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Technical Data Sheet
5214930 ✓ 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,FLAT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, thickness: 0.016 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN, hole_diameter: 0.443 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN, hardness_rating: 30.0 ROCKWELL B MINIMUM AND 50.0 ROCKWELL B MAXIMUM, overall_diameter: 0.672 INCHES MINIMUM AND 0.703 INCHES MAXIMUM IN, peripheral_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-359-0458, 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
5214930
NSN: 5310-00-359-0458
FSC: 5310
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
thickness0.016 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN
hole_diameter0.443 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
hardness_rating30.0 ROCKWELL B MINIMUM AND 50.0 ROCKWELL B MAXIMUM
overall_diameter0.672 INCHES MINIMUM AND 0.703 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationAQQ-C-576 ASSN STD 1ST MATERIAL RESPONSE OVERALL
NSN5310-00-359-0458
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5214930 · 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
CENTER HOLE SHAPE STYLE: ROUND
HARDNESS RATING: 30.0 ROCKWELL B MINIMUM AND 50.0 ROCKWELL B MAXIMUM
MATERIAL: COPPER ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: AQQ-C-576 ASSN STD 1ST MATERIAL RESPONSE OVERALL
OVERALL DIAMETER: 0.672 INCHES MINIMUM AND 0.703 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLE: ROUND
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
HOLE DIAMETER: 0.443 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE SHAPE STYLEROUND
HARDNESS RATING30.0 ROCKWELL B MINIMUM AND 50.0 ROCKWELL B MAXIMUM
MATERIALCOPPER ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAQQ-C-576 ASSN STD 1ST MATERIAL RESPONSE OVERALL
OVERALL DIAMETER0.672 INCHES MINIMUM AND 0.703 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.443 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
THICKNESS0.016 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
35308030Interchangeable
interchangeable cross-reference
interchangeable
1243Interchangeable
interchangeable cross-reference
interchangeable
PF28Interchangeable
interchangeable cross-reference
interchangeable
12195Interchangeable
interchangeable cross-reference
interchangeable
905465-1Interchangeable
interchangeable cross-reference
interchangeable
A15126Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5214930?
5214930 is a WASHER,FLAT.
What parts can replace 5214930?
There are 29 known substitutes for 5214930: 35308030, 1243, PF28 and 26 more. Substitute compatibility should be verified for your specific system.
Is 5214930 still available?
5214930 is currently cancelled.
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