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612411 — Technical Data Sheet

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— · 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: STEEL OR STEEL COMP 1212 OR STEEL COMP 8620 OR STEEL COMP 1117 OVERALL, thickness: 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN, hole_diameter: 0.218 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN, overall_diameter: 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-274-9923, 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
612411
NSN: 5310-00-274-9923
FSC: 5310
CAGE: 99167 — HAMILTON SUNDSTRAND CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OR STEEL COMP 1212 OR STEEL COMP 8620 OR STEEL COMP 1117 OVERALL
thickness0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
hole_diameter0.218 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN
overall_diameter0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-274-9923
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 612411 · 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: 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
HOLE DIAMETER: 0.218 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN
•
MATERIAL: STEEL OR STEEL COMP 1212 OR STEEL COMP 8620 OR STEEL COMP 1117 OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-16782 MIL SPEC 1ST MATERIAL RESPONSE OR AMS 5062 ASSN STD 1ST MATERIAL RESPONSE AND AMS 5010 ASSN STD 2ND MATERIAL RESPONSE AND AMS 6274 ASSN STD 3RD MATERIAL RESPONSE AND AMS 5022 ASSN STD 4TH MATERIAL RESPONSE OVERALL
•
OVERALL DIAMETER: 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
THICKNESS0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.218 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN
MATERIALSTEEL OR STEEL COMP 1212 OR STEEL COMP 8620 OR STEEL COMP 1117 OVERALL
CENTER HOLE SHAPE STYLEROUND
PERIPHERAL SHAPE STYLEROUND
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-16782 MIL SPEC 1ST MATERIAL RESPONSE OR AMS 5062 ASSN STD 1ST MATERIAL RESPONSE AND AMS 5010 ASSN STD 2ND MATERIAL RESPONSE AND AMS 6274 ASSN STD 3RD MATERIAL RESPONSE AND AMS 5022 ASSN STD 4TH MATERIAL RESPONSE OVERALL
OVERALL DIAMETER0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
151241Interchangeable
interchangeable cross-reference
interchangeable
RN70D3402FInterchangeable
interchangeable cross-reference
interchangeable
RNC70K3402FSInterchangeable
interchangeable cross-reference
interchangeable
MILR55182-6Interchangeable
interchangeable cross-reference
interchangeable
SM-D-249088Interchangeable
interchangeable cross-reference
interchangeable
124-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 612411?
612411 is a WASHER,FLAT.
What parts can replace 612411?
There are 10 known substitutes for 612411: 151241, RN70D3402F, RNC70K3402FS and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 612411?
612411 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-274-9923. This indicates validated use in U.S. government and defense supply chains.
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Last verified: September 2026