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PartsTable / COMPONENT / 12993490
12993490 ✓ 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,SHOULDERED is a the manufacturer industrial component. Key specifications include color: NATURAL OVERALL, material: PLASTIC NYLON OVERALL, hole_diameter: 0.136 INCHES NOMINAL IN, overall_height: 0.094 INCHES NOMINAL IN, shoulder_height: 0.063 INCHES NOMINAL IN, outside_diameter: 0.373 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-511-3133, 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
12993490
NSN: 5310-01-511-3133
FSC: 5310
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
colorNATURAL OVERALL
materialPLASTIC NYLON OVERALL
hole_diameter0.136 INCHES NOMINAL IN
overall_height0.094 INCHES NOMINAL IN
shoulder_height0.063 INCHES NOMINAL IN
outside_diameter0.373 INCHES NOMINAL IN
special_featuresCAGE CALLS THIS: NYLON SHOULDERED WASHER
style_designatorSHOULDERED
shoulder_diameter0.308 INCHES NOMINAL IN
end_item_identification2350-01-087-1095; TANK
NSN5310-01-511-3133
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12993490 · 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
•
HOLE DIAMETER: 0.136 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 0.373 INCHES NOMINAL IN
•
COLOR: NATURAL OVERALL
•
STYLE DESIGNATOR: SHOULDERED
•
SHOULDER HEIGHT: 0.063 INCHES NOMINAL IN
•
MATERIAL: PLASTIC NYLON OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.136 INCHES NOMINAL IN
OUTSIDE DIAMETER0.373 INCHES NOMINAL IN
COLORNATURAL OVERALL
STYLE DESIGNATORSHOULDERED
SHOULDER HEIGHT0.063 INCHES NOMINAL IN
END ITEM IDENTIFICATION2350-01-087-1095; TANK
MATERIALPLASTIC NYLON OVERALL
OVERALL HEIGHT0.094 INCHES NOMINAL IN
SHOULDER DIAMETER0.308 INCHES NOMINAL IN
SPECIAL FEATURESCAGE CALLS THIS: NYLON SHOULDERED WASHER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
230054Interchangeable
interchangeable cross-reference
interchangeable
230110Interchangeable
interchangeable cross-reference
interchangeable
29-808709-1Interchangeable
interchangeable cross-reference
interchangeable
F5002-06Interchangeable
interchangeable cross-reference
interchangeable
218079Interchangeable
interchangeable cross-reference
interchangeable
7500540Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12993490?
12993490 is a WASHER,SHOULDERED.
What parts can replace 12993490?
There are 6 known substitutes for 12993490: 230054, 230110, 29-808709-1 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12993490?
12993490 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-511-3133. 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