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PartsTable / COMPONENT / 204703
204703 ✓ 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 PARTS KIT,BUTTON,SW is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1020 OVERALL, hole_diameter: 0.391 INCHES NOMINAL IN, outside_diameter: 0.563 INCHES MINIMUM AND 0.568 INCHES MAXIMUM IN, special_features: BOTH TABS PARALLEL WITH KEY BENT UPWARD 90 DEGREES, style_designator: KEY, material_thickness: 0.062 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-550-5010, 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
204703
NSN: 5310-00-550-5010
FSC: 5310
CAGE: 77873 — ROCKFORD POWERTRAIN INC DIV POWERTRAIN ROCKFORD, INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 1020 OVERALL
hole_diameter0.391 INCHES NOMINAL IN
outside_diameter0.563 INCHES MINIMUM AND 0.568 INCHES MAXIMUM IN
special_featuresBOTH TABS PARALLEL WITH KEY BENT UPWARD 90 DEGREES
style_designatorKEY
material_thickness0.062 INCHES NOMINAL IN
external_prebent_key_width0.375 INCHES NOMINAL IN
external_prebent_key_length0.156 INCHES NOMINAL IN
overall_distance_including_keys0.780 INCHES NOMINAL IN
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
distance_from_centerline_to_inside_of_prebent_key0.469 INCHES NOMINAL IN
NSN5310-00-550-5010
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 204703 · 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
•
STYLE DESIGNATOR: KEY
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL COMP 1020 OVERALL
•
MATERIAL THICKNESS: 0.062 INCHES NOMINAL IN
•
EXTERNAL PREBENT KEY WIDTH: 0.375 INCHES NOMINAL IN
•
EXTERNAL PREBENT KEY LENGTH: 0.156 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 0.563 INCHES MINIMUM AND 0.568 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORKEY
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1020 OVERALL
MATERIAL THICKNESS0.062 INCHES NOMINAL IN
EXTERNAL PREBENT KEY WIDTH0.375 INCHES NOMINAL IN
EXTERNAL PREBENT KEY LENGTH0.156 INCHES NOMINAL IN
SPECIAL FEATURESBOTH TABS PARALLEL WITH KEY BENT UPWARD 90 DEGREES
OUTSIDE DIAMETER0.563 INCHES MINIMUM AND 0.568 INCHES MAXIMUM IN
OVERALL DISTANCE INCLUDING KEYS0.780 INCHES NOMINAL IN
HOLE DIAMETER0.391 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
2-04703Interchangeable
interchangeable cross-reference
interchangeable
2-4703Interchangeable
interchangeable cross-reference
interchangeable
601575Interchangeable
interchangeable cross-reference
interchangeable
690281 ITEM 5Interchangeable
interchangeable cross-reference
interchangeable
2.04703Interchangeable
Same NIIN cross-reference
interchangeable
CL-5211Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 204703?
204703 is a PARTS KIT,BUTTON,SW.
What parts can replace 204703?
There are 6 known substitutes for 204703: 2-04703, 2-4703, 601575 and 3 more. Substitute compatibility should be verified for your specific system.
Is 204703 still available?
204703 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