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PartsTable / COMPONENT / G303-1029PC90
G303-1029PC90 ✓ 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 KEY,WOODRUFF is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY R-405 OVERALL, thickness: 0.125 INCHES NOMINAL IN, key_height: 0.234 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN, circle_diameter: 0.625 INCHES NOMINAL IN, style_designator: FLAT BOTTOM, starting_edge_shape: STRAIGHT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-221-5375, 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
G303-1029PC90
NSN: 5315-00-221-5375
FSC: 5315
CAGE: 88818 — KEARFOTT CORPORATION DIV GUIDANCE AND NAVIGATION DIVISION (USA)
SPECIFICATIONS
materialNICKEL ALLOY R-405 OVERALL
thickness0.125 INCHES NOMINAL IN
key_height0.234 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN
circle_diameter0.625 INCHES NOMINAL IN
style_designatorFLAT BOTTOM
starting_edge_shapeSTRAIGHT
key_size_designationWOODRUFF 5
material_document_and_classificationQQ-N-281,CL B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5315-00-221-5375
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: G303-1029PC90 · 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: 0.125 INCHES NOMINAL IN
•
KEY HEIGHT: 0.234 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN
•
KEY SIZE DESIGNATION: WOODRUFF 5
•
STARTING EDGE SHAPE: STRAIGHT
•
CIRCLE DIAMETER: 0.625 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281,CL B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: NICKEL ALLOY R-405 OVERALL
•
STYLE DESIGNATOR: FLAT BOTTOM
TECHNICAL CHARACTERISTICS (FLIS)
THICKNESS0.125 INCHES NOMINAL IN
KEY HEIGHT0.234 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN
KEY SIZE DESIGNATIONWOODRUFF 5
STARTING EDGE SHAPESTRAIGHT
CIRCLE DIAMETER0.625 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281,CL B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY R-405 OVERALL
STYLE DESIGNATORFLAT BOTTOM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
11463Interchangeable
interchangeable cross-reference
interchangeable
118AInterchangeable
interchangeable cross-reference
interchangeable
150 NInterchangeable
interchangeable cross-reference
interchangeable
350-RTInterchangeable
interchangeable cross-reference
interchangeable
1332Interchangeable
interchangeable cross-reference
interchangeable
1307Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is G303-1029PC90?
G303-1029PC90 is a KEY,WOODRUFF.
What parts can replace G303-1029PC90?
There are 23 known substitutes for G303-1029PC90: 11463, 118A, 150 N and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for G303-1029PC90?
G303-1029PC90 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-221-5375. 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