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PartsTable / COMPONENT / 4413A
4413A ✓ 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 BAR,RIFLE DRIFTER D is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 2330 OVERALL, thickness: 0.1875 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM IN, key_height: 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN, circle_diameter: 0.615 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN, hardness_rating: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL, style_designator: ROUND BOTTOM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-043-1787, 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
4413A
NSN: 5315-00-043-1787
FSC: 5315
CAGE: 28265 — HERCULES ENGINE CO INC (USA)
SPECIFICATIONS
materialSTEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 2330 OVERALL
thickness0.1875 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM IN
key_height0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
circle_diameter0.615 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
hardness_rating40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
style_designatorROUND BOTTOM
starting_edge_shapeROUND
key_size_designationWOODRUFF 61
starting_edge_radius0.010 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN
material_document_and_classificationQQ-S-624 FED SPEC ALL MATERIAL RESPONSES OR 66 FED STD ALL MATERIAL RESPONSES OVERALL
NSN5315-00-043-1787
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4413A · 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
•
CIRCLE DIAMETER: 0.615 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
•
HARDNESS RATING: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
•
STARTING EDGE RADIUS: 0.010 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN
•
KEY HEIGHT: 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
•
THICKNESS: 0.1875 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM IN
•
STARTING EDGE SHAPE: ROUND
•
KEY SIZE DESIGNATION: WOODRUFF 61
•
STYLE DESIGNATOR: ROUND BOTTOM
TECHNICAL CHARACTERISTICS (FLIS)
CIRCLE DIAMETER0.615 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
HARDNESS RATING40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
STARTING EDGE RADIUS0.010 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN
KEY HEIGHT0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
THICKNESS0.1875 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM IN
STARTING EDGE SHAPEROUND
KEY SIZE DESIGNATIONWOODRUFF 61
STYLE DESIGNATORROUND BOTTOM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-624 FED SPEC ALL MATERIAL RESPONSES OR 66 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 2330 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
M2022HInterchangeable
interchangeable cross-reference
interchangeable
218217Interchangeable
interchangeable cross-reference
interchangeable
2182-4AInterchangeable
interchangeable cross-reference
interchangeable
312585Interchangeable
interchangeable cross-reference
interchangeable
97-180-8Interchangeable
interchangeable cross-reference
interchangeable
8392987Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4413A?
4413A is a BAR,RIFLE DRIFTER D.
What parts can replace 4413A?
There are 18 known substitutes for 4413A: M2022H, 218217, 2182-4A and 15 more. Substitute compatibility should be verified for your specific system.
Is 4413A still available?
4413A 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