IN, outside_diameter: 0.869 INCHES NOMINAL IN, style_designator: SPLIT, surface_treatment: ZINC OVERALL, material_thickness: 0.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-133-2130, 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
0123498
NSN: 5310-01-133-2130
NIINs: 011332130, 016144587
FSC: 5310 — Nuts and Washers
CAGE: 0Y3H3 — FASTENAL COMPANY DBA FASTENAL CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.512 INCHES NOMINAL IN
outside_diameter0.869 INCHES NOMINAL IN
style_designatorSPLIT
surface_treatmentZINC OVERALL
material_thickness0.125 INCHES NOMINAL IN
end_item_identification4940-01-591-0265
environmental_protectionCORROSION RESISTANT
distance_across_split_opening0.357 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyWASHER,LOCK
NSN5310-01-133-2130
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 0123498 · 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
SUBSTITUTES & CROSS-REFERENCES 8
5310PL2139407Reference document
Same NSN cross-reference
Reference document — Informative reference only
93613845Reference document
Same NSN cross-reference
Reference document — Secondary reference
355AXSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
355AX1Reference document
Same NSN cross-reference
Reference document — Secondary reference
12759-00108Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
5310011332130Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 0123498?
0123498 is a WASHER,SPLIT.
What parts can replace 0123498?
There are 8 known substitutes for 0123498: 5310PL2139407, 93613845, 355AX and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 0123498?
0123498 is cataloged in the U.S. Government catalog under NSN 5310-01-133-2130. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.