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301309 ✓ 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 GUIDE,SHUTTER is a the manufacturer industrial component. Key specifications include end_item_identification: AN/ASX-1. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-205-9345, 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
301309
NSN: 5310-00-205-9345
FSC: 5310
CAGE: 32195 — OUTBOARD MARINE CORP JOHNSON MOTORS DIV (USA)
SPECIFICATIONS
end_item_identificationAN/ASX-1
NSN5310-00-205-9345
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 301309 · 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
•
THICKNESS: 0.128 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
NONDEFINITIVE SPEC/STD DATA: A TYPE AND 2 GRADE AND E CLASS
•
MATERIAL: COPPER ALLOY OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-613,1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
•
OVERALL DIAMETER: 3.312 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THICKNESS0.128 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
NONDEFINITIVE SPEC/STD DATAA TYPE AND 2 GRADE AND E CLASS
MATERIALCOPPER ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-613,1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL
PERIPHERAL SHAPE STYLEROUND
HOLE DIAMETER0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
OVERALL DIAMETER3.312 INCHES NOMINAL IN
SPECIAL FEATURESAS MOD BY OUTSIDE DIMENSIONS
CENTER HOLE SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
804228Interchangeable
interchangeable cross-reference
interchangeable
1-4X7-8X364Interchangeable
interchangeable cross-reference
interchangeable
430771Interchangeable
interchangeable cross-reference
interchangeable
FFW92TYPEAGRADE2CLASSEInterchangeable
interchangeable cross-reference
interchangeable
546-3020-003Interchangeable
interchangeable cross-reference
interchangeable
154-164Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 301309?
301309 is a GUIDE,SHUTTER.
What parts can replace 301309?
There are 15 known substitutes for 301309: 804228, 1-4X7-8X364, 430771 and 12 more. Substitute compatibility should be verified for your specific system.
Is 301309 still available?
301309 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