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304A14 ✓ 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 AND RECESSED is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 0.219 INCHES NOMINAL IN, shoulder_height: 0.062 INCHES NOMINAL IN, outside_diameter: 0.562 INCHES NOMINAL IN, style_designator: SHOULDERED AND RECESSED, shoulder_diameter: 0.344 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-359-5570, 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
304A14
NSN: 5310-00-359-5570
FSC: 5310
CAGE: 44940 — CUMMINS POWER GENERATION INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.219 INCHES NOMINAL IN
shoulder_height0.062 INCHES NOMINAL IN
outside_diameter0.562 INCHES NOMINAL IN
style_designatorSHOULDERED AND RECESSED
shoulder_diameter0.344 INCHES NOMINAL IN
surface_treatmentZINC AND CHROMATE OVERALL
material_thickness0.031 INCHES NOMINAL IN
NSN5310-00-359-5570
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 304A14 · 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
•
SURFACE TREATMENT: ZINC AND CHROMATE OVERALL
•
SHOULDER HEIGHT: 0.062 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDERED AND RECESSED
•
OUTSIDE DIAMETER: 0.562 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.219 INCHES NOMINAL IN
•
SHOULDER DIAMETER: 0.344 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
MATERIAL THICKNESS: 0.031 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTZINC AND CHROMATE OVERALL
SHOULDER HEIGHT0.062 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDERED AND RECESSED
OUTSIDE DIAMETER0.562 INCHES NOMINAL IN
HOLE DIAMETER0.219 INCHES NOMINAL IN
SHOULDER DIAMETER0.344 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
MATERIAL THICKNESS0.031 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
NA237205Interchangeable
interchangeable cross-reference
interchangeable
7010370622Interchangeable
interchangeable cross-reference
interchangeable
105 3/4 INCH WIDEInterchangeable
interchangeable cross-reference
interchangeable
7414BInterchangeable
interchangeable cross-reference
interchangeable
7414Interchangeable
interchangeable cross-reference
interchangeable
164298H1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 304A14?
304A14 is a WASHER,SHOULDERED AND RECESSED.
What parts can replace 304A14?
There are 9 known substitutes for 304A14: NA237205, 7010370622, 105 3/4 INCH WIDE and 6 more. Substitute compatibility should be verified for your specific system.
Is 304A14 still available?
304A14 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